DE102008035383A1 - Conveyor drum of the tobacco processing industry - Google Patents

Abstract

The invention relates to a conveyor drum (10) of the tobacco-processing industry with receptacles (16, 18, 52, 54) for, in particular rod-shaped, articles (20) of the tobacco-processing industry. The conveyor drum according to the invention is characterized in that two different types of receptacles (16, 18, 52, 54) are provided, each type of receptacle (16, 18, 52, 54) being attached to at least one predetermined geometric parameter, in particular diameter, the article (20) conveyed or to be conveyed on the conveyor drum (10) is adapted so that two different articles, each with different geometric parameters, can be conveyed on the conveyor drum (10). Furthermore, the invention relates to a machine of the tobacco processing industry.

Description

The The invention relates to a conveyor drum the tobacco processing industry with footage for, in particular rod-shaped, Article of the tobacco processing industry as well as a machine of the Tobacco processing industry, especially filter attachment machine.

In Machines of the tobacco processing industry, in particular filter attachment machines, become conveyor drums used to cigarettes, filter pieces or their components to transport. By the term "components" of the Cigarettes and filter rods Be within the meaning of the invention, sections of paper and the like areal and / or sheetlike Material understood, z. B. sections and / or webs of cigarette paper, Filter paper or tipping paper for joining tobacco pieces with Filter plugs.

The Promote the aforementioned objects while the manufacture of cigarettes, filters and filter cigarettes in modern production machines of the tobacco processing industry generally by means of conveyor drums performed, whose lateral surface to promote of rod-shaped objects (cigarettes, filter rods or filter plugs, filter cigarettes) with grooves for receiving the objects provided or for conveying of leaf-shaped and / or sheet-shaped Objects (covering paper sections and / or webs) is substantially smooth.

During the advancement become these items the tobacco processing industry of suction air on the conveyor drums held, which abuts on corresponding channels, usually holes. These channels are generally arranged in rows whose lengths the Dimensions of the objects to be transported transversely to the transport direction correspond.

In Filter attachment machines are rod-shaped articles on the conveyor drums, such as B. tobacco sticks or filter plugs or filter rods, conveyed transaxially in receiving troughs of the conveyor drum. in this connection are the receiving wells at predetermined pitches on the peripheral surface the conveyor drum arranged.

Under Pitch is understood to mean the transverse axial distance of the receiving wells. The distance is thereby from the trough center to the following Trough center of the smoking article groups on the surface transporting trough conveyor measured. The pitch of a drum conveyor is the transverse axial distance or the length of the arc between (adjacent) trough centers the circular line on which the trough centers of the troughs are arranged are. In a linear trough conveyor the pitch corresponds to the linear distance in the transverse axial direction between the well centers or axes.

outgoing from this prior art, the object of the present Invention in a machine of the tobacco processing industry, For example, a filter attachment, a format change easy way to enable the design effort as possible should be kept low and also the conveying organs quickly adapted to different formats.

Is solved this task by a conveyor drum the tobacco processing industry with footage for, in particular rod-shaped, Article of the tobacco processing industry, which is further developed is that two different types of shots are provided wherein each type of recordings to at least one predetermined geometric Parameters, in particular diameter, on the conveyor drum funded or to be promoted Article is adjusted so that on the conveyor drum two different Articles or article formats of the same genus, each with different geometric Parameters eligible are.

The Invention is based on the idea that on a Filteransetzmaschine processed or manufactured two different cigarette formats be, with the cigarettes of different formats themselves differ in the diameter of the cigarettes. For example Cigarette formats with a diameter of, for example, 7.9 and 5.4 mm made on the same filter attachment machine. Preferably are cigarette formats with a first diameter of 4.0 to 6.5 mm, in particular preferably 5.0 to 6.1 mm, and a second Diameter of 6.5 to 8.5 mm, in particular 7.3 to 8.3 mm, on the same filter attachment machine made.

There in this case, the different rod-shaped smoking article components the cigarettes z. B. differ in terms of diameter or length, is it for the production of different cigarette formats necessary, that the conveyor drum appropriate, adapted to the rod-shaped articles to be processed, format-dependent Has receiving troughs. Because of that on a conveyor drum for each adapted to the filter attachment to be processed cigarette format Receiving troughs is a quick format change to perform on the filter attachment machine in a simple manner.

Here are the recordings or recording troughs in their diameter or in their geometry to the different diameters of the processed and to be promoted rod-shaped article of the tobacco processing industry of the same genus on the conveyor drum according to complementary shape adapted. In particular, the recordings of a type or receiving troughs are each adapted to the diameter of the various formats, so that one type of recording is provided for each format.

Furthermore be on the conveyor drum the rod-shaped Article cross-axial on the rotating driven conveyor drum promoted. In the context of the invention under a conveyor drum and conveyor belts or understood the same, which is a virtually endless circulating conveyor belt have and with corresponding receptacles for rod-shaped articles of the tobacco processing Industry are trained. By having a conveyor drum with two different ones Shooting species or Muldengattungen is provided, after manufacture a cigarette format by a few simple steps of the operating staff the filter attachment machine rebuilt to the new cigarette format or adapted.

Furthermore is provided in an embodiment that between two shots a first type at least one receptacle of a second type arranged is. In this case, for example, on a conveyor drum or on the peripheral surface of the conveyor drum two types of recording alternately one behind the other transaxially arranged. Preferably, in this case, the images of different types arranged alternately.

Furthermore an embodiment is characterized in that in addition to a queraxial succession arranged series of recordings of a first kind a queraxial successively arranged series of recordings of a second kind is arranged. This makes it possible, for example, that on a conveyor drum on the peripheral surface two separate rows with recordings of a kind or receiving troughs for the rod-shaped article are formed, wherein the recordings of each row from each other with regard to their geometry, z. B. curvature differ. For example take a series of shots rod-shaped articles, eg. Cigarettes, Filter plug or the like, with a larger diameter and transport these while in the other, adjacent row the recordings (the second kind) smaller rod-shaped Pick up items and transport them during rotation of the conveyor drum. The images of each row are in longitudinal axial alignment next to each other and in transverse axial direction or conveying direction parallel to each other arranged.

Farther characterized the conveyor drum characterized from that the conveyor drum is formed such that acted upon in a negative pressure Förderbereich some kind of recordings is or will be subjected to negative pressure and the second type of recordings are not subjected to negative pressure is or will. As a result, only the recordings of a kind applied negative pressure applied to the production of filter cigarettes are actively operated on a filter attachment machine. In the other recordings, the negative pressure is corresponding turned off, so these recordings of the other kind are not activated are.

Farther stands the conveyor drum in one embodiment characterized in that the negative pressure s.den recordings of a kind Actuation of one, in particular common, switching device switched on or off is, in particular, the negative pressure on the recordings of the second Kind by the operation the, preferably common, switching device, preferably alternately with the recordings of the first kind, can be switched off or switched on.

Especially is in a conveyor drum according to the invention provided that the switching device with one or more, preferably rotatable or displaceable, switching channels formed in the drum body is. Here, the movable switching channels z. B. with longitudinally displaceable Sliders provided.

Around the pollution with applied vacuum at the suction holes inside the conveyor drum is down as well provided that covers for the unused and not pressurized or are provided to be acted recordings of a kind, in particular the covers are placed on or in the receptacles or are. As a result, the ineffective recordings are accordingly locked.

Furthermore will be in an alternative solution at a conveyor drum the tobacco processing industry with shots for, in particular rod-shaped, Article of the tobacco processing industry, suggested that a first type of recordings is provided on the conveyor drum, wherein the first type of recordings by means of actuation of an adjusting device is replaceable or replaced by a second type of recording, wherein each type of recording is based on a predetermined geometric parameter, preferably diameter, funded on the conveyor drum or to be promoted Article is customized.

Here, the invention is based on the idea that using the conveyor drum the Recordings of a first type are replaced or exchanged by the recordings of a second type, so that only one predetermined format or a predetermined type of rod-shaped articles, each with different geometric parameters, such as. As length or diameter, in particular different diameters, are promoted or conveyed, while the other articles for the second format on the conveyor drum are not funded or are.

To is further provided that on a rotary body two types of shots for the Articles of the tobacco processing industry are formed, taking in a first position of the rotary body on the conveyor drum a first kind of shooting for the rod-shaped Article is activated to a corresponding rod-shaped article and, after or by operation or rotation of the rotary body the first type of recording brought into a second, passive position is or will be and a second type of recording for rod-shaped articles in a corresponding Position is activated or will be to appropriate rod-shaped article take.

Farther is in one embodiment preferred that on the rotary body on its outside two different types of recordings are provided, the different shots formed opposite each other on the rotary body are and connected to each other by means of a bore in the rotating body are, in particular, the rotary body in an outer fit the conveyor drum, in particular a drum body, is or is introduced.

In an alternative to the rotary body with the different types of shots is provided that conveyor segments be exchanged with different types of recordings. In a format change while the conveyor segments with recordings of a kind against the conveyor segments exchanged with recordings of a second kind on the conveyor drum. The Attachment of the conveyor segments can with the main body or drum body by screws or by quick fasteners, such. B. Velcro or like, done.

Besides that is it according to one another solution the task or in a development preferred that in recordings a first type each adapter are used or are, so that recordings of the second kind are formed. This will be adapters or mold inserts or the like introduced into the recordings of the first kind, so that through the mold inserts arranged therein depressions or recordings of second type are formed. This is also a simple one Possibility, a format change on a conveyor drum to run in a machine of the tobacco processing industry.

For this is further provided that the adapters or mold inserts in Arrangement on the conveyor drum on the inside facing outside to the curvature the recordings of the first type are fitted and the adapters on the outward pointing outside have or form a receptacle of the second type.

advantageously, has the conveyor drum of Tobacco processing industry is a cylindrical or conical Shape up. For example, a tapered table drum can also formed with different types of shots for different formats be.

In addition, will solved the task by a machine of the tobacco processing industry, in particular Filter attachment machine, with at least one described above Embodiment of a Conveyor drum. To avoid repetition is based on the above statements expressly directed.

The Invention will be described below without limiting the general inventive concept of exemplary embodiments with reference to the drawings, with respect to all not closer in the text explained Details of the invention expressly is referred to the drawings. Show it:

1 tabulaturschematisch a cross section through a conveyor drum of the tobacco processing industry in the neck;

2 tabulaturschematisch a cross section through another conveyor drum of the tobacco processing industry in the neck and

3 Tabulaturschematisch another embodiment of a conveyor drum of a partial cross-sectional view.

In The following figures are each the same or similar elements or corresponding parts provided with the same reference numerals, so that a corresponding renewed idea is ignored.

1 shows a cross section of a conveyor drum 10 in the clipping. The conveyor drum 10 has inside a fixed control body 12 on top of that a rotatable, outer drum body 14 is driven in rotation.

The drum body 14 has on its outside Muldenaufnahmen 16 . 18 on, alternately one behind the other, based on the conveying direction, are arranged. With the reference numerals 16 receiving troughs are referred to, which are suitable rod-shaped articles, such. As tobacco sticks or filter plug or filter rods with larger diameters, record. The smaller receptacles 18 are designed to accommodate rod-shaped articles of smaller diameters. Here are the receiving troughs 16 for receiving rod-shaped articles with larger diameters and the smaller receiving troughs 18 for receiving smaller rod-shaped articles with smaller diameters, a series of cross-axially and alternately arranged one behind the other receiving cavities.

At the in 1 illustrated embodiment are for transport in the larger receiving troughs 16 corresponding rod-shaped article 20 arranged. The rod-shaped article 20 may be tobacco sticks, filter rods or sticks or finished cigarettes.

To the rod-shaped article 20 in the recordings 16 to hold, is a negative pressure inside the conveyor drum 10 formed, wherein the application of the negative pressure and the effectiveness of the negative pressure on the recordings 16 by means of the control body 12 is switched.

To the holding vacuum on an unnecessary trough or the unused shots 18 ineffective, are in the interior of the outer drum body 14 rotary vane 22 in the to the receiving troughs 16 . 18 leading suction holes 24 arranged.

At the in 1 illustrated embodiment, the rotary valve 22 in passing position to the larger receiving troughs 16 while the slider 22 in the suction hole 24 to the smaller receiving trough 18 in locked position. As a result, the holding vacuum applied in the interior is at the or the receiving troughs 18 disabled.

A further possibility of deactivating a hold vacuum is additionally also in accordance with a further embodiment 1 shown schematically. This will be when not in use the smaller receiving troughs 18 closure body 26 put on the hollows as a kind of cover, leaving the suction hole 24 is sealed to the drum interior.

2 shows schematically in cross section a further embodiment of a conveyor drum 10 , wherein the outer drum body 14 from two nested ring cylinders 28 . 30 consists. The inner ring cylinder 28 has outwardly directed suction holes 32 on, the corresponding position of the receiving troughs 16 . 18 with the suction holes 34 . 36 the receiving troughs 16 . 18 interact. Should by means of the conveyor drum 10 After the manufacture of cigarettes with a larger diameter Ziga save to be made with a smaller diameter and a different format, so are the ring cylinders 28 . 30 detached from each other and moved relative to each other, so that then the inner suction holes 34 of the cylinder body 28 with the suction holes 36 the smaller receiving trough 18 interact.

3 shows a further embodiment of a conveyor drum 10 , with the different sized rod-shaped article 20 can be transported. Here, the conveyor drum has 10 in the embodiment according to 3 over an outer drum body 44 , with inward suction holes 46 , In the outer area of the drum body 44 are at the bottom of the suction holes 46 in a partially circular fit 48 rotating body 50 arranges.

The rotary bodies 50 are with two differently sized receptacles 52 . 54 designed so that depending on the position of the rotating body 50 the receiving trough 54 to the outside or the smaller receiving trough 52 facing outward. Between the receiving troughs 52 and 54 of the rotary body 50 is inside the rotating body 50 a hole 56 formed so that when applying a holding vacuum, the holding vacuum on the outer receiving trough 54 becomes effective while transporting an item 20 the article in the receiving trough 54 to keep. Preferably, in a format change on a conveyor drum more or all rotary body 52 turned so that the respective other type of recording points outward.

10

conveyor drum

12

control body

14

drum body

16

receiving trough

18

receiving trough

20

rod-shaped article

22

rotary vane

24

suction bore

26

closure body

28

ring cylinder

30

ring cylinder

32

suction bore

34

suction bore

36

suction bore

44

drum body

46

suction bore

48

fit

50

rotating body

52

receiving trough

54

receiving trough

56

suction bore

Claims (14)

Conveyor drum ( 10 ) of the tobacco-processing industry with recordings ( 16 . 18 ; 52 . 54 ) for, in particular rod-shaped, articles ( 20 ) of the tobacco-processing industry, characterized in that two different types of recordings ( 16 . 18 ; 52 . 54 ), each type of recording ( 16 . 18 ; 52 . 54 ) at least one predetermined geometric parameter, in particular diameter, on the conveyor drum ( 10 ) (article) ( 20 ), so that on the conveyor drum ( 10 ) two different articles each with different geometric parameters are eligible. Conveyor drum ( 10 ) according to claim 1, characterized in that between two recordings ( 18 ) a first type at least one receptacle ( 16 ) of a second type is arranged. Conveyor drum ( 10 ) according to claim 1 or 2, characterized in that in addition to a transverse axial succession arranged row of recordings ( 18 ) a first type a transversely axially successively arranged series of recordings ( 16 ) of a second type is arranged. Conveyor drum ( 10 ) according to one of claims 1 to 3, characterized in that the conveyor drum ( 10 ) is designed such that in a pressurized delivery area a kind of recordings ( 18 ) is or is subjected to negative pressure and the second type of recordings ( 16 ) is not subjected to negative pressure or is. Conveyor drum ( 10 ) according to claim 4, characterized in that the negative pressure at the receptacles ( 18 ) of a kind by operation of a, in particular common, switching device ( 22 ) can be switched or switched off, wherein in particular the negative pressure at the recordings ( 16 ) of the second type by the operation of the, preferably common, switching device ( 22 ), preferably alternating with the recordings ( 18 ) of the first kind, can be switched off or switched on. Conveyor drum ( 10 ) according to claim 5, characterized in that the switching device ( 22 ) with one or more, preferably rotatable or displaceable, switching channels in the drum body ( 14 ) is trained. Conveyor drum ( 10 ) according to claim 4 or 5, characterized in that covers ( 26 ) for the recordings that are not subjected to negative pressure or to be loaded ( 16 ) of a type, in particular the covers ( 26 ) on or in the recordings ( 16 ) are arranged or are. Conveyor drum ( 10 ) of the tobacco-processing industry with recordings ( 16 . 18 ; 52 . 54 ) for, in particular rod-shaped, articles ( 20 ) of the tobacco-processing industry, characterized in that a first type of recordings ( 52 ) on the conveyor drum ( 10 ), the first type of recording ( 52 ) by actuation of an adjusting device ( 50 ) by a second type of recordings ( 54 ) is replaceable or replaced, each type of recording ( 52 . 54 ) to a predetermined geometric parameter, preferably diameter, on the conveyor drum ( 10 ) (article) ( 20 ) is adjusted. Conveyor drum ( 10 ) according to claim 8, characterized in that on a rotary body ( 50 ) two types of recordings ( 52 . 54 ) for the articles ( 20 ) of the tobacco processing industry are formed, wherein in a first position of the rotary body ( 50 ) on the conveyor drum ( 10 ) a first kind of recordings ( 52 ) for the rod-shaped articles ( 20 ) is activated to receive a corresponding rod-shaped article, and after or by rotation of the rotary body ( 50 ) the first type of recording ( 52 ) is or is placed in a second passive position and a second type of recording ( 54 ) for rod-shaped articles ( 20 ) is or is activated in a corresponding position. Conveyor drum ( 10 ) according to claim 8 or 9, characterized in that on the rotary body ( 50 ) on its outside two different types of recordings ( 52 . 54 ), the different images ( 52 . 54 ) Opposite each other on the rotary body ( 50 ) are formed and by means of a bore ( 56 ) in the rotary body ( 50 ), wherein in particular the rotary body ( 50 ) in an outer fit ( 48 ) of the conveyor drum ( 10 ), in particular a drum body ( 14 ), is introduced or will. Conveyor drum ( 10 ) according to the preamble of claim 1 or any one of claims 1 to 4 or 8, characterized in that in recordings ( 16 . 18 ; 52 . 54 ) of a first type each adapter are or are used, so that recordings ( 16 . 18 ; 52 . 54 ) of the second kind are or are. Conveyor drum ( 10 ) according to claim 11, characterized in that the adapter when arranged on the conveyor drum ( 10 ) are adapted to the curvature of the recordings of the first kind on the inward facing outside and the Adap ter on the outwardly facing outside have a receptacle of the second type or form. Conveyor drum ( 10 ) according to one of claims 1 to 12, characterized in that the conveyor drum ( 10 ) has a cylindrical or conical shape. Machine of the tobacco processing industry, in particular filter attachment machine, with at least one conveyor drum ( 10 ) according to one of claims 1 to 13.