DE102006042238A1 - Device for conveying rod-shaped articles - Google Patents

Abstract

The device for conveying stick-form articles of the tobacco processing industry has an adjusting unit, comprising drives (41-44), for a longitudinal guiding device for at least one head end of the stick-form articles. Two relatively movable end face longitudinal guide rails (30,31), which are adjustable in their relative spacing, constitute a transverse transporting unit. The guide rails are provided with two end position stops (35,45:36,46). The guide rails can be adjusted in the opposite directions or symmetrically to each other. An independent claim is included for a machine of the tobacco processing industry or conveying installation of the tobacco processing industry, with a device for conveying stick-form articles, especially filters.

Description

The The invention relates to a device for conveying rod-shaped articles the tobacco processing industry, in particular filter rods, with a the articles in longitudinal axial Direction promoting delivery line, a transverse transport device with means for Queraxialen conveying the Article and one the support line with the transverse conveyor connecting diverter, which the longitudinal axis Movement of articles in the region of a deflection zone in a transverse axial Conveyed direction, wherein the transverse transport device at least one end-side longitudinal guide device for at least one Head of the rod-shaped Article has. About that In addition, the invention relates to a machine of tobacco processing Industry or a conveyor system the tobacco processing industry.

devices This type serve rod-shaped Articles of the tobacco processing industry, in particular filter rods, from one associated with a Filterherstellmaschine or a filter supply Transmitting device with high delivery rate over wide Distances to a receiver, for example, a stock or a further processing machine to promote.

In the pneumatic conveying line The articles are produced at high speed under the effect of Compressed air longitudinal axial promoted. Since the articles during their further processing but are moved transversely, is a Deflection of the conveying direction from the longitudinal axial in the transverse axial direction of movement required. This serves the Receiving station, the successive the articles covering funds has, which equalize the flow of articles in a predetermined manner. It will a gap is formed between successive articles, whereby guaranteed is that the articles without mutual interference safe from the longitudinal axial can be deflected in the transverse axial direction of movement. is this article distance for some reasons too small, may interfere with cause the deflection, which lead to a standstill of the system and extensive maintenance work with the corresponding loss of production may require the connected machines.

By EP-A-0 261 271 A1 already the above-mentioned measures in the area of the deflection zone become known, with the help of a particularly critical area of the receiving station is monitored, so that disturbances can be detected very quickly before they cause more damage, to remedy a longer downtime would be required.

Furthermore, by the GB-A-2 070 545 as well as through the DE 34 17 483 A1 On the receiving end of the pneumatic conveyor in response to a signal obtained by proximity sensors interference signal operated brake means for interrupting the article supply and a sensor arrangement for distance monitoring successive articles become known.

Further describes EP-B-0 699 396 a generic device or device for conveying rod-shaped articles of the tobacco processing industry, in particular filter rods, with a pneumatic conveyor conveying the articles in the longitudinal direction, a transverse conveyor with means for Queraxialen conveying the article and the pneumatic conveyor with the transverse conveyor connecting receiving station which comprises the longitudinal axial movement of the articles in a predetermined manner influencing longitudinal conveying means and a deflection zone with means for deflecting the longitudinal axial movement of the articles in the transverse axial conveying direction of the transverse conveyor, wherein the deflection zone with monitoring means connected to monitoring means for detecting disturbances in the article movement in the deflection zone and are assigned for outputting corresponding fault signals. The disclosure of this patent is expressly incorporated in the disclosure of the present application.

Of the present invention is based on the object, another To specify the device of the type described in the introduction, it being possible to Quick and easy to adapt to different filter rod lengths.

Is solved this object by a device for conveying rod-shaped articles the tobacco processing industry, in particular filter rods, with one the articles in longitudinal axial Promoting direction Tube, a transverse transport device with means for Queraxialen conveying the Article and one the support line with the transverse conveyor connecting diverter, which the longitudinal axis Movement of articles in the region of a deflection zone in a transverse axial Conveyed direction, wherein the transverse transport device at least one end-side longitudinal guide device for at least a head end of the rod-shaped Article has, which is further developed by an adjustment for the Longitudinal guide device for at least a head end of the rod-shaped Article is provided.

In particular, the longitudinal guide means of the transverse conveyor on both sides of the head ends of the cross-axially promoted rod-shaped articles each have an adjusting device, so that between the two Längsführungseinrich a single-layer article flow is promoted. However, it is also conceivable that only one adjustment device is provided on the transverse transport device, by means of which the longitudinal guide device is automatically adjusted during a format change, such as a change in the rod length of the rod-shaped articles, and adjusted or adjusted in their distance from the opposite longitudinal guide device.

By the adjusting device according to the invention for the Longitudinal guide device is a simple and fast and especially automatic setting the distances from the two longitudinal guide devices reached at the transverse conveyor. It is not anymore required that operator, for example, at a Format change, the distances between the longitudinal guide devices in a manual way. Overall, the adjustment times thereby shortened.

In addition, will due to the automatic distance adjustment, a more accurate position Distance between the two Längsführungsein directions achieved. In the longitudinal guide device For example, the deflected longitudinally axially conveyed article from a conveyor line by means of the transverse conveyor transaxially through further conveying elements, e.g. Rollers and / or belts, transversely further promoted, so that formed in the transverse transport device single-layer Article flow is promoted for example to a magazine or the like. A known device for conveying the rod-shaped Article with a longitudinal axial promotional support line and a corresponding cross-conveyor is, for example the filter receiving station on a cigarette rod machine, thereby continuously filter rods fed to a filter rod magazine of the filter attachment machine.

To is further provided that the transverse transport device two relatively mutually movable and spaced apart adjustable, frontal Longitudinal guide devices for the both head ends of the rod-shaped Article has.

Around a defined leadership of the single-ply article stream in the transverse transport device too reach, it is further provided that for the or each longitudinal guide device two end position stops are provided, between which a kind of lifting movement of the longitudinal guide device transverse to the conveying direction, in particular perpendicular to the conveying direction, the article stream possible is done and an adjustment becomes.

In a further embodiment It is proposed that the longitudinal guide devices in opposite directions or symmetrical to each other by means of one or by means of one Adjustment be adjusted or are adjustable.

Cheap is it also, if as adjusting at least one drive, in particular a pneumatic drive (pneumatic cylinder) or servo drives, is provided, by means of the at least one longitudinal guide device transversely, in particular vertical, to the conveying direction the article is movable or is moved or by means of the or a predetermined distance of the longitudinal guide means is adjustable to each other or is set. For example can over Position-controlled servo drives stepless adjustment of the distances from two longitudinal guide devices be achieved.

Furthermore it is beneficial if the length the lifting movement of one or both longitudinal guide devices transverse to conveying direction the article is variable and positionally adjustable.

Especially is at least one transverse to the conveying direction the queraxial promoted Article trained linear guide for the or both longitudinal guide devices provided, whereby a defined linear displacement of the longitudinal guide means is achieved at the transverse transport device.

Preferably are the or both longitudinal guide devices the transverse-axial transport device as guide rails or guide surfaces along the conveying direction the queraxial promoted Article trained.

Preferably is in the region of the deflection at the end of the longitudinal axial conveying conveyor line, the deflection designed as a Umlenkkeil. In addition, it continues advantageous if the deflection longitudinally displaceable, based on the longitudinal axial funded Article is formed.

A further simplification of the automatic setting, for example in a format change at a filter receiving station is achieved when at least one adjusting drive for longitudinal displacement of the deflecting device is provided. For example, an adjustment by a positionally accurate Servomotor or realized by a pneumatic cylinder.

Especially is it cheap if the length of the longitudinal displacement the deflection is adjustable or is set.

The device is further characterized by the fact that the length of the longitudinal displacement of the deflection of the size of the stroke movement of the or both longitudinal guide devices ent speaks. As a result, adjustments to different Filterstablängen be achieved in a simple manner, without the operator must make manual adjustments to the conveyor.

Preferably is also the conveyor according to the invention on the input side of a filter rod magazine, in particular a filter rod magazine a Machine of the tobacco processing industry or in a conveyor system arranged the tobacco processing industry.

Furthermore The object of the invention is achieved by a machine of the tobacco processing industry or a conveyor system the tobacco processing industry, with a previously described Device for conveying of rod-shaped Items developed by the tobacco processing industry are solved. to Prevention of repetition is expressly referred to the above statements.

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 a top view of a conveyor according to the invention of a filter receiving station in which corresponding parts of the article guide have been omitted to make the function of the device visible;

2 a partial perspective view of a transverse transport from 1 , has been omitted in the clarification of the technical features of the invention of the characterization of subordinate features.

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.

In 1 is a plan view of a conveyor 1 of rod-shaped articles of the tobacco processing industry, in particular filter rods, according to the present invention shown schematically. Here, a receiving station receives via a guideway filter rods which arrive here in a pneumatic conveying line from a transmitting station, not shown here. The longitudinal axial movement of the filter rods is in a deflection zone 8th transferred into a transverse axial conveying movement.

For further details of the receiving station, reference is made to the document fully incorporated in the present disclosure EP-B-0 699 396 referenced, in which a double receiving station is described in detail in the embodiment. The statements with regard to the double receiving station also apply to the in 1 illustrated receiving station in a corresponding manner.

After separation of filter rods by corresponding pairs of rollers in the longitudinal axial conveying conveying line, the accelerated filter rods reach the deflection zone 8th , The conveying direction of the longitudinally axially conveyed filter rods at the receiving station 1 is indicated by arrows pointing to the left.

In the deflection zone 8th the longitudinal axial movement of the filter rods is deflected into a transverse axial movement. To this end, the conveyor line is followed by a conveyor belt section which has a longitudinal guide 17 with a whipstock 18 having. The longitudinal guide 17 is open to the transverse transport device. The from the whipstock 18 Filter rods that are deflected from their longitudinal axial movement enter the effective range of transverse conveyor roller pairs and are transversely axial into a transverse transport path 22 pressed so that they captured by (not shown here) tapes and in a schematically drawn filter rod magazine 24 be encouraged.

The transverse transport route 22 is bounded laterally by two longitudinal guide rails 30 . 31 , in the mouth area to the longitudinal guide 17 are slimmed, whereby the junction area is widespread.

Further details will be added 2 referenced, in which the transverse transport route 22 is shown in detail in a perspective view.

Laterally on the frame carrier are for each guide rail 30 . 31 two drives 41 . 42 . 43 . 44 provided so that the guide rails 30 . 31 perpendicular to the conveying direction of the single-layer article flow in the transverse transport path 22 can be moved. Here is the distance between the guide rails 30 . 31 adjusted in the region of the parallel guide surfaces following the junction area on the length of the cross-axially funded filter rods.

As drives 41 . 42 . 43 . 44 Both position-accurate servo drives and pneumatic cylinders are suitable, so that the distance between the guide rails 30 . 31 without manual intervention of the operator can be adjusted automatically.

When changing the conveyed in the conveyor line filter rods or when changing the Filterstablänge be the guide rails 31 . 31 symmetrical to the center position of the filter rods in the transverse transport path 22 adjusted and adapted to the length of the filter rods. In addition to the displacement of the guide rails 30 . 31 At the same time, the turning wedge becomes 18 shifted by the same length. This is also for the longitudinal displacement of the deflection wedge 18 a drive 19 , For example in the form of a pneumatic cylinder 19 , on the longitudinal guide 17 intended.

By activating the pneumatic cylinder 19 becomes the turning wedge 18 between the two attacks 20 . 21 moved back and forth accordingly. Here is the pneumatic cylinder 19 via corresponding fittings with the Umlenkkeil 18 connected. Through the appropriate circuit of the pneumatic cylinder 19 becomes the turning wedge 18 moved back and forth accordingly.

In addition, corresponding linear guides for the guide rails, which are perpendicular to the conveying direction in the transverse transport path 22 subsidized article are provided, whereby the guide rail 30 respectively. 31 also be adjusted linearly between attacks. This is in the middle of the transverse transport route 22 an inner annunciator 35 with appropriate stops 36 . 37 arranged by the stops 35 . 36 becomes a (first) end position of the executed linear lifting movements of the guide rails 30 . 31 educated.

The other end position is achieved when the guide rails 30 . 31 to be moved outwards, so that on the guide rails 30 . 31 vertically outwardly facing and arranged adjusting bolt 38 the outer side stops 45 . 46 touch.

1

Conveyor

8th

deflection

17

longitudinal guide

18

Umlenkkeil

19

pneumatic cylinder

20

attack

21

attack

22

Transverse transport route

24

Filter rod magazine

30

guide rail

31

guide rail

35

stop bar

36

attack

37

attack

38

adjusting pin

41

drive

42

drive

43

drive

44

drive

45

attack

46

attack

Claims (15)

Facility ( 1 ) for conveying rod-shaped articles of the tobacco processing industry, in particular filter rods, with a conveying line conveying the articles in the longitudinal direction, a transverse transport device with means for transversely conveying the articles and a deflection device connecting the conveying line with the transverse transport device, which control the longitudinal axial movement of the articles in the Area of a deflection zone ( 8th ) in a transverse axial conveying direction, wherein the transverse transport device at least one end-side longitudinal guide device ( 30 . 31 ) for at least one head end of the rod-shaped articles, characterized in that an adjusting device ( 41 . 42 . 43 . 44 ) for the longitudinal guide device ( 30 . 31 ) is provided for at least one head end of the rod-shaped article. Facility ( 1 ) according to claim 1, characterized in that the transverse transport device two relatively movable and spaced apart adjustable, frontal longitudinal guide devices ( 30 . 31 ) for the two head ends of the rod-shaped article. Device according to claim 1 or 2, characterized in that for the or each longitudinal guide device ( 30 . 31 ) two end position stops ( 35 . 45 ; 36 . 46 ) are provided. Device according to claim 2 or 3, characterized in that the longitudinal guide devices ( 30 . 31 ) are adjusted in opposite directions or symmetrically to each other or are adjustable. Device according to one of claims 1 to 4, characterized in that at least one drive ( 41 . 42 . 43 . 44 ) is provided, by means of at least one longitudinal guide device ( 30 . 31 ) is moved transversely, in particular perpendicular, to the conveying direction of the article or is moved or by means of which or a predetermined distance of the longitudinal guide devices ( 30 . 31 ) is adjustable or adjusted to each other. Device according to one of claims 1 to 5, characterized in that the length of the lifting movement of one or both longitudinal guide devices ( 30 . 31 ) is variably adjustable transversely to the conveying direction of the article. Device according to one of claims 1 to 6, characterized in that at least one formed transversely to the conveying direction of the cross-axially promoted article linear guide for the or both longitudinal guide devices ( 30 . 31 ) is provided. Device according to one of claims 1 to 7, characterized in that the or both longitudinal guide devices ( 30 . 31 ) as guide rails ( 30 . 31 ) or guide surfaces are formed. Device according to one of claims 1 to 8, characterized in that the deflection device as a deflection wedge ( 18 ) is trained. Device according to claim 9, characterized in that the deflection device ( 18 ) is formed longitudinally displaceable. Device according to claim 9 or 10, characterized in that at least one drive ( 19 ) for longitudinal displacement of the deflection device ( 18 ) is provided. Device according to claim 10 or 11, characterized that the length the longitudinal displacement is adjustable or is set. Device according to one of claims 1 to 12, characterized in that the length of the longitudinal displacement of the deflection of the size of the lifting movement of the or both longitudinal guide means ( 30 . 31 ) corresponds. Device according to one of claims 1 to 13, characterized in that the device on the input side to a filter rod magazine, in particular a filter rod magazine ( 24 ) a machine of the tobacco processing industry, or in a conveyor system of the tobacco processing industry, is arranged. Machine of the tobacco processing industry or conveyor system the tobacco processing industry with a facility according to one or more of the claims 1 to 14.