EP3482642A1 - Turning of rod-shaped articles from the tobacco processing industry - Google Patents

Abstract

The invention relates, inter alia. a device for turning rod-shaped articles (101, 102) of the tobacco-processing industry, in particular filter rods and / or cigarettes, with a turning drum (20, 22) having a truncated cone and a truncated cone shell, wherein the turning drum (20, 22) about an axis of rotation (38, 48) is rotatable or driven in rotation, wherein the truncated cone shell of the turning drum (20, 22) receiving troughs for the rod-shaped article (102) in the circumferential direction of the truncated cone shell. The device is characterized in that the receiving troughs are formed and arranged on the truncated cone shell such that the trough center longitudinal axes of the receiving troughs of the turning drum (20, 22) and the rotation axis (38, 48) of the turning drum (20, 22) do not intersect and or in the arrangement of rod-shaped articles (101, 102) in the receiving troughs of the turning drum (20, 22), the central longitudinal axes of the rod-shaped articles (101, 102) and the rotation axis (38, 48) of the turning drum (20, 22) do not intersect ,

Description

The invention relates to a device for turning rod-shaped articles of the tobacco-processing industry, in particular filter rods and / or cigarettes. Furthermore, the invention relates to an arrangement for turning rod-shaped articles of the tobacco-processing industry, in particular filter rods and / or cigarettes.

Moreover, the invention relates to a machine of the tobacco processing industry, in particular Filteransetzmaschine. Moreover, the invention relates to a method for conveying rod-shaped articles of the tobacco-processing industry, in particular filter rods and / or cigarettes.

In the prior art it is known that in devices for turning rod-shaped articles, in particular of cigarettes, a turning drum is provided, by means of which the rod-shaped articles are turned. Such devices are used for example in cigarette making machines or filter attachment machines. In a filter attachment machine are produced as rod-shaped articles filter cigarettes, wherein the articles are manufactured with double the length of use and then cut by means of a cutter into two single-length products (filter cigarettes) or article. Subsequently, the rod-shaped products or filter cigarettes are further processed with uniformly oriented filters in the filter attachment machines, wherein the subsidized in two rows filter cigarettes are turned by means of a turning device so that the filter cigarettes of a row are turned by 180 ° about a perpendicular to the longitudinal axis transverse axis. Here, the turned filter cigarettes are arranged on a conveyor drum between two non-turned filter cigarettes in a respective free receiving trough of the conveyor drum, so that after turning a number of filter cigarettes is formed.

To turn the filter cigarettes so-called taper turners are used, for the turning process, the two rows of opposite filter cigarettes must be longitudinally spread on a spreading drum before turning, then a number of filter cigarettes or rod-shaped products are transferred to the Kegelwendetrommeln on which the rod-shaped Products describe a conical path, and then subsequently to the conveyor drums, on which the non-turned rod-shaped products are conveyed, to be arranged between the non-turned filter cigarettes on the conveyor drum.

For example, in DE 34 45 945 A1 . EP 0 627 175 B1 and DE 199 20 760 A1 Devices for turning rod-shaped articles disclosed.

The object of the invention is to enable, in an arrangement for the transverse axial conveying of rod-shaped articles, a turning of rod-shaped products on a conveyor drum, wherein in particular prior to the turning operation, a spreading or a longitudinal axial spacing of articles of two rows should be dispensed with.

This object is achieved by a device for turning rod-shaped articles of the tobacco-processing industry, in particular filter rods and / or cigarettes, with a truncated cone and a truncated cone coat having turning drum, wherein the turning drum is rotatable about a rotation axis or is driven in rotation, wherein the truncated cone shell the turning drum receiving troughs for the rod-shaped article in the circumferential direction of the truncated cone, which is further developed in that a.) The receiving troughs are formed and arranged on the truncated cone shell such that the Muldenmittenlinsachsen the receiving troughs of the turning drum and the axis of rotation of the turning drum do not intersect, and / or b.) In the arrangement of rod-shaped articles in the receiving troughs of the turning drum, the central longitudinal axes of the rod-shaped articles and the axis of rotation of the turning drum do not intersect.

The invention is based on the idea that the trough center longitudinal axes of the receiving troughs are arranged and aligned on the truncated cone mantle so that the trough center longitudinal axes of the receiving troughs do not intersect with one another. In addition, the trough center longitudinal axes of the receiving troughs are arranged on the truncated cone jacket such that they do not intersect with the axis of rotation of the turning drum. As a result, the receiving troughs are arranged obliquely on the truncated cone casing between the larger base surface and the smaller top surface, so that the Muldenmittenlängsachsen the receiving troughs to the surface line, which forms the tangent to the truncated cone shell and intersects with the axis of rotation by an angle> 0 °, preferably between 10 ° to 35 °, is arranged. In contrast, in the previous Kegelwendetrommeln according to the prior art, the respective surface line is collinear or aligned parallel to the Muldenmittenlängsachsen the receiving troughs.

By using the turning drum according to the invention, it is possible that a turning process is carried out in Filteransetzmaschine is, in which case a spread or the longitudinal axial spacing of rod-shaped articles in two rows can be omitted before the turning process, since using two turning drums according to the invention, the rod-shaped article taken from a row by means of the first turning drum from a conveyor drum and then to a second Turning drum are passed, so that subsequently turned by the second turning drum, the rod-shaped article by 180 ° returned to the conveyor drum and the turned rod-shaped articles, which are funded by the first turning drum and the second turning drum, alternately arranged between the turned articles on the conveyor drum are formed, whereby a series of rod-shaped articles on the conveyor drum, which are then transferred in a single row to a subsequent conveyor drum. By the turning operation using the two turning drums according to the invention, the turned rod-shaped articles are arranged with the same orientation on the conveyor drum, so that the turned rod-shaped articles are turned by 180 °.

Furthermore, the device is characterized in that the turning drum has an angle between the axis of rotation of the turning drum and the generatrix of the truncated cone of 45 ° to 70 °, in particular from 45 ° to 60 °.

For this purpose, it is further advantageously provided in the device in an embodiment that the receiving wells are each formed by a groove on the truncated cone surface, wherein relative to the direction of rotation of the turning drum, the grooves each have a first of the base surface of the truncated cone facing widening, wherein the first broadening the respective groove protrudes, and the grooves each have a second widening facing away from the base of the truncated cone widening, wherein the second widening of the respective groove with respect to the direction of rotation of the respective groove lags.

In particular, it is preferred that a drive for rotating the turning drum is provided for the turning drum.

Furthermore, the object is achieved by an arrangement for turning rod-shaped articles of the tobacco processing industry, in particular filter rods and / or cigarettes, which is formed with a first device, as described above, and is also formed with a second device, as described above , In this way, the arrangement for turning of rod-shaped articles on two truncated cone-shaped turning drums, where the Muldenmittenlängsachsen the receiving troughs of the respective turning drum and the axes of rotation of the respective respective turning drum does not intersect and / or arrangement of rod-shaped articles in the receiving troughs of the respective turning drum, the central longitudinal axes the rod-shaped article and the axes of rotation of the respective beater does not cut. In addition, the receiving troughs are aligned on the truncated cone shell of the respective turning drum so that the central longitudinal axes of the receiving troughs do not intersect.

For this purpose, it is provided in a development of the arrangement that the axis of rotation of the turning drum of the first device and the axis of rotation of the turning drum of the second device are arranged such that they do not intersect.

Advantageously, in the arrangement, a conveyor drum for Queraxialen conveyance of rod-shaped articles, in particular filter rods and / or cigarettes, provided, wherein the conveyor drum is arranged on the first device and on the second device, wherein the conveyor drum is arranged in the circumferential direction, preferably on a cylindrical drum body, transaxially successively arranged receiving troughs a series of transversely axially successively arranged rod-shaped articles or two rows of längsaxial side by side and queraxial axially arranged rod-shaped articles upon rotation of the conveyor drum about the axis of rotation of the conveyor drum promote.

Furthermore, it is preferred in the arrangement that the axis of rotation of the conveyor drum does not intersect with one of the axes of rotation of the beater of the first device or the beater of the second device or with both axes of rotation of the beater of the first device and the beater of the second device.

By means of the arrangement according to the invention, it is possible, when conveying two rows of längsaxial side by side and queraxial successively arranged rod-shaped articles on the conveyor drum, wherein the articles of the two rows are not spaced apart, by means of the turning drum of the first device, the rod-shaped article of a series of From the turning drum of the second device, the withdrawn rod-shaped articles are turned on delivery to the conveyor drum by 180 ° and between the rod-shaped articles of remaining on the conveyor drum rod-shaped article of the second Row are arranged alternately. This makes it possible that in a drum assembly for conveying rod-shaped articles, for example a Filteransetzmaschine on a spreading or spreading drum before the transfer of the rod-shaped article to the conveyor drum of the arrangement according to the invention and thus can be dispensed with prior to the turning process.

Furthermore, the object is achieved by a machine of the tobacco processing industry, in particular filter attachment machine, with a device described above or with an arrangement described above for conveying rod-shaped articles. To avoid repetition, reference is expressly made to the above statements.

Furthermore, the object is achieved by a method for conveying rod-shaped articles of the tobacco processing industry, in particular filter rods and / or cigarettes, wherein one or two rows of transversely axially successively arranged rod-shaped articles in receiving troughs of a, in particular cylindrical, conveying drum are conveyed transversely, wherein the rod-shaped article of one row or one of the two rows be transferred from the rotating conveyor drum to a device described above for turning rod-shaped articles and are conveyed into the receiving troughs of the rotating turning drum of the first device, wherein the longitudinal center axes of the rod-shaped articles do not intersect with the axis of rotation of the turning drum of the first device, wherein then the rod-shaped article from the turning drum of the first device to a second device, as described above, passed and gefö in the receiving troughs of the rotating beater of the second device in which the longitudinal center axes of the rod-shaped articles do not intersect with the axis of rotation of the turning drum of the second device, and subsequently the rod-shaped articles from the turning drum of the second device into the receiving troughs of the conveying drum, from which the rod-shaped articles to the turning drum first device have been handed over.

Furthermore, according to a further aspect of the method, when conveying two rows of longitudinally juxtaposed and transverse axial successively arranged rod-shaped articles on the conveyor drum, the articles of one row are turned by means of the turning drum of the first device and by means of the turning drum of the second device in a turning process wherein the turned rod-shaped articles after the turning operation between rod-shaped articles of the second row, which are left on the conveyor drum and not turned, are inserted so that on the conveyor drum, the turned rod-shaped articles and the non-turned rod-shaped articles have the same orientation, and are arranged in a row queraxial successively on the conveyor drum. After formation of a Row of equally oriented rod-shaped articles on the conveyor drum, it is possible that the rod-shaped article of the formed one row of the conveyor drum to a subsequent conveyor drum, on which, for example, a test device for the rod-shaped article is placed.

In addition, it is provided in a development of the method that when promoting two juxtaposed rows of rod-shaped articles on the conveyor drum, the rod-shaped articles of the rows in the longitudinal direction not spaced apart, in particular spread, in the receiving troughs of the conveyor drum before transfer to the turning drum first device are arranged or are.

Further features of the invention will become apparent from the description of embodiments according to the invention together with the claims and the accompanying drawings. Embodiments of the invention may satisfy individual features or a combination of several features.

Fig. 1

schematisch eine Ansicht einer Trommelanordnung einer Filteransetzmaschine;

Fig. 2

schematisch ein Ablaufdiagramm gemäß der in Fig. 1 dargestellten Trommelanordnung;

Fig. 3

schematisch im Ausschnitt eine perspektivische Ansicht einer Wendetrommel und

Fig. 4a, 4b

schematisch verschiedene Ansichten einer Fördertrommel mit einer Wendeeinrichtung.

The invention will be described below without limiting the general inventive idea by means of embodiments with reference to the drawings, reference being expressly made to the drawings with respect to all in the text unspecified details of the invention. Show it:

Fig. 1

schematically a view of a drum assembly of a Filteransetzmaschine;

Fig. 2

schematically a flowchart according to the in Fig. 1 illustrated drum assembly;

Fig. 3

schematically in section a perspective view of a beater and

Fig. 4a, 4b

schematically different views of a conveyor drum with a turning device.

In the drawings, the same or similar elements and / or parts are provided with the same reference numerals, so that apart from a new idea each.

In Fig. 1 Fig. 3 is a schematic view of a drum assembly T for conveying filter cigarettes to a filter attachment machine F shown. The corresponding flow chart is in Fig. 2 shown accordingly.

The drum arrangement T has a conveyor drum 10, on which filter cigarettes 101, 102 are conveyed in two rows transversely one behind the other. After the production of double-length tobacco rod filter plug tobacco rod groups and a central section through the double-length filter plug, the filter cigarettes 101, 102 are transferred from an upstream cutting drum to the conveyor drum 10, wherein on the conveying path from the cutting drum to the conveyor drum 10th the pairs formed from the filter cigarettes 101, 102 are not spread longitudinally axially. In this case, no spreading drum or the like is provided between the production of single-length filter cigarettes 101, 102 in the conveying direction in order to carry out a longitudinal axial spreading operation between the respectively formed filter cigarette pairs 101, 102 before the turning process.

From the conveyor drum 10, the two rows with the filter cigarettes 101, 102 are subsequently transferred to a subsequent conveyor drum 12, wherein the row with the filter cigarettes 101 remains on the conveyor drum 12 in the receiving troughs (see. Fig. 2 ). The filter cigarettes 102 arranged next to the filter cigarettes 101, 102 are transferred to a first turning drum 20, wherein the filter cigarettes 102 are subsequently transferred from the first turning drum 20 to a subsequent second turning drum 22. After that will be the turned filter cigarettes 102 are arranged with the same orientation as the filter cigarettes 101 remaining on the conveyor drum 12 between the filter cigarettes 101 so that on the conveyor drum 12 after turning the filter cigarettes 102, a series of filter cigarettes 101, 102 arranged transversely axially one behind the other is provided Filter cigarettes are arranged alternately one behind the other in the corresponding receiving troughs of the conveyor drum 12. Subsequently, the single row successively arranged filter cigarettes 101,102 are transferred from the conveyor drum 12 to a subsequent conveyor drum 14. This conveyor drum 14 may be formed in one embodiment with a test device for testing the filter cigarettes 101, 102.

In Fig. 3 is schematically shown in section a perspective view of the turning drum 20. The turning drum 20 is frustoconical in design, the turning drum 20 has a truncated cone shell 30 which is formed with receptacles 32, so that in the receptacles 32, the filter cigarettes 102, which are received in the receptacles 32 accordingly. The turning drum 20 has a rotation axis 38, wherein a corresponding drive is provided for the rotation of the turning drum 20.

The receiving troughs 32 are arranged on the outside of the turning drum 20 in such a way that the trough center longitudinal axes of the receiving troughs and the axis of rotation 38 of the turning drum do not intersect. In addition, the receiving wells 32 are arranged such that in the arrangement of the filter cigarettes 102 in the receiving wells 32, the central longitudinal axes of the filter cigarettes 102 do not intersect. In Fig. 3 for a filter cigarette 102, the corresponding center longitudinal axis 105 is located.

In Fig. 4a, 4b are perspective views of the arrangement of the conveyor drum 12 with the turning drums 20, 22 arranged therein. In Fig. 4a is schematically the removal or transfer of the filter cigarettes 102 to the first turning drum 20 shown schematically, while in Fig. 4b the transfer of the turned filter cigarettes 102 to the conveyor drum 12 is shown schematically.

In both figures, the drawing of further details was omitted for reasons of better clarity and presentation. The two turning drums 20, 22 in this case have the same shape and have a cone angle greater than 90 °, i. the angle between the tangent to the surface line and the axis of rotation of the turning drum is at an angle greater than 45 °. Typically, the two turning drums 20, 22 are of identical construction.

In the context of the invention can also be provided that the two turning drums 20, 22 are also formed differently.

The turning drum 20 has the rotation axis 38, while the second turning drum 22 has a rotation axis 48. As from the two illustrations in Fig. 4a, 4b As can be seen, the turning drums 20, 22 are arranged such that their axes of rotation 38, 48 do not intersect. In addition, not the rotation axes 38, 48 intersect with the axis of rotation of the conveyor drum 12th

The cone axis 38 is arranged such that the filter cigarettes 102 after receiving from the conveyor drum 12 (see. Fig. 4a ) move away from the center of the conveyor drum 12 and a machine center and that the filter cigarettes 102 before the transfer to the conveyor drum 12 back to the center of the conveyor drum 12 (see. Fig. 4b move). In addition, the receiving troughs of the conical drum 20, 22 are provided with cutouts to allow the path of movement of the cigarettes 102 on the conical drums 20, 22.

All the above features, including the drawings alone to be taken as well as individual characteristics, in combination with others Characteristics are disclosed, are considered alone and in combination as essential to the invention. Embodiments of the invention may be accomplished by individual features or a combination of several features. In the context of the invention, features which are identified by "particular" or "preferably" are to be understood as optional features.

LIST OF REFERENCE NUMBERS

10

conveyor drum

12

conveyor drum

14

conveyor drum

20

beater

22

beater

30

Truncated cone

32

receiving trough

38

axis of rotation

48

axis of rotation

101

filter cigarette

102

filter cigarette

105

Longitudinal central axis

T

barrel assembly

F

filter attachment

Claims (12)

Apparatus for turning rod-shaped articles (101, 102) of the tobacco-processing industry, in particular filter rods and / or cigarettes, with a turning drum (20, 22) having a truncated cone and a truncated cone shell, wherein the turning drum (20, 22) rotates about an axis of rotation is driven or rotating, wherein the truncated cone shell of the turning drum (20, 22) receiving troughs for the rod-shaped article in the circumferential direction of the truncated cone, characterized in that the receiving troughs are formed and arranged on the truncated cone so that the Muldenmittenlinsachsen the receiving troughs of the turning drum (20, 22) and the rotation axis (38, 48) of the turning drum (20, 22) do not intersect and / or arrangement of rod-shaped articles (101, 102) in the receiving troughs of the turning drum (20, 22), the central longitudinal axes of the rod-shaped Article and the rotation axis (38, 48) of the turning drum (20, 22) do not cut. Apparatus according to claim 1, characterized in that the Turning drum (20, 22) has an angle between the axis of rotation (38, 48) and the generatrix of the truncated cone of 45 ° to 70 °, in particular from 45 ° to 60 °. Apparatus according to claim 1 or 2, characterized in that the receiving troughs are each formed by a groove on the truncated cone surface, wherein relative to the rotational direction of the turning drum (20, 22) the grooves each have a first of the base surface of the truncated cone facing widening, wherein the first Broadening of the respective groove leads vorse, and the grooves each have a second facing away from the base of the truncated cone broadening, wherein the second broadening of the respective groove with respect to the direction of rotation of the respective groove lags. Device according to one of claims 1 to 3, characterized in that for the turning drum (20, 22) a drive for rotating the turning drum (20, 22) is provided. Arrangement for turning rod-shaped articles (101, 102) of the tobacco-processing industry, in particular filter rods and / or cigarettes, with a first device according to one of claims 1 to 4 and with a second device according to one of claims 1 to 4. Arrangement according to claim 5, characterized in that the rotation axis (38, 48) of the turning drum (20, 22) of the first device and the rotation axis (38, 48) of the turning drum (20, 22) of the second device are arranged to each other such that they do not cut. Arrangement according to claim 5 or 6, characterized in that a conveyor drum (12) for the transverse axial conveying of rod-shaped Articles (101, 102), in particular filter rods and / or cigarettes, is provided, wherein the conveyor drum (12) is arranged on the first device and on the second device, wherein the conveyor drum (12) is arranged in the circumferential direction, preferably on a cylindrical drum body, successively arranged receiving troughs a series of transversely axially successively arranged rod-shaped articles (101, 102) or two rows of längsaxial side by side and queraxial axially successively arranged rod-shaped articles (101, 102) upon rotation of the conveyor drum (12) about the axis of rotation of the conveyor drum ( 12). Arrangement according to claim 7, characterized in that the axis of rotation of the conveyor drum (12) is not with one of the axes of rotation (38, 48) of the turning drum (20) of the first device or the turning drum (22) of the second device or not with both axes of rotation (38, 48) of the turning drum (20) of the first device and the turning drum (22) of the second device cuts. Machine (F) of the tobacco processing industry, in particular a filter attachment machine, with a device according to one of claims 1 to 4 or with an arrangement according to one of claims 5 to 8. Method for conveying rod-shaped articles (101, 102) of the tobacco-processing industry, in particular filter rods and / or cigarettes, one or two rows of rod-shaped articles (101, 102) arranged transaxially one behind the other in receiving troughs of a, in particular cylindrical, conveying drum (12) cross-axially conveyed, wherein the rod-shaped articles (101, 102) of the one row or one of the two rows of the rotating conveyor drum (12) are transferred to a first device according to one of claims 1 to 4 and in the Receiving troughs of the rotating turning drum (20, 22) of the first device are conveyed, wherein the longitudinal center axes of the rod-shaped articles do not intersect with the axis of rotation (38) of the turning drum (20) of the first device, wherein subsequently the rod-shaped articles of the turning drum (20, 22) of the first device are transferred to a second device according to one of claims 1 to 4 and are conveyed into the receiving troughs of the rotating turning drum (22) of the second device, wherein the longitudinal center axes of the rod-shaped articles do not interfere with the axis of rotation (48) of the turning drum (22) of the second device, and subsequently the rod-shaped articles of the turning drum (20, 22) of the second device in the receiving troughs of the conveyor drum (12) from which the rod-shaped articles (101, 102) to the beater ( 20) of the first device have been handed over. A method according to claim 10, characterized in that when conveying two rows of longitudinally axially juxtaposed and queraxial successively arranged rod-shaped articles (101, 102) on the conveyor drum (12) the articles (101) of a row by means of the turning drum (20, 22) of the the reversing drum (20, 22) of the second device are turned in a turning operation, wherein the turned rod-shaped articles after the turning operation between rod-shaped articles (101) of the second row, which remain on the conveyor drum (12) and not turned were inserted, so that on the conveyor drum (12) the inverted rod-shaped article (102) and the non-inverted rod-shaped article (101) have the same orientation and are arranged in a row transversely axially behind the other on the conveyor drum (12). A method according to claim 10 or 11, characterized in that when promoting two rows conveyed side by side of bar-shaped articles (101, 102) on the conveyor drum (12), the rod-shaped articles (101, 102) of the rows in the longitudinal axial direction not spaced apart, in particular spread, in the receiving troughs of the conveyor drum (12) prior to transfer to the turning drum (20 , 22) of the first device are or are arranged.

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