Classifications

• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
  • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
  • A24C5/12—Cutting the ends of filled and rolled cigarettes
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
  • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
  • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
  • A24C5/322—Transporting cigarettes during manufacturing
  • A24C5/327—Construction details of the cigarette transport drum
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
  • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
  • A24C5/47—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces
  • A24C5/478—Transport means for filter- or cigarette-rods in view of their assembling
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
  • A24D3/02—Manufacture of tobacco smoke filters
  • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
  • A24D3/0208—Cutting filter materials

Definitions

• the invention relates to a drum arrangement for the transverse axial conveying of rod-shaped articles of the tobacco processing industry and to a machine of the tobacco processing industry.
• the invention relates to a method for the transverse axial conveying of rod-shaped articles for the tobacco processing industry.
• sliding/cutting drums for cutting rod-shaped articles of the tobacco processing industry consist of a combination of a transport drum and at least one cutting device. or a cutting blade for the transported articles.
• These drums are used, for example, in the assembly of filter rods and filter cigarettes, where filter rod components of multiple usable lengths are prepared for subsequent connection with further filter components or smoking product components in a so-called transverse process, i.e., perpendicular to their longitudinal axes, by single or multiple subdivisions, staggering, and arranging them one after the other.
• transverse process i.e., perpendicular to their longitudinal axes, by single or multiple subdivisions, staggering, and arranging them one after the other.
• a large number of conveying drums are necessary for carrying out the processing steps.
• a defined longitudinal axial positioning or mutual alignment of the filter rod components in their receiving troughs is particularly important for the number of drums required, which determines the length of the conveying path. This is necessary for a cut between successive filter rod components.
• EP 1 700 528 A1 A sliding/cutting drum is disclosed, which has laterally arranged displacement means on the receptacles for longitudinally axial displacement of the rod-shaped articles in the receptacles.
• a drum arrangement for the transverse axial conveying of rod-shaped articles of the tobacco processing industry comprising a conveying drum of the tobacco processing industry with a drum body rotatable or rotating about an axis of rotation, wherein the drum body has receiving recesses for rod-shaped articles of the tobacco processing industry arranged at regular intervals in the circumferential direction and aligned parallel to the axis of rotation of the conveying drum, wherein a cutting device for cutting the, in particular multi-length, rod-shaped articles into, in particular single-length, article rod pieces is provided on the drum body.
• the drum arrangement comprises a conveyor drum with, in particular, rigid receiving troughs for rod-shaped articles, wherein the receiving troughs of the conveyor drum have a receiving area for receiving (uncut) rod-shaped and, in particular, multi-length articles, which are transferred to the conveyor drum from a transport drum arranged upstream of the conveyor drum. Furthermore, in addition to the respective receiving area for the transferred rod-shaped articles, the receiving troughs of the conveyor drum have a cutting area for the rod-shaped articles.
• the rod-shaped articles arranged in the receiving area of the receiving troughs are displaced from the receiving area into the cutting area of the receiving troughs formed next to the receiving area during the rotation of the conveyor drum.
• the displaced rod-shaped articles are cut into, preferably single-length, article rod pieces by means of the cutting device.
• the cut article rod pieces, arranged in the cutting area of the conveyor drum are then transferred to or picked up by a drum located downstream in the conveying direction.
• the rod-shaped articles to be transferred are moved by the transfer device within the receiving recesses in a longitudinal axial direction without contact with the receiving recesses.
• the rod-shaped articles are transferred from the receiving recesses to the transfer device to break contact between the previously stored rod-shaped article and the receiving recesses.
• the received or transferred rod-shaped articles are moved into the cutting area of the respective receiving recesses, whereby, in particular, after a transfer into the Cutting area the rod-shaped articles are arranged in the receiving recesses and wherein, after the arrangement of the rod-shaped articles in the receiving recesses, in particular in contact with the receiving recesses, the rod-shaped articles are cut by means of the cutting device arranged on the conveyor drum, so that at least one or more article rod pieces are cut off from the respective rod-shaped articles.
• drum arrangement it is advantageous to provide a drum for dispensing rod-shaped articles into the receiving troughs, preferably outside the respective cutting area of the receiving troughs, on the conveyor drum upstream of the cutting device.
• the drum for dispensing rod-shaped articles By arranging the drum for dispensing rod-shaped articles into the receiving troughs of the conveyor drum, the empty receiving troughs, in which no rod-shaped article is present, are freed up.
• the articles are arranged with the corresponding rod-shaped articles to be cut placed in the receiving recesses in the respective, preferably empty, receiving area.
• a drum preferably exclusively a drum, is arranged on the conveyor drum.
• This drum is configured to receive the cut article rod pieces in the cutting area of the cut article rods, preferably downstream of the cutting device, and to discharge rod-shaped articles into the receiving recesses, preferably outside the respective cutting area of the receiving recesses.
• a drum preferably a single drum, on the conveyor drum, which is also referred to as a cutting drum, it is possible, in particular, to simultaneously transfer rod-shaped articles into the receiving recesses of the conveyor drum and, after the article rod pieces have been cut from the rod-shaped articles distributed on the conveyor drum, to return the cut article rod pieces from the conveyor drum to the drum.
• the drum has the functions of discharging rod-shaped articles to the conveyor drum and receiving cut article rod pieces from the conveyor drum.
• one embodiment of the drum arrangement is characterized by the fact that, with respect to the transverse conveying direction of the rod-shaped articles, a positioning device is located upstream of the cutting device for positioning the rod-shaped articles, which are longitudinally displaced in the cutting area of the receiving troughs, in relation to the A cutting device is provided, wherein the positioning device is designed as a piezoelectric actuator.
• the positioning device is designed as a piezoelectric actuator.
• the positioning is carried out by means of the positioning device after the rod-shaped articles have been arranged in the cutting area.
• the positioning device is arranged laterally on the receiving recesses or laterally on the drum body.
• the displacement device in particular the position displacement device, is designed with at least one or more displacement bodies arranged on the drum body of the conveyor drum for longitudinally displacing the rod-shaped articles arranged in the receiving troughs.
• the displacement device which advantageously has segment-like and movable displacement bodies, the rod-shaped articles, which are transferred from a transport drum upstream of the conveying direction of the rod-shaped articles to the conveyor drum and are arranged in the receiving area of the receiving troughs next to the respective cutting area of the receiving troughs, are displaced from the receiving area to the respective cutting area during the rotation of the conveyor drum, wherein, in particular, the rod-shaped articles do not have contact with the receiving troughs during the displacement.
• the displacement bodies are preferably movable parallel to the axis of rotation of the drum body.
• the displacement bodies for the longitudinal axial displacement of the rod-shaped articles arranged in the receiving troughs, parallel to the axis of rotation of the conveyor drum, which are movable or are moved.
• the transfer bodies are arranged above the receiving recesses of the drum body and have receiving recesses for the rod-shaped articles, wherein the receiving recesses of the transfer bodies face the receiving recesses of the drum body.
• the transfer bodies have receiving recesses for the previously stored rod-shaped articles, wherein the receiving recesses of the transfer bodies are arranged on the outside of the drum body with respect to the radial direction of the drum body, and in particular, the transfer bodies are moved or movable parallel to the axis of rotation of the drum body in order to transfer the rod-shaped articles arranged in the receiving area of the receiving recesses into the respective cutting area.
• an advantageous embodiment of the drum arrangement provides that the receiving recesses of the relocation bodies each have one or more suction air bores that can be pressurized with negative pressure.
• the negative pressure is advantageously switched off at the suction air bores of the receiving recesses of the drum body.
• the suction air bores of the receiving recesses of the relocation bodies are pressurized with negative pressure to arrange the previously stored rod-shaped articles in the receiving recesses of the relocation bodies.
• the rod-shaped articles received in the receiving recesses of the relocation bodies are moved by a movement of the relocation bodies in the longitudinal axial direction of the rod-shaped articles towards the cutting area of the receiving recesses.
• the negative pressure at the suction air bores of the transfer bodies is switched off, whereby during or after the transfer of the rod-shaped articles from the receiving recesses of the transfer bodies into the cutting area, the suction air bores of the receiving recesses of the drum body are pressurized with negative pressure.
• the displacement bodies rotate with the drum body during its rotation and perform a stroke movement parallel to the axis of rotation of the drum body between two stroke reversal points during the rotation of the drum body.
• the displacement bodies 20 are arranged outside the receiving recesses 14 of the cutting drum 10 and/or outside the respective receiving area A of the receiving recesses 14 (see Fig. 3 ). Subsequently, the displacement bodies 20 are moved above the receiving areas A of the receiving recesses by a displacement parallel to the axis of rotation R (see figure). Fig. 3 ).

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• Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=95858617

Family Applications (1)

Country Status (2)

Citations (6)

• 2024
  • 2024-06-17 DE DE102024116975.3A patent/DE102024116975A1/de active Pending
• 2025
  • 2025-06-04 EP EP25180712.9A patent/EP4666879A1/fr active Pending

Patent Citations (6)

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