Conveying drum for the tobacco processing industry

By designing movable and immovable trough surfaces on the conveyor rollers in the tobacco processing industry, and combining negative pressure holding and linear movement, the flexibility problem in the conveying process of rod-shaped items is solved, and the precise positioning and cutting of items are achieved.

CN117835840BActive Publication Date: 2026-02-03KORBER TECHNOLOGIES GMBH
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Patent Information

Application Number
CN202280056702.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2021-08-17
Filing Date
2022-08-09
Publication Date
2026-02-03
Estimated Expiration
2042-08-09

AI Technical Summary

Technical Problem

In the existing tobacco processing industry, the transverse axial conveying process of rod-shaped items lacks flexibility and variability, making it difficult to reposition and adjust the position of rod-shaped items on the conveyor rollers.

Method used

A conveyor roller design is adopted, which has receiving grooves arranged at regular intervals in the circumferential direction. The receiving grooves are composed of immovable and movable groove surfaces. The longitudinal axial displacement and repositioning of the rod-shaped item is realized by the linear movement of the movable groove surfaces, and the transfer of the item between different groove surfaces is maintained by negative pressure.

Benefits of technology

It enables flexible positioning and rearrangement of rod-shaped items during the conveying process, supports multiple position changes and cutting operations, and improves conveying efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention particularly relates to a conveying drum (10) for the tobacco processing industry, having receiving slots (12) arranged successively in the circumferential direction for rod-shaped articles (21, 22, 23) of the tobacco processing industry, wherein the conveying drum (10) has an axis of rotation (R) and is driven or can be driven in rotation about the axis of rotation (R), wherein the receiving slots (12) are each aligned parallel to the axis of rotation (R), wherein at least one receiving slot (12) has for a rod-shaped article (21, 22, 23) a non-movable partial slot face (16) and a movable partial slot face (36) for the same rod-shaped article (21, 22, 23), wherein the non-movable partial slot face (16) and the movable partial slot face (36) of the respective receiving slot (12) extend parallel to the axis of rotation (R) of the conveying drum (10), wherein the movable partial slot face (36) of the respective receiving slot (12) is movable, in particular linearly movable, parallel to the axis of rotation (R) relative to the non-movable partial slot face of the respective receiving slot (12).
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Description

Technical Field

[0001] This invention relates to a conveyor roller for the tobacco processing industry and a machine for the tobacco processing industry, particularly a roller mill.

[0002] Furthermore, the present invention also relates to a method for transversely conveying rod-shaped articles, particularly filter rods and / or filter segment assemblies and / or tobacco sticks and / or filter cigarettes, in the tobacco processing industry. Background Technology

[0003] Conveyor rollers are used in tobacco processing machinery, particularly filter tip installation machines or machines used to produce alternative smoking products (such as heated tobacco products or electronic cigarettes) to transport cigarettes, filter tip devices, or their components.

[0004] In the production of cigarettes, filters, and filtered cigarettes, or so-called heated tobacco products or electronic cigarettes, the aforementioned rod-shaped objects are typically conveyed in modern tobacco processing machinery via conveyor rollers. The sides or the roller body of these conveyor rollers are provided with grooves or receiving slots for receiving the rod-shaped objects (cigarettes, filter rods or filter plugs, filtered cigarettes) for transverse axial conveying. During conveying, these rod-shaped items in the tobacco processing industry are typically arranged sequentially in rows transversely in the receiving slots.

[0005] In a filter tip installation machine, rod-shaped items (such as tobacco sticks, filter plugs, or filter rods) are transversely conveyed onto a conveyor roller and fed into a receiving slot on the roller. The receiving slots are arranged at predetermined intervals on the circumferential surface of the conveyor roller.

[0006] The separation distance is understood as the lateral spacing of the receiving troughs. This distance is measured from the center point of the receiving trough to the center point of the next trough of the adjacent receiving trough of the trough conveyor—which transports rod-shaped smoking articles (sets) on its surface—or, in the case of a prismatic receiving trough, from bottom to bottom. In the case of a roller conveyor (also called a conveyor roller), the separation distance is the length of the arc or lateral spacing between the (adjacent) trough center points on a circular line, where the trough center points or the axis of the trough center points are arranged on the circular line.

[0007] In addition, conveyor rollers for conveying rod-shaped articles in the tobacco processing industry are also disclosed in WO 2012 / 139720A2 and DE 102019134097 A1. Summary of the Invention

[0008] The object of the present invention is to convey or move rod-shaped articles in a variable manner on a conveying roller for rod-shaped articles in the tobacco processing industry during transverse conveying of rod-shaped articles.

[0009] This task is solved by a conveyor roller for the tobacco processing industry, which has receiving slots arranged sequentially in a circumferential direction, preferably at regular intervals, for rod-shaped articles of the tobacco processing industry, particularly filter rods and / or filter segment assemblies and / or tobacco sticks and / or filter cigarettes. The conveyor roller has a rotation axis and is rotatably driven or capable of being driven about this rotation axis. The receiving slots are aligned parallel to the rotation axis, and at least one, preferably each, receiving slot has a fixed portion of the slot surface for the rod-shaped article and a movable portion of the slot surface for the same rod-shaped article. The fixed and movable portions of the respective receiving slots extend parallel to the rotation axis of the conveyor roller, and the movable portion of the respective receiving slot is movable, in particular linearly movable, relative to the fixed portion of the respective receiving slot, parallel to the rotation axis.

[0010] This invention is based on the concept that, for example, in the manufacture of rod-shaped heated non-combustible products or multi-segment filters, individual rod-shaped segments are repositioned on a conveyor roller during transverse transport, or aligned on the conveyor roller by or after longitudinal displacement. In this case, the rod-shaped articles move longitudinally through a movable portion of the receiving trough surface, wherein the rod-shaped articles are arranged at or within the movable portion of the trough surface. In particular, the rod-shaped articles are held in the movable portion of the trough surface by negative pressure. The rod-shaped articles move longitudinally through linear movement of the movable portion of the trough surface parallel to the rotation axis of the conveyor roller, while simultaneously being transversely transported due to the rotation of the conveyor roller about its rotation axis. During the transport process of the rod-shaped articles on the conveyor roller, the rod-shaped articles can be transferred or positioned accordingly between the movable and immovable portions of the trough surface within the receiving trough.

[0011] For example, if a rod-shaped article needs to be transferred or moved within a receiving trough on a conveyor roller along the longitudinal conveying direction during the conveying process, the rod-shaped article can be transferred from the immovable portion of the receiving trough to the movable portion by means of (e.g., by applying negative pressure in the movable portion of the trough). Then, the movable portion of the trough, along with the rod-shaped article disposed therein or thereon, can be moved or displaced along the longitudinal direction (i.e., parallel to the axis of rotation of the conveyor roller) by means of the movable portion of the trough. After reaching the appropriate position or being positioned, the longitudinally moved rod-shaped article can then be (returned) to the immovable portion of the receiving trough. Thus, during the transverse conveying of the rod-shaped article on the conveyor roller, repositioning of the rod-shaped article within the receiving trough is achieved.

[0012] According to the invention, the receiving groove of the conveying roller is composed of a fixed groove surface and a movable groove surface. In particular, the fixed groove surface is constructed at the rigid roller body. The movable groove surface is constructed, for example, at or within an axially displaceable slider or displacement body of the conveying roller.

[0013] In one design of the conveyor roller, the immovable and movable portions of the corresponding receiving troughs are arranged successively in the circumferential direction of the conveyor roller, and the immovable and movable portions of the corresponding receiving troughs interact with each other in such a way that at least one rod-shaped article is arranged or can be arranged between the movable and immovable portions of the troughs. This allows the rod-shaped article to be received in the receiving trough.

[0014] Furthermore, one design of the conveyor roller is characterized in that, during the rotation of the conveyor roller around the axis of rotation, the movable portion of the trough surface of each receiving trough performs a stroke motion between two stroke transition points.

[0015] Furthermore, in an improved embodiment of the conveying roller, it is preferred that the immovable portion of the corresponding receiving trough and the movable portion of the trough have at least one or more air intakes, wherein, in particular, the air intakes of the immovable portion of the corresponding receiving trough are arranged at a preferred regular interval along the longitudinal extension of the immovable portion of the trough, and / or the air intakes of the movable portion of the corresponding receiving trough are arranged at a preferred regular interval along the longitudinal extension of the movable portion of the trough.

[0016] Negative pressure is applied at the air inlets (especially air holes) of either the movable or immovable portion of the trough surface to hold the rod-shaped item within the trough surface, thereby fixing the rod-shaped item within the trough surface during transverse conveying on the conveyor roller. A corresponding control unit is installed inside the conveyor roller to switch the negative pressure at the air inlets of the trough surface.

[0017] According to another aspect, it is advantageous in the conveyor roller that the movable portion of the receiving trough surface is constructed on a slider, wherein the slider is capable of linear movement parallel to the rotation axis of the conveyor roller.

[0018] Furthermore, in one embodiment, the conveying roller is characterized in that, in the circumferential direction of the conveying roller, two immovable portion surfaces of corresponding two receiving slots are successively and mirror-symmetrically constructed. For example, the immovable portion surfaces are correspondingly constructed on the outer side of the rigid roller body.

[0019] In a preferred design, the conveyor roller is configured such that, in the circumferential direction of the conveyor roller, two movable portions of the groove surfaces of two corresponding receiving grooves are successively and mirror-symmetrically constructed on a slider, wherein the slider is capable of linear movement parallel to the rotation axis of the conveyor roller.

[0020] Furthermore, it is preferable in the conveyor rollers to provide at least one, particularly motor-driven, drive for moving one or more, especially all, movable portions of the receiving groove surfaces, particularly for one or all the sliders.

[0021] The movable portion of the receiving trough preferably has a support surface that is curved, particularly partially cylindrical, or rounded or flat for rod-shaped articles.

[0022] Furthermore, in the conveying roller, it is preferable that the immovable portion of the receiving trough has a support surface that is bent, particularly partially cylindrical, or rounded or flat for the bending of rod-shaped articles.

[0023] In order to cut rod-shaped articles on a conveyor roller during transverse conveying, according to a preferred embodiment, the conveyor roller has a circumferential groove for inserting a cutting blade, and / or a receiving groove with a corresponding movable portion of the groove surface and a corresponding immovable portion of the groove surface has a groove for inserting the cutting blade.

[0024] Furthermore, one design of the conveyor roller is characterized by the arrangement of a cutting blade at the conveyor roller. In particular, the cutting blade is inserted into a groove in the movable and immovable portions of the receiving trough surface to cut rod-shaped items arranged in the receiving trough.

[0025] Furthermore, the aforementioned task is also solved by a tobacco processing machine (particularly a roller mill) having at least one of the aforementioned conveying rollers. To avoid repetition, please refer explicitly to the above description, which applies accordingly to this machine.

[0026] Furthermore, the aforementioned task is also solved by a method for transversely conveying rod-shaped articles (particularly filter rods and / or filter segment assemblies and / or tobacco sticks and / or filter cigarettes) in the tobacco processing industry on a conveying roller as described above. For this purpose, please refer specifically to the above description. In the case of using a conveying roller according to the invention, a method for transversely conveying rod-shaped articles is performed here.

[0027] According to a preferred embodiment of the method, it is specified that when an article is conveyed by a conveyor roller, the article moves from a fixed portion of the receiving trough to a movable portion of the same receiving trough, and / or when an article is conveyed by a conveyor roller, the article moves from a movable portion of the receiving trough to a fixed portion of the same receiving trough. In this case, the position of the rod-shaped article in the receiving trough can be changed during the execution of the method and during the transverse conveying of the rod-shaped article arranged in the receiving trough. Thus, for example, a rod-shaped article fixedly arranged in a fixed position within a fixed portion of the receiving trough can be displaced in its longitudinal extension within the receiving trough by means of the movable portion of the receiving trough through linear movement of that portion of the receiving trough after being transferred to a movable portion of the receiving trough, wherein subsequently, in another design, the rod-shaped article can be transferred from the movable portion of the receiving trough to a fixed portion of the receiving trough after longitudinal displacement. Thus, the position of the rod-shaped article in the receiving trough can be changed during the transverse conveying of the rod-shaped article within the receiving trough. Such position changes can also be performed multiple times during transverse conveying on the conveyor roller.

[0028] Therefore, in one design of the method, it is further specified that, particularly during the rotation of the conveyor roller, when conveying the article bar in the receiving trough, the article bar is moved to a cutting position on the conveyor roller by means of the linear movement of the movable part of the receiving trough surface along with the article bar parallel to the rotation axis of the conveyor roller, and then the article bar is cut into two article segments by means of a cutting blade inserted into a circumferential groove of the conveyor roller.

[0029] By means of the conveying roller according to the invention, the article bar can be aligned with the cutting plane of the cutting blade by means of the corresponding longitudinal axial displacement of the article bar in the receiving groove.

[0030] Furthermore, in one embodiment of the method, it is advantageous, particularly during the rotation of the conveyor roller, when conveying multiple sections of the section group in the receiving trough, to move at least one section to the unloading position on the conveyor roller by means of the movable portion of the receiving trough surface, through linear movement of the movable portion of the trough surface together with one or more sections of the section parallel to the axis of rotation of the conveyor roller.

[0031] According to a preferred design, the method further specifies that, particularly during the rotation of the conveyor roller, when conveying multiple sections of a section group in the receiving trough, in the case of using a movable portion of the receiving trough—which has at least one section of the section group arranged therein—and in the case of using a non-movable portion of the receiving trough—which has at least one additional section of the section group arranged therein—at least one section of the section group is spaced apart relative to at least one section of the section group arranged in the non-movable portion of the receiving trough in the longitudinal direction by moving the movable portion of the section group relative to each other parallel to the rotation axis of the conveyor roller. Thus, during the rotation of the conveyor roller, the sections of the article group in the receiving trough that are (initially) not spaced apart on the conveyor roller can be spaced apart from each other in the longitudinal direction by means that at least one article section is arranged in the immovable portion of the receiving trough surface, and at least another article section of the article group is arranged in the movable portion of the receiving trough surface, and is spaced apart from the rod-shaped articles arranged in the immovable portion of the trough surface by the linear movement of the movable portion of the trough surface parallel to the rotation axis of the conveyor roller.

[0032] Furthermore, in one preferred embodiment of the method, the article bar in the receiving slot is cut into two article segments by means of a cutting blade inserted into a circumferentially surrounding groove of the conveying roller, and then the two article segments are longitudinally spaced apart from each other on the conveying roller.

[0033] Other features of the invention will become clear from the description of embodiments according to the invention, together with the claims and the accompanying drawings. Embodiments according to the invention can implement a single feature or a combination of multiple features. Attached Figure Description

[0034] Without limiting the overall concept of the invention, the invention will now be described with reference to the accompanying drawings and embodiments, wherein all details of the invention not explained in detail in the context are explicitly referred to in the drawings.

[0035] Figure 1 A perspective view of a conveyor roller according to one embodiment is shown schematically;

[0036] Figure 2 schematically shown in cross-section Figure 1 A view of the conveyor rollers in the middle;

[0037] Figure 3 Different cross-sectional views of the separate receiving grooves of the conveying roller according to the present invention are shown;

[0038] Figure 4 A perspective view of a conveyor roller according to another embodiment of the invention is shown schematically;

[0039] Figure 5 schematically shown in detailed view Figure 4 A perspective view of the conveyor rollers in the middle; and

[0040] Figure 6 A flowchart for moving a rod-shaped article longitudinally on a conveyor roller is shown schematically in cross section. Detailed Implementation

[0041] Within the scope of this invention, features marked "particularly" or "preferredly" should be understood as optional features.

[0042] In the accompanying drawings, the same or similar elements and / or parts are marked with the same reference numerals so as to avoid the need for reintroduction.

[0043] exist Figure 1 The diagram schematically illustrates a conveyor roller 10 for transversely conveying rod-shaped articles 21, 22, and 23, which are fed into a receiving groove 12 of the conveyor roller 10. The receiving groove 12 is constructed or arranged at regular intervals on the outer side of the conveyor roller 10 along the circumferential direction of the conveyor roller.

[0044] When rod-shaped articles 21, 22, 23 are transported on a conveyor roller 10 having a rotation axis R, wherein the conveyor roller 10 is driven by a driver and rotates about the rotation axis R in order to transport the rod-shaped articles 21, 22, 23 in a transverse direction.

[0045] The conveying roller 10 has a roller body 14 with a recess 18 in which a slider 30 is movably arranged. During rotation of the conveying roller 10 about the axis of rotation R, the slider 30 moves the rod-shaped articles 21, 22, and 23 arranged in the receiving groove 12 along the longitudinal axis. Here, the rod-shaped articles 21, 22, and 23 are arranged individually, in pairs, or as a group of segments having two or more rod-shaped articles in the receiving groove 12 of the conveying roller 10.

[0046] exist Figure 2The diagram shows a schematic enlarged view of the conveyor roller 10. The receiving groove 12 of the conveyor roller 10 is here composed of a non-movable groove surface 16 constructed on a rigid roller body 14 and a groove surface 36 of a slider body 30. The groove surface 16 of the roller body 14 is here configured as a non-movable groove surface for the rod-shaped articles 21, 22, while the groove surface 36 is configured as a movable groove surface for the rod-shaped articles 21, 22.

[0047] The slider body 30 can be displaced parallel to the rotation axis R of the conveyor roller using a portion of its groove surface 36. A corresponding driver (not shown here) is provided for moving the slider body 30.

[0048] In order to receive the slider body 30 at or within the roller body 14, the roller body 14 has a corresponding recess 18 in which the slider body 30 is displaceable or can be displaced parallel to the axis of rotation R.

[0049] As from Figure 2 As can be seen, a portion of the groove surface 16 of the roller body 14 and a portion of the groove surface 36 of the slider body 30 respectively form a corresponding receiving groove for the rod-shaped articles 21 or 22.

[0050] Figure 3 The cross-section of the receiving groove 12 is shown schematically in a non-proportional or distorted illustration. The receiving groove 12 is formed by a portion of the groove surface 16 of the roller body 14 and a portion of the groove surface 36 of the slider body 30. Radial suction holes 17 or 37 are provided in the portion of the groove surface 16 or 36, respectively, to apply negative pressure from a negative pressure source to the radial suction holes.

[0051] exist Figure 3 In the left sub-figure, there is no negative pressure at the suction hole 17 of the roller body 14, and there is no negative pressure at the suction hole 37 of the slider body 30. Figure 3 In the middle illustration, a negative pressure exists at the suction port 37 to position the rod-shaped item 21 on the (movable) portion of the groove surface 36 of the movable or repositionable slider body 30, while no negative pressure exists at the suction port 17 of the roller body 14. In this case, the rod-shaped item 21, which is attached to or drawn into the portion of the groove surface 36, can be held and moved along the longitudinal axis with the slider body 30 by the linear movement of the slider body 30 perpendicular to the plane of the drawing.

[0052] After the rod-shaped article 21 moves longitudinally together with the slider body 30, the negative pressure at the suction hole 37 of the slider body 30 is cut off, and at the same time, a negative pressure is applied at the suction hole 17 of the roller body 14 so that the rod-shaped article 21 moves from the partial groove surface 36 of the slider body 30 along the direction of the partial groove surface 16 of the roller body 14, and is held at the (immovable) partial groove surface 16 by applying negative pressure at the suction hole 17.

[0053] If multiple rod-shaped articles 21 to 23 are arranged in the receiving groove 12, then within the scope of the invention, a portion of the rod-shaped articles can be held by applying negative pressure at the suction hole 17 of the roller body 14, while another rod-shaped article of the same group of articles can be held by applying negative pressure at the (movable) portion of the groove surface 36 of the same receiving groove 12, and moved longitudinally by the linear movement of the slider body 30, while other rod-shaped articles abutting the portion of the groove surface 16 of the roller body 14 do not move.

[0054] During the rotation of the conveyor roller 10, the slider 30 moves linearly and parallel to the axis of rotation R of the conveyor roller, particularly between the two stroke transition points. Through repeated transfer processes between partial groove surfaces 16 and 36 and the movement of the slider 30 parallel to the axis of rotation R of the conveyor roller 10, rod-shaped articles 21, 22, and 23 can be conveyed along the longitudinal direction on the transversely conveying conveyor roller 10 within the receiving groove 12, and moved along the longitudinal direction to predetermined positions (particularly the unloading positions) at subsequent conveyor rollers. Specifically, to move the rod-shaped articles in the receiving groove 12, a stepwise and possibly multiple longitudinal displacement process is performed, thereby repositioning the rod-shaped articles 21 and 22 on the conveyor roller within the receiving groove 12.

[0055] When using the conveyor roller 10 according to the invention—which is part of a roller mill (not shown here) in the tobacco processing industry—rod-shaped articles 21, 22, 23 arranged side-by-side in a single receiving trough 12 along the longitudinal direction of an article segment group can be individually separated at a predetermined unloading area and sent to a subsequent conveyor roller. Within the scope of the invention, the rod-shaped articles are conveyed more than 360° (as a process angle) around the rotation axis R of the conveyor roller in several partial passes. In this case, the rod-shaped articles 21, 22, 23 are continuously separated by using the slider 30 and by multiple transfers of the rod-shaped articles 21, 22, 23 between a portion of the groove surface 16 of the roller body 14 and a portion of the groove surface 36 of the conveying slider 30, and are accordingly moved to the unloading position. For example, in the case of a three-segment article group, in the first step, the separated segment after the first turn is distributed to the unloading position. The second article segment of the segment group is here distributed after the second turn, wherein the second segment is transferred to the unloading position by longitudinal displacement within the receiving trough 12. In another stepwise transfer process, after the third rotation of the roller, the third item segment is distributed to the subsequent conveyor rollers at the unloading position.

[0056] exist Figure 4 Another embodiment of the conveyor roller 10 according to the invention is schematically shown in perspective view. Here, a cutting blade 20 is arranged at the conveyor roller 10 to cut the rod-shaped articles 21, 22, 23.

[0057] For cutting rod-shaped items 21, 22, and 23, the roller body 14 has a circumferential groove 19 in the region of the cutting blade 20, interrupted by a recess 18. Furthermore, the slider body 30 has a circumferential groove 39, into which the cutting blade is inserted when the slider body 30 is positioned, thereby aligning the positioned and aligned rod-shaped items 21, 22, and 23 before cutting. During cutting, the grooves 19 and 39 are flush-end aligned with each other in the circumferential direction of the conveying roller 10. Figure 5 The diagram illustrates Figure 4 A view of the conveyor roller 10 in the middle.

[0058] After the cutting process is carried out on the conveyor roller 10, the article segments formed by the rod-shaped articles 21, 22, and 23 are separated from each other by returning the slider body 30. One article segment remains on the immovable part of the groove surface 16, while the other article segment is attached to the part of the groove surface 36 of the movable slider body 30 and is separated from another (immovable) segment on the part of the groove surface 16 by returning the slider body 30.

[0059] exist Figure 6The diagram schematically shows the method of using according to Figure 1 The method flow for positioning rod-shaped items 21, 22, and 23 using the conveyor roller 10 in the embodiment.

[0060] In method step a), by applying a vacuum, the rod-shaped articles 21, 22, and 23 are arranged to abut against the suction hole 17 in a portion of the groove surface 16 of the roller body 14. To move the rod-shaped articles 21, 22, and 23 toward a portion of the groove surface 36 of the slider body 30, a negative pressure is applied at the suction hole 37 of the slider body 30, and the negative pressure is cut off at the suction hole 17 of the roller body 14, thereby causing the rod-shaped articles 21, 22, and 23 to abut against the portion of the groove surface 36 of the slider body 30. This is shown in method step b).

[0061] Then, in method step c), the slider 30 is moved parallel to the rotation axis R of the conveyor roller 10, causing the rod-shaped articles 21, 22 to move longitudinally within the receiving groove 12 together with the slider 30. Therefore, the rod-shaped articles 21, 22, 23 move longitudinally relative to the roller 14, which is fixed in a relative position. Subsequently, in method step d), negative pressure is applied at the suction holes 17 on a portion of the groove surface 16, causing the longitudinally moving rod-shaped articles 21, 22, 23 to contact that portion of the groove surface. Here, the article segment 23 is positioned at the unloading position on the conveyor roller 10, and the article segment is delivered to the subsequent conveyor roller. This is indicated by dashed lines in method step e).

[0062] Simultaneously or subsequently, the slider 30 enters its initial position as in method step a), wherein subsequently in method steps f), g), and h), the slider 30 performs the same movement in a similar manner as in method steps b), c), and d), thereby bringing the rod-shaped article 22 into the unloading position on the conveyor roller 10 in another step. The above method steps are then repeated to deliver the remaining rod-shaped article 21 to the unloading position.

[0063] All the features mentioned, as well as those that can be obtained individually from the accompanying drawings, and those disclosed in combination with other features, are considered essential to the invention, whether individually or in combination. Embodiments of the invention can be achieved through a single feature or a combination of multiple features.

[0064] Reference tag list:

[0065] 10 conveyor rollers

[0066] 12 receiving slots

[0067] 14 rollers

[0068] 16-part groove surface

[0069] 17 air intake holes

[0070] 18 recesses

[0071] 19 grooves

[0072] 20 cutting blades

[0073] 21, 22, 23 Rod-shaped items

[0074] 30 slider body

[0075] 36-part groove surface

[0076] 37 air intake holes

[0077] 39 grooves

[0078] R is the axis of rotation.

Claims

1. A conveyor roller (10) for tobacco processing, the conveyor roller having receiving slots (12) arranged sequentially in a circumferential direction for rod-shaped articles (21, 22, 23) for tobacco processing, wherein the conveyor roller (10) has a rotation axis (R) and is rotatably driven or capable of being driven about the rotation axis (R), wherein the receiving slots (12) are respectively aligned parallel to the rotation axis (R), wherein at least one receiving slot (12) has a receiving slot for rod-shaped articles (21, 22, 23) respectively. 3) a non-movable portion of the groove (16) and a movable portion of the groove (36) for the same rod-shaped articles (21, 22, 23), wherein the non-movable portion of the groove (16) and the movable portion of the groove (36) of the corresponding receiving groove (12) extend parallel to the axis of rotation (R) of the conveying roller (10), wherein the movable portion of the groove (36) of the corresponding receiving groove (12) is movable relative to the non-movable portion of the groove (12) of the corresponding receiving groove (12) parallel to the axis of rotation (R).

2. The conveying roller (10) according to claim 1, characterized in that, The immovable portion (16) and movable portion (36) of the corresponding receiving groove (12) are arranged successively in the circumferential direction of the conveying roller (10), and the immovable portion (16) and movable portion (36) of the corresponding receiving groove (12) interact with each other in such a way that at least one rod-shaped article (21, 22, 23) is arranged or can be arranged between the movable portion (36) and the immovable portion (16).

3. The conveying roller (10) according to claim 1, characterized in that, The movable portion of the corresponding receiving slot (12) (36) can move linearly relative to the immovable portion of the corresponding receiving slot (12) parallel to the axis of rotation (R).

4. The conveyor roller (10) according to claim 1, characterized in that, Each receiving slot (12) has a non-movable portion of the slot surface (16) for the rod-shaped articles (21, 22, 23) and a movable portion of the slot surface (36) for the same rod-shaped articles (21, 22, 23).

5. The conveyor roller (10) according to claim 1, characterized in that, During the rotation of the conveyor roller (10) around the axis of rotation (R), the movable portion of the groove surface (36) of each receiving groove (12) performs a stroke movement between two stroke transition points.

6. The conveyor roller (10) according to claim 1, characterized in that, The corresponding receiving slot (12) has at least one or more air intakes (17, 37) on its immovable portion slot surface (16) and movable portion slot surface (36).

7. The conveyor roller (10) according to claim 6, characterized in that, The air intakes (17) of the immovable portion of the groove surface (16) of the corresponding receiving groove (12) are arranged at intervals on the longitudinal extension of the immovable portion of the groove surface (16), and / or the air intakes (37) of the movable portion of the groove surface (36) of the corresponding receiving groove (12) are arranged at intervals on the longitudinal extension of the movable portion of the groove surface (36).

8. The conveyor roller (10) according to claim 7, characterized in that, The air intakes (17) of the immovable portion of the receiving slot (12) are arranged at regular intervals on the longitudinal extension of the immovable portion of the slot (16), and / or the air intakes (37) of the movable portion of the receiving slot (12) are arranged at regular intervals on the longitudinal extension of the movable portion of the slot (36).

9. The conveyor roller (10) according to claim 1, characterized in that, The movable portion of the receiving groove (12) is formed on the slider (30), which is capable of linear movement parallel to the rotation axis (R) of the conveying roller (10).

10. The conveyor roller (10) according to claim 1, characterized in that, In the circumferential direction of the conveying roller (10), the two immovable portions of the groove surfaces (16) of the corresponding two receiving grooves (12) are constructed successively and in a mirror symmetry.

11. The conveyor roller (10) according to claim 1, characterized in that, In the circumferential direction of the conveying roller (10), two movable portion groove surfaces (36) of the corresponding two receiving grooves (12) are successively and mirror-symmetrically constructed on the slider (30), wherein the slider (30) is capable of linear movement parallel to the rotation axis (R) of the conveying roller (10).

12. The conveying roller (10) according to claim 1, characterized in that, At least one driver is provided to move a movable portion of the slot surface of one or more receiving slots (12).

13. The conveyor roller (10) according to claim 12, characterized in that, At least one driver is provided to move the movable portion of the slot surface of all receiving slots (12).

14. The conveyor roller (10) according to claim 12, characterized in that, At least one motor-driven drive is provided to move the movable portion of the slot surface of one or more receiving slots (12).

15. The conveyor roller (10) according to claim 12, characterized in that, At least one driver is set for one or all sliders (30).

16. The conveyor roller (10) according to claim 1, characterized in that, The movable portion of the receiving slot (12) has a curved or partially cylindrical, rounded, or flat support surface for the rod-shaped articles (21, 22, 23).

17. The conveyor roller (10) according to claim 1, characterized in that, The immovable portion of the receiving groove (12) has a curved or partially cylindrical, rounded, or flat support surface for the rod-shaped articles (21, 22, 23).

18. The conveyor roller (10) according to claim 1, characterized in that, The conveying roller (10) has a circumferential groove (19) for inserting a cutting blade (20) in the circumferential direction, and / or the receiving groove (12) with a corresponding movable portion groove surface (36) and a corresponding immovable portion groove surface (16) has a groove for inserting a cutting blade.

19. The conveyor roller (10) according to claim 18, characterized in that, A cutting blade (20) is arranged at the conveyor roller (10).

20. The conveyor roller (10) according to claim 1, characterized in that, The conveying roller has receiving slots (12) arranged sequentially at regular intervals in the circumferential direction, the receiving slots being used for rod-shaped articles (21, 22, 23) in the tobacco processing industry.

21. The conveying roller (10) according to claim 1, characterized in that, The rod-shaped articles (21, 22, 23) of the tobacco processing industry are configured as filter rods and / or filter segments and / or tobacco sticks and / or filter cigarettes.

22. A machine for the tobacco processing industry, having at least one conveying roller (10) according to any one of claims 1 to 21.

23. The machine according to claim 22, characterized in that, The machine is constructed as a drum machine.

24. A method for transversely conveying rod-shaped articles (21, 22, 23) for tobacco processing on a conveying roller (10) according to any one of claims 1 to 21.

25. The method according to claim 24, characterized in that, When the rod-shaped articles (21, 22, 23) are conveyed through the conveying roller (10), the rod-shaped articles (21, 22, 23) move from the immovable portion of the receiving groove (12) to the movable portion of the same receiving groove (12), and / or when the rod-shaped articles (21, 22, 23) are conveyed through the conveying roller (10), the rod-shaped articles (21, 22, 23) move from the movable portion of the receiving groove (16) to the immovable portion of the same receiving groove (12) (36).

26. The method according to claim 24, characterized in that, When conveying a rod-shaped article in the receiving groove (12), the rod-shaped article is moved to a cutting position on the conveying roller (10) by means of the movable part of the groove surface (36) of the receiving groove (12) through the linear movement of the movable part of the groove surface (36) and the rod-shaped article parallel to the rotation axis (R) of the conveying roller (10), and then the rod-shaped article is cut into two article segments by means of the cutting blade inserted into the circumferential groove (19) of the conveying roller (10).

27. The method according to claim 26, characterized in that, During the rotation of the conveying roller (10), when conveying the rod-shaped article in the receiving groove (12), the rod-shaped article is moved to the cutting position on the conveying roller (10) by means of the movable part of the groove surface (36) of the receiving groove (12) through the linear movement of the movable part of the groove surface (36) and the rod-shaped article parallel to the rotation axis (R) of the conveying roller (10).

28. The method according to claim 24, characterized in that, When conveying multiple sections of a section group in the receiving trough (12), at least one section of the section is moved to the unloading position on the conveying roller (10) by means of the movable portion of the trough surface (36) of the receiving trough (12) through the linear movement of the movable portion of the trough surface (36) and one or more sections of the section ...

29. The method according to claim 28, characterized in that, During the rotation of the conveying roller (10), when multiple sections of the article segment group are conveyed in the receiving trough (12), at least one of the article segments is moved to the unloading position on the conveying roller (10) by means of the movable part of the trough surface (36) of the receiving trough (12) through the linear movement of the movable part of the trough surface (36) together with one or more of the article segments parallel to the rotation axis (R) of the conveying roller (10).

30. The method according to claim 24, characterized in that, When conveying multiple sections of a section group in a receiving trough (12), when using a movable portion of the receiving trough (36) – which has at least one section of the section group arranged therein – and when using a non-movable portion of the receiving trough (12) – which has at least one additional section of the section group arranged therein – the movable portion of the receiving trough (36) is moved relative to each other by moving the movable portion of the receiving trough (36) parallel to the axis of rotation (R) of the conveying roller (10), at least one section of the section group is spaced apart relative to at least one section of the section group arranged in the non-movable portion of the receiving trough (36) in the longitudinal direction.

31. The method according to claim 30, characterized in that, During the rotation of the conveying roller (10), when conveying multiple sections of a section group in the receiving trough (12), in the case of using the movable portion of the receiving trough (36) – which has at least one section of the section group arranged therein – and in the case of using the immovable portion of the receiving trough (12) – which has at least one additional section of the section group arranged therein – the movable portion of the receiving trough (36) is moved relative to each other parallel to the rotation axis (R) of the conveying roller (10), thereby spacing at least one section of the section group relative to at least one section of the section group arranged in the immovable portion of the receiving trough (36) in the longitudinal direction.

32. The method according to claim 30, characterized in that, The rod-shaped article in the receiving slot (12) is cut into two article segments by means of a cutting blade (20) inserted into a circumferentially surrounding groove (19, 39) of the conveying roller (10), and then the two article segments are longitudinally spaced apart from each other on the conveying roller (10).

33. The method according to claim 24, characterized in that, The rod-shaped articles (21, 22, 23) of the tobacco processing industry are configured as filter rods and / or filter segments and / or tobacco sticks and / or filter cigarettes.

Citation Information

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