EP3501300B1 - Production line in the tobacco industry and method for inspecting it - Google Patents

Production line in the tobacco industry and method for inspecting it Download PDF

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Publication number
EP3501300B1
EP3501300B1 EP18210670.8A EP18210670A EP3501300B1 EP 3501300 B1 EP3501300 B1 EP 3501300B1 EP 18210670 A EP18210670 A EP 18210670A EP 3501300 B1 EP3501300 B1 EP 3501300B1
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EP
European Patent Office
Prior art keywords
working unit
probe
line
working
tag
Prior art date
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Active
Application number
EP18210670.8A
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German (de)
English (en)
French (fr)
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EP3501300A1 (en
Inventor
Luca VECCHIETTI
Luca Federici
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GD SpA
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GD SpA
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Priority to PL18210670T priority Critical patent/PL3501300T3/pl
Publication of EP3501300A1 publication Critical patent/EP3501300A1/en
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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
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective 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
    • A24C5/14—Machines of the continuous-rod type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/28—Control devices for cigarette or cigar packaging machines
    • B65B19/30—Control devices for cigarette or cigar packaging machines responsive to presence of faulty articles, e.g. incorrectly filled cigarettes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/28—Control devices for cigarette or cigar packaging machines
    • B65B19/32—Control devices for cigarette or cigar packaging machines responsive to incorrect grouping of articles or to incorrect filling of packages
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles

Definitions

  • This invention relates to a production line in the tobacco industry and to a method for inspecting it.
  • the purpose of production lines in the tobacco industry is to process smoking articles.
  • the production lines include working units which can be removed from the rest of the line so they can be replaced during maintenance or repair work.
  • the working units must be adjusted, mechanically or electronically, by setting suitable parameters; adjustment may be carried out either during machine inspection prior to shipment or during maintenance or repair work after the machine has been installed.
  • Patent documents BO2006A000110 and WO2017/182996 A1 in the name of this Applicant, describe a cigarette packing machine where some of the critical components are provided with passive transponders in which an identification code for identifying the corresponding component is stored. The identification codes of the transponders are read by corresponding antennas located along the processing line. The purpose of this system is to allow checking whether the critical components of the line are effectively original components. This technical solution therefore has some drawbacks because it does not allow any diagnosis to be performed and complicates the structure of the line (or machine).
  • Patent document EP2159176 discloses a device having the shape of a cigarette segment, provided with an acceleration sensor and adapted to be fed to a cigarette making machine for diagnostic purposes to measure the accelerations which the cigarette segment undergoes while it is being processed in the machine.
  • This solution also has inherent drawbacks because it does not allow inspecting the line with reference to specific components of the line; moreover, it does not allow particularly precise and accurate diagnosing of malfunctions of machine components.
  • This invention has for an aim to provide a production line in the tobacco industry and a method for inspecting it which overcome the above mentioned drawbacks of the prior art. This aim is achieved by the line and method according to one or more of the appended claims.
  • the aim of this disclosure is to provide a production line in the tobacco industry and a method for inspecting it which can facilitate maintenance and inspection operations on specific components of the line; reference is made in particular, but non-exclusively, to the context of predictive diagnostics for component maintenance purposes.
  • This disclosure provides a method for inspecting the operation of at least part of a production line in the tobacco industry.
  • inspection is performed using a probe having the shape of smoking article.
  • the probe includes a processor, a memory, a data exchange module and an electric power supply.
  • the line includes (defines) a movement path for the smoking articles (it should be noted that the movement path is a production path and hereinafter in this disclosure, the expressions "movement path” and “production path” are used equivalently).
  • the line includes a control unit; in an embodiment, the control unit supervises the operation of the line.
  • the line also includes a working unit (at least one).
  • the working unit is located along the movement path.
  • the line may comprise a plurality of working units located in series and/or in parallel with each other relative to the movement path.
  • the working unit includes a tag.
  • the tag has a read/write memory and a data exchange interface.
  • the data exchange interface is configured to emit and receive data in a wireless communication.
  • the data exchange interface is configured to emit and receive data in a short-range communication; in at least one embodiment, the data exchange interface is made according to RFID technology.
  • the tag may be an RFID tag, or RFID chip; in an embodiment, the RFID tag (or chip) is passive.
  • tag is used in this disclosure to denote an electronic component that is permanently and uniquely associated with the working unit.
  • the tag might be a transponder.
  • line production line in the tobacco industry
  • production line is used in this disclosure to refer to a (single) machine or to a plurality of machines which are interconnected or which interact to perform a process on tobacco products.
  • the term "probe” is used in this disclosure to refer to an object intended to be placed in at least one position in the production (movement) path to be possibly (but not necessarily) processed by the line; the probe therefore has the shape of a smoking article (finished or semi-finished).
  • the probe may have the shape of a cigarette filter, a cigarette, a group (bundle) of cigarettes or a cigarette packet.
  • the probe advantageously allows exchanging data with the tag of the working unit through a short-range data exchange system.
  • the data exchange interface is configured to emit and receive data in a medium-range communication.
  • a medium-range antenna might also be used to exchange data with the tag of one or more working units of the line (or of the machine or unit of the line).
  • the tags of the working units could be read or written without the probe and without removing the working units from the machine.
  • the tag (chip) of the working unit might be read (in addition or alternatively to the probe) by a specially configured electronic device which, in a possible embodiment, might be provided with a data reader element designed to be moved close to the tag or oriented in the direction of the tag (for example, according to IR data exchange technology, a Bluetooth connection or other technology).
  • working unit is used in this disclosure to denote a line component which is detachably associated with the rest of the line so it can be removed and replaced.
  • the working unit is removable en bloc.
  • This component may be a single element or a group of elements to form a system or device.
  • the working unit is adjustable; more specifically, the working unit is adjustable by setting at least one adjustment parameter.
  • the working unit may be adjusted mechanically or by an electrical signal, depending on circumstances (for example, depending on the type of working unit).
  • the working unit may be adjusted remotely through a signal; if the working unit is a mechanical part adapted to interact mechanically with a smoking article (hence with the probe), for example by applying pressure thereon (for example to accommodate or hold it), adjustment may be mechanical, carried out by acting directly (mechanically) on the part itself.
  • the working unit is preferably adjustable individually, in the sense that setting the adjustment parameter is effective directly on the operation of the working unit but does not have a direct effect on other parts of the line. It should be noted the working unit is adjustable independently, in the sense that it can be adjusted by operating only on its own parameter (or parameters) without operating on the adjustment parameters of other working units or parts of the machine; preferably, the working unit does not include components which can in turn be adjusted independently (that is to say, a working unit does not contain any sub-component which itself constitutes a working unit).
  • the production line in the tobacco industry may comprise one or more of the following machines or units: a unit for making cigarette filters; a unit for making cigarettes (connected to the filter making unit to receive filters therefrom); a storage unit to store the cigarettes received from the cigarette making unit; a cigarette packing unit (connected to the storage unit or to the cigarette making unit to receive the cigarettes); a cellowrapping unit (connected to the cigarette packing unit to wrap the cigarette packets in a transparent plastic film or cellophane); a cartoning unit (connected to the cellowrapping unit to form cartons of cigarette packets).
  • the shape of the probe depends on the part of the line to be inspected, that is to say, on the unit or part of the unit in which the probe must be loaded.
  • the probe may be shaped like a cigarette filter; to inspect the storage unit, the probe may be shaped like a cigarette; to inspect the cigarette packing unit, the probe may be shaped like a cigarette or a group of cigarettes; to inspect the cellowrapping unit, the probe may be shaped like a cigarette packet; to inspect the cartoning unit, the probe may be shaped like a (cellowrapped) cigarette packet or like an ordered group of packets.
  • this machine receives loose cigarettes through its infeed end and, through a succession of processing stations, delivers complete cigarette packets through its outfeed end. At least one station of the cigarette packing machine receives individual cigarettes, while at least one of the other stations of the machine receives groups (bundles) of cigarettes. In this machine therefore, a probe shaped like a cigarette can be loaded at the entrance to the first station or a probe shaped like a group (bundle) of cigarettes at the entrance to at least one other station.
  • the method according to this disclosure comprises a step of loading the probe into the line at a loading position located along the movement (production) path.
  • the method also comprises a step of transferring data between the probe and the tag of the working unit when the probe is located at an operating position along the movement path.
  • the operating position may coincide with the loading position or it may be, relative to the loading position, an advanced position along the movement (production) path.
  • data can easily be written to a working unit and follows that working unit even when the working unit is removed from the machine where it was originally fitted and is, for example, installed in another machine, or substituted or repaired; the method also allows that information to be just as easily read. That facilitates maintenance and checking of the working units, which are specific components of the line.
  • a time stamp indicating the time one or more of the data items listed above, or other data items are stored, can also be stored in the tag (chip) of the working unit.
  • other data items may be stored in the tag (chip).
  • data representing specifications provided by the manufacturer of the machine (or working unit) - for example, data relating to operating limits or tolerances, calibration or testing - can be stored in the tag (chip).
  • a first application circumstance of the inspection method is checking the design of a machine or production line (by the manufacturer of the machine or line) to verify compliance with specifications regarding the smoking article (for example, the packet) or the interaction between the smoking article and the machine.
  • a second application circumstance of the inspection method is checking the operation of the machine (by the manufacturer of the machine or line), for example before the machine is shipped to the factory where it is to be installed and/or after installation.
  • a third application circumstance of the inspection method is checking the operation of the line after some time has passed (with a view in particular to verifying compliance with specifications regarding the smoking article or the interaction between the smoking article and the machine); this check is intended to be carried out after the line or machine has worked for a certain length of time (predetermine, for example) and may be conducted by the user of the line.
  • the possibility to easily store on the working units themselves information regarding their manufacture (for example, date and place), manufacturer's specifications and, subsequently, inspection and maintenance (for example, details and dates of adjustments) and to easily retrieve that information after some time has passed (at any time, even without necessarily stopping the machine) allows diagnosing machine operation taking into account the "historical" data stored in the individual working units and considering that the working units may, over time, have been replaced (in the trade, this practice is known as "reconditioning") with new working units or "used" working units taken from other machines.
  • control unit may be provided with a machine operation counter; and when the packet probe is loaded into the machine, the probe incrementally writes the operating hours to the tags of the working units. This allows storing information regarding the actual operating time of the working units in the tags of the operating units themselves.
  • the tag also stores the date of production of the working unit (which constitutes a "date of birth” of that working unit); this information item is useful to carry out (programmed) maintenance based on absolute time, irrespective of the actual time worked.
  • the type and location of the machines a working unit has operated in might also be written to (stored in) the tag.
  • the position of the working unit in a machine might also be written to (stored in) the tag.
  • Some of the data stored in the control unit might also be written to (stored in) the tag when the probe passes.
  • the probe fulfils a function that may be likened to that of a logbook manager.
  • the probe can read from and write to the tags of the working units; in light of this, the tag of the working unit fulfils a function that may be likened to that of a rewritable logbook integrated in the working unit.
  • the method comprises a step of feeding the probe along the movement path, where the loading position is located upstream of the operating position, along the movement path.
  • the probe When it passes along the movement (conditioning) path in the machine (if necessary, at a lower speed than the nominal speed), the probe may therefore pass by in the proximity of the tags of the working units (for example, a few centimetres away) to exchange data therewith.
  • the probe is sensorized.
  • the (sensorized) probe is designed to facilitate the work of the installer or tester when setting (or adjusting) the working unit (or units).
  • the machine is (preferably) stationary while this is being done.
  • the probe is positioned along the movement (production) path in an operating position at the working unit to be conditioned so that the data exchange module of the working unit to be conditioned is in communication with the tag of the working unit in order to write data to the tag.
  • the operator adjusts one or more adjustment parameters of the working unit by varying the value of the adjustment parameter (by acting on a mechanical or electrical adjustment element) until it adopts a desired value (for example, a value that falls within a preset range, provided by the manufacturer).
  • a desired value for example, a value that falls within a preset range, provided by the manufacturer.
  • the set value of the adjustment parameter is stored in the tag of the working unit, preferably together with a time stamp indicating the date on which the adjustment was carried out; other information may also be stored: for example, information indicating ambient temperature, humidity or other variables in the machine at the time the adjustment was carried out (in this case, the probe is provided with corresponding temperature, humidity or other sensors).
  • the probe itself that measures and transmits a signal representing the value of the adjustment parameter measured in real time by the probe; that way, the probe provides the operator with feedback regarding the adjusting action taken by the operator.
  • the probe used is the one shaped like a group (bundle) of cigarettes and provided with a sensor for measuring the pressure applied on the probe.
  • the operator places the probe in the head (or loads it in the machine upstream of the head and moves it until it is positioned in the head) and then operates (mechanically) on the head to vary the pressure it applies on the probe (corresponding to the pressure that the head would, in use, apply on a group of cigarettes).
  • the probe measures the adjustment parameter in real time and transmits it to a screen for the operator to see (for example, a graphical interface connected to the control unit, or a tablet or other electronic device in communication with the probe).
  • a screen for the operator to see for example, a graphical interface connected to the control unit, or a tablet or other electronic device in communication with the probe.
  • the operator sets the adjustment parameter to the desired value as a function of the value displayed and the variations thereof.
  • the operator indicates that adjustment is complete, causing the value to be set in the working unit and stored in the tag of the working unit, as described above.
  • the probe may be used in a step of checking the working unit in which the probe performs a step of reading the memory of the working unit tag to retrieve the data contained therein (for example, historical values of one or more adjustment parameters set during a previous step of adjusting carried out on the working unit).
  • the step of checking the working unit also includes a step in which the probe (which, in this case, must be sensorized) performs a step of detecting the current values of the one or more working unit adjustment parameters. This allows comparing the historical values with the current values of the adjustment parameter of the working unit (for example, for diagnostic purposes, for example to carry out predictive maintenance).
  • the probe may be used in the machine as if it were a smoking article being processed (preferably with the machine running at its nominal speed) to acquire information on the mechanical or thermal stresses which the smoking article undergoes while it is being processed or to acquire information regarding the state or operation of one or more of the machine components which the smoking article interacts with during its processing along the movement (production) path.
  • the probe can fulfil at least two different functions: (i) inspecting the line or a part thereof by reading or writing data from or to the tag of one or more working units of the line; (ii) diagnostically analysing the operation of the line or part thereof by processing the probe in the machine and acquiring data which is time-correlated with the operation of the line.
  • the probe constitutes a link, or communication interface, between the control unit and the tag of the working units.
  • the data captured by the probe may be processed by the probe itself or by the control unit or other electronic devices (for example, a tablet for configuring the line or machine).
  • This disclosure thus also provides a production line in the tobacco industry.
  • the line comprises a machine (or a plurality of machines) for continuously processing a succession of smoking articles; the machine is a processing unit or station.
  • the line (or machine) defines a movement (production) path for the smoking articles.
  • the machine (the line) includes a working unit or a plurality or working units.
  • the working unit is located along the movement path of the smoking articles.
  • the working unit includes a tag.
  • the tag has a read/write memory and a data exchange interface.
  • the machine (the line) includes a control unit which supervises the operation of the machine (of the line).
  • the machine (the line) includes a probe which is shaped like a smoking article.
  • the probe comprises a processor, a memory, a data exchange module and an electric power supply.
  • the data exchange interface of the tag and the data exchange module of the probe are configured to transfer data between the probe and the working unit tag, at an operating position of the probe.
  • the operating position is located along the movement path.
  • the line may include one or more of the following machines or units for the processing of smoking articles: a unit for making cigarette filters ("filter maker”); a unit for storing and/or feeding filters; a unit for making cigarettes ("cigarette maker” combined with “filter tip attachment”); a unit for storing and/or feeding cigarettes; a unit for packing cigarettes (“packer”); a unit for storing packets; a unit for overwrapping packets ("cellowrapper”); a unit for making cartons (“cartoner”); a case packing unit (“case packer”) and palletizer.
  • the cigarette packing machine receives as input a (continuous) unordered flow of cigarettes from the cigarette making machine and, by means of a hopper, forms ordered groups of cigarettes, known as "bundles".
  • a possible position for loading the probe in the cigarette packing machine is downstream of the hopper: in this case, the probe is shaped like an ordered group, or bundle, of cigarettes.
  • the packing machine includes at least one carousel (wrapping wheel); in an embodiment, the working unit includes a plurality of carousels disposed in succession along the movement path.
  • the packing machine has a plurality of heads; the heads are connected to the carousel to rotate as one therewith.
  • each head receives an (ordered) group of cigarettes and acts in conjunction with suitable tools to wrap foil paper and a collar around the (ordered) group of cigarettes.
  • a second carousel receives the objects (the bundles of cigarettes wrapped in foil and provided with a collar) individually from the first carousel.
  • each head acts in conjunction with suitable tools to wrap a blank round the outside of a respective object.
  • each head (of each carousel) may define (constitute) a working unit (according to one or more of the features included in this disclosure).
  • this disclosure provides a production line (machine) in the tobacco industry, including at least one working unit equipped with a tag, where the tag has a read/write memory, to exchange information with an interrogation device ("reader") according to one or more of the features included in this disclosure.
  • the disclosure must not be understood as being limited by the embodiment of the interrogation device; in this sense, the fact that the interrogation device is a probe shaped like a smoking article and adapted to be processed by the machine is one of the possible embodiments.
  • this disclosure provides a production line (machine) in the tobacco industry, including a working unit (at least one) equipped with a tag, where the tag is positioned along a movement (production) path of the smoking articles and is readable/writable by (an interrogation device consisting of) a probe which is shaped like a smoking article and adapted to be processed by the machine, according to one or more of the features included in this disclosure.
  • an interrogation device consisting of a probe which is shaped like a smoking article and adapted to be processed by the machine, according to one or more of the features included in this disclosure.
  • the disclosure must not be understood as being limited by the embodiment of the tag; in this sense, the fact that the tag has a read/write memory to exchange information with an interrogation device (the probe) is one of the possible embodiments.
  • This disclosure thus also provides a working unit of a production line (machine) in the tobacco industry.
  • the working unit comprises a body which is geometrically configured to removably connect the working unit to the line (machine).
  • the working unit comprises an adjustment mechanism.
  • the adjustment mechanism is configured to set at least one mechanical and/or electrical adjustment parameter.
  • the adjustment parameter may be detectable from outside the working unit.
  • the working unit also includes a tag having a read/write memory and a data exchange interface, according to one or more of the features included in this disclosure.
  • the reference numeral 1 denotes a line for the production of articles of the tobacco sector (in particular, for making cigarettes), hereinafter also referred to as products of the tobacco industry or smoking articles.
  • the line 1 may comprise one or more machines or units which are connected, specifically in succession, along a movement path ( Figure 1 ). Described briefly below are some of the machines or units which the line 1 may include.
  • the line 1 may comprise a machine 201 known as "cigarette maker” configured to make a cigarette rod segment containing tobacco (without filter).
  • the cigarette maker 201 allows wrapping a predetermined quantity of tobacco in a sheet of paper to make a plurality of rods of tobacco wrapped in paper of predetermined size and length which will subsequently constitute cigarettes.
  • An example of the cigarette maker 201 is well described in patent document EP2522237B1 which is in the name of the same Applicant as this invention and whose content (with particular regard to structure, functions and operating modes of the component parts of the machine) is incorporated herein by reference.
  • the line 1 may comprise a machine 3 known as "filter maker", constituting a unit for making filters.
  • the line 1 may also comprise a filter tip attachment machine 202, configured to couple the filter made by the filter maker 3 to the cigarette rod segment made by the cigarette maker 201.
  • the filter tip attachment machine 202 allows attaching one or more segments of filter material, that is, a "combined" filter or filters, to an element of predetermined size and length previously made by the cigarette maker 201 in order to make a finished cigarette.
  • An example of the filter tip attachment machine 202 is well described in patent document EP1791146B1 which is in the name of the same Applicant as this invention and whose content (with particular regard to structure, functions and operating modes of the component parts of the machine) is incorporated herein by reference.
  • the cigarette maker 201 and the filter tip attachment machine 202 form a unit 2 for making cigarettes.
  • the line 1 may also comprise a packing machine 4, which constitutes cigarette packing unit.
  • the packing machine 4 is configured to make a packet of cigarettes containing a predetermined number of cigarettes.
  • the line may also comprise a storage unit 7.
  • the storage unit 7 is interposed between the unit 2 for making cigarettes and the packing machine 4; in such a case, the function of the storage unit 7 is to store the cigarettes received from the unit 2 for making cigarettes and to feed them to the packing machine 4, thereby making available a storage "buffer" of cigarettes.
  • the line 1 may also comprise a cellowrapping machine (or unit) 5, or unit for overwrapping the packets.
  • the cellowrapping machine 5 is configured to apply a packaging film round the outside of the packets of cigarettes; the cellowrapping machine 5 is connected to the packing machine 4 downstream of the latter. More specifically, the cellowrapping machine 5 allows the packets of cigarettes to be wrapped in transparent or printed, heat-sealable plastic material.
  • An example of the cellowrapping machine 5 is well described in patent document EP1640268B1 which is in the name of the same Applicant as this invention and whose content (with particular regard to structure, functions and operating modes of the component parts of the machine) is incorporated herein by reference.
  • the line 1 may also comprise a cartoning machine 6, or cartoning unit.
  • the cartoning machine 6 is configured to make a carton of cigarette packets (from cigarette packets fed into it).
  • An example of the cartoning machine 6 is well described in patent document US2005/0005580A1 (or in the corresponding priority document BO2003A000317 ) which is in the name of the same Applicant as this invention and whose content (with particular regard to structure, functions and operating modes of the component parts of the machine) is incorporated herein by reference.
  • the packing machine 4 comprises a feed station 401 for feeding wrapping materials, a feed station 402 for feeding cigarettes and a packing station 400.
  • the feed station 401 includes one or more reservoirs of wrapping materials, which may include a first roll 403 of inner wrapping material ("inner liner”), a reservoir 404 of coupons and a second roll 405 of stiff paper material which is subjected to a succession of steps of cutting and folding to form collars ("inner frames") normally used in rigid packets.
  • the roll 403 is a roll of foil paper or other soft material.
  • the feed station 402 comprises a (vertical) hopper 406 adapted to receive a mass of horizontally oriented cigarettes from the storage unit 7 at the top of it and to release the cigarettes in ordered groups G onto a drawer conveyor 407 located under the hopper 406.
  • packing station 403 is configured to perform the following steps (functions):
  • the packing station 400 comprises a supporting wall 408 (preferably vertical).
  • the supporting wall 408 supports (or includes) a plurality of drive shafts 409.
  • the drive shafts 409 are preferably horizontal (perpendicular to the supporting wall 408).
  • the supporting wall 408 also supports (or includes) a plurality of conveyors, each connectable to a respective drive shaft 409.
  • the packing machine 4 includes a first conveyor 410, a second conveyor 411 and a third conveyor 412.
  • the drive shafts 409 are kinematically connected to each other to ensure that the conveyors operate in phase synchrony.
  • the packing machine 4 may be equipped with a grid crank system which connects the drive shafts 409 to each other and connects them to a single motor (not illustrated). An example of this system is described in Italian patent application BO97A000371 .
  • the drive shafts 409 are driven by respective, independent electric motors which are phase coordinated by a control unit.
  • Each conveyor 410, 411, 412 comprises a rotary support, or carousel 413, (in an example embodiment, the carousel 413 is rotatable coaxially with the respective drive shaft 409).
  • Each conveyor 410, 411, 412 comprises a corresponding plurality of heads 414 connected to the respective carousel 413 (preferably at positions along the periphery of the respective carousel).
  • the heads 414 of each conveyor are configured to move into contact with a corresponding type of wrapping material intended to wrap the (ordered) groups G of cigarettes partly or completely.
  • the heads 414 of each conveyor 410, 411, 412 are also configured to act in conjunction with the heads 414 of at least one adjacent conveyor 410, 411, 412.
  • the heads 414 comprise respective pockets to transport the groups G of cigarettes or the packets. In an embodiment (additionally or alternatively), the heads 414 comprise transport elements configured to transport the wrapping material. In an embodiment (additionally or alternatively), the heads 414 comprise folding elements configured to fold the wrapping material.
  • the first conveyor 410 is located (immediately) downstream of the drawer conveyor 407 to receive from the latter a succession of groups G of cigarettes moving forward along a feed direction of the movement path P.
  • first releasing device 415 configured to release the inner wrapping material (foil) from the first roll 403.
  • the heads 414 of the first conveyor 410 receive pieces of foil and successions of groups G of cigarettes and, with the aid of folding devices, wrap each group G of cigarettes completely in a piece of foil.
  • the first conveyor 410 is coupled to a second releasing device 416 configured to release collars, connected to the second roll 405 of rigid paper material and adapted to cut and/or punch the paper material to make a succession of collars and deliver them to the first conveyor 410.
  • the collars are then associated with respective pieces of foil wrapped round the groups G of cigarettes.
  • a compensating device 417 (pneumatic, for example) whose function is to absorb irregularities in the feeding of the paper material, so that the collars are delivered to the first conveyor 410 smoothly and regularly.
  • the second conveyor 411 Downstream of the first conveyor 410 is the second conveyor 411, which receives the groups G of cigarettes previously wrapped in the foil and which also receives blanks S of rigid material drawn from a reservoir 418 of blanks S by means of a third releasing device 419 configured to release the blanks S; the third releasing device 419 is interposed between the reservoir 418 of blanks S and the second conveyor 411 to pick up a blank S from the reservoir 418 and deliver it to the second conveyor 411.
  • the reservoir 418 of blanks S is adapted to contain the blanks S lying vertically and stacked horizontally.
  • the third releasing device 419 (for releasing the blanks S) also comprises a supporting element which is rotatable about a horizontal axis and is equipped with pickup working units on its periphery.
  • the third conveyor 412 Downstream of the second conveyor 411 is the third conveyor 412, which receives the semi-finished packet from the second conveyor 411 and folds the remaining parts of the blank S to complete the rigid packet.
  • the third conveyor 412 is associated with specific folding means (of known type, for example comprising curved deflectors and/or movable grippers) adapted to fold certain parts of the packet.
  • specific folding means of known type, for example comprising curved deflectors and/or movable grippers
  • a transfer device 420 Downstream of the third conveyor 412 there is a transfer device 420 configured to receive the finished packets from the packing station and send them to a storage unit ("buffer”) or to another station (for example, the cellowrapping machine 5), where an outer thermoplastic film is applied to them.
  • At least one of the conveyors 410, 411 and 412 can be replaced by a different type of conveyor and/or can be moved to a different position relative to the other conveyors 410, 411 and 412 and/or can be mounted on different drive shafts 409 on the supporting wall 408.
  • the drive shafts 409 are configured to be interchangeably coupled to each of the conveyors 410, 411 and 412.
  • at least the second and the third conveyor 411 and 412 are interchangeable, whilst the first conveyor 410 is not replaceable; in a variant embodiment, interchangeability may be extended to all the conveyors 410, 411 and 412 described above.
  • each conveyor 410, 411 and 412 is provided with a slot adapted to arbitrarily receive any of the aforementioned drive shafts 409.
  • the shaft and the slot may be coupled to each other by a keyed connection to allow transmission of drive torque.
  • each conveyor 410, 411 and 412 includes a transmission structure connected to the heads 414 of that conveyor to move them when the respective drive shaft 409 is driven.
  • the transmission structure may include, for example, cam and cam follower systems or other systems of known type.
  • the conveyors 410, 411 and 412 can be removed (for example by pulling them off the respective drive shafts 409) to be replaced by respective conveyors having different features to make packets of a different size or type (for example, rigid packets instead of soft packets).
  • the line 1 also comprises a control unit 14.
  • the control unit 14 may be an electronic control unit.
  • the control unit 14 is configured to control some or all of the machines or units (for example, the units 2, 3, 4 5, 6) forming part of the line 1.
  • control unit 14 may be a single (or centralized) control unit or it may be a distributed control unit (that is, consisting of a plurality of modules distributed along the line 1, each dedicated to a specific function - for example, dedicated to a specific machine or unit - where the modules communicate or are coordinated with each other).
  • the machine continuously processes a succession of smoking articles.
  • the smoking article may be, for example, a filter, a cigarette, an ordered group G of cigarettes or a packet of cigarettes.
  • the machine includes at least one working unit; in at least one embodiment, the machine includes a plurality of working units.
  • the working unit is a machine component which can be disconnected and removed from the machine (so it can be replaced for example). Also, in at least one embodiment, the working unit is subject to adjustment (mechanical or electronic).
  • Each of the heads 414 (of the conveyors 410, 411 or 412) of the packing machine 4 may constitute a working unit.
  • inter-conveyor transfer units tensioning or traction units
  • foil embossing elements foil embossing elements
  • collar blanking punches or other components.
  • one or more working units are located along the movement path P of the smoking articles (production path).
  • One or more working units might, however, also be located at a position which is spaced from the movement path P of the smoking articles.
  • the working unit includes a tag T; that is to say, an electronic component configured to store information accessible to (readable by) an interrogation device.
  • the tag T has a read/write memory. In an embodiment, the tag T has a data exchange interface.
  • the tag T uses RFID technology (or other short-range data transmission technology).
  • the line 1 comprises a probe 10.
  • the probe 10 is configured to communicate with the tags T of the working units.
  • the probe 10 is (preferably) shaped like a smoking article so it can be loaded and processed in one or more of the machines of the line 1 in the same way as a real smoking article.
  • the probe 10 may be shaped like a cigarette or a group G of cigarettes (see Figures 6 and 7 , for example); in the latter case, the probe 10 may be loaded in the packing machine 4.
  • the probe 10 includes a processor 16 which may be integrated in an electronic card 11 (see Figure 5 for example).
  • the probe 10 includes a memory 12; the memory 12 is preferably a read and write memory.
  • the probe 10 includes a data exchange module 13; that is, a communication module.
  • the data exchange module 13 uses RFID technology (or other short-range data transmission technology).
  • the probe 10 also includes an electric power supply 22 (battery).
  • an electric power supply 22 battery
  • the tag T of the working unit is a passive RFID tag.
  • the probe 10 When the probe 10 is located at an operating position along the movement path P, in proximity to the working unit, it can read the data from the tag T or write data to the tag T.
  • the tag T of the working unit is powered and can in turn transmit data to the probe 10.
  • the memory of the tag T can contain data of various kinds, examples of which are provided below.
  • the tag T can contain an identification code of the working unit the tag T belongs to. It should be noted that the tag T is stably and irremovably associated with the working unit. Furthermore, the tag T can contain the manufacturing date of the working unit and the identification data of the machines it has been mounted on.
  • the tag T can also contain dates associated with a description of an activity; for example, the dates of one or more adjustments carried out on the working unit.
  • the tag T can contain the values of one or more adjustment parameters set during testing or subsequent calibrations of the working unit.
  • the nature of the adjustment depends on the type and function of the working unit; for example, if the function of the working unit is to hold a group G of cigarettes, the adjustment may involve mechanically moving the gripping elements, to ensure that the pressure applied on the group G of cigarettes (which in this case may be the adjustment parameter) is within a certain range of values - for example, specified by the manufacturer or based on checking the effective action of the working unit on the cigarette packet (obviously, the group G of cigarettes must not be subjected to excessive pressure that would damage it).
  • the tag T may also contain an operating time interval of the working unit. Also, the tag T may contain information regarding the type of one or more machines which the working unit has been mounted on during its working life. The tag T may also contain information regarding the position of the working unit inside one or more machines which the working unit has worked in.
  • the tag T may also contain diagnostic data referred to the working unit derived during a step of diagnosing the line. More generally speaking, the tag T may also contain all or part of the data contained in the control unit 14 of the line 1.
  • the probe 10 includes a local sensor 17 (at least one or a plurality of local sensors) configured to detect an adjustment parameter of the working unit.
  • the probe 10 might be provided with sensors configured to detect the pressure applied on the outside of it (for example, by a certain working unit).
  • the function of these sensors is to provide a control signal for an operator during setting up or adjustment of the working unit (for example with the machine stationary and the probe 10 coupled to the working unit or positioned in proximity thereto, depending on circumstances).
  • the user can place the probe 10 in that working unit and, using the probe 10, can then read a value of the pressure (or other parameter) applied by the head 414 on the probe 10 in order to adjust the setting of the working unit (by feedback) until the pressure applied by the head 414 on the probe 10 adopts the required value (or returns within the range of values).
  • the line 1 comprises a plurality of working units positioned in series and spaced along the movement path P.
  • the head 414 of the first conveyor 410 are (functionally) in series with the heads 414 of the second conveyor 411 and with the heads 414 of the third conveyor 412.
  • the heads 414 of the plurality of heads associated with the same carousel 413 of one of the conveyors 410, 411 and 412 are (functionally) in parallel with each other.
  • the line 1 thus comprises a plurality of probes 10, corresponding to the plurality of working units placed in parallel with each other. That way, the probes 10 can be processed simultaneously by the machine and can come into contact or interact with (or move to the respective operating positions in the proximity of) respective working units simultaneously (or in any case without having to stop the machine).
  • a working unit of a production line 1 in the tobacco industry is provided.
  • the working unit comprises a body which is geometrically configured to removably connect the working unit to the line 1.
  • the working unit also comprises an adjustment mechanism including at least one mechanical and/or electrical adjustment parameter detectable from outside the working unit.
  • the working unit also comprises the tag T which has a read/write memory and a data exchange interface.
  • the tag T is positioned on a portion of the outside surface of the body of the working unit, intended, in use, to face the probe 10 at least one operating position adopted by the probe 10 in the context of the movement (production) path P of the smoking articles in the line.
  • the line 1 comprises one or more line sensors 15 configured to measure at least one machine parameter representing the operation of at least one element of the line.
  • the control unit 14 is connected to the line sensor 15 in order to control the operation of at least one part of the line.
  • the line includes a diagnostic probe; it may be adapted to interact with the one or more line sensors 15 when it moves through the line and the probe is processed in the same way as a smoking article.
  • the diagnostic probe is distinct and separate from the probe 10 (which is an inspection probe, meaning that its function is to inspect the tags T of the working units).
  • the same probe 10 also has (in addition to the inspection function) the diagnostic function.
  • the probe 10 is configured to acquire at least one probe parameter.
  • the probe 10 (provided with the processor 16, the at least one local sensor 17, the memory 12, the data transmission module 13 and the power supply 22) is shaped like a smoking article, has at least one local sensor 17 and is configured to acquire at least one probe parameter.
  • the line 1 may include an electronic database 21 operatively in communication with the control unit 14 and with the memory 12 of the probe 10 to receive and store data acquired for the at least one machine parameter and the at least one probe parameter.
  • the line 1 also includes a computer 18 configured to generate an activation signal and to transmit it to the probe 10 and to the control unit 14 at a starting instant.
  • the computer is programmed to time-correlate the data stored in the electronic database 21.
  • the method is implemented by the probe 10 through the following steps:
  • the line data comprises a data set representing at least one machine parameter.
  • the method further comprises a step of transmitting a stop signal to the processor of the probe 10 and to the control unit of the line 1 at the end of acquisition instant, which causes acquisition of probe and line data to stop.
  • the electronic appliance 19 preferably comprises a (hardware and/or software) module for communication with the probe 10 and a (hardware and/or software) module for communication with the control unit 14.
  • the electronic appliance 19 may also comprise a data analysis module configured to statistically analyse the line data and the probe data which have been time-phased (correlated) with each other beforehand.
  • the electronic appliance 19 is provided with a user interface (enabling a user to issue commands) a memory and a display.
  • the time-correlation step comprises, for each item of the probe data set, setting in relation to each other a synchronization parameter value referred to the starting instant and assigned to that data item, and a corresponding reference instant assigned to at least one respective item of the line data set.
  • the method comprises, after the step of transmitting the activation signal to the processor of the probe 10 at a "starting "(or activation) instant, the step of acquiring (preferably at a predetermined sampling interval) the values of the probe parameters.
  • the method comprises a step of acquiring the aforementioned line data, following the step of transmitting the activation signal.
  • the line parameters comprise parameters representing a position occupied at a given instant by one or more conveyor units configured to move the smoking articles (and the probe) along at least part of the line 1. This means that analysing the (line) parameter over time allows the position of the probe 10 (which is moved by, or as one with, the one or more conveyor units) to be traced with a high degree of precision and accuracy.
  • control unit 14 of the line 1 comprises a clock and is programmed to associate with each data item it acquires a reference instant referred to the starting instant.
  • the probe 10 comprises a synchronizer configured to generate a synchronization signal referred to the starting instant and the processor 16 of the probe 10 is programmed to associate a value of the synchronization parameter with each data item acquired by the probe 10.
  • the clock of the control unit 14 and the synchronizer are used to assign a time instant to each probe and line data sample, starting from the same starting instant.
  • the probe 10 also has a base element or frame (externally shaped like the smoking article) which houses the electronic card 11.
  • a very precise diagnosis can be performed on the machine because knowing the position of the probe 10 means that malfunctions and/or faults can be located very precisely.
  • the probe 10 can be processed in the same way as an ordinary product; in this sense, the probe 10 may be subjected to the same physical phenomena (impact, compression, acceleration, heating) and undergoes the same processes as a product of the same type.
  • the possible diagnostic function of the probe 10 interacts synergically with its inspection function.
  • the fact that the probe 10 can read data from, and write data to, the tag T of the working unit means that the adjustment parameter values previously set in the working unit can be retrieved from the memory and the new values set following the (new) adjustment can be written to the memory.
  • this disclosure provides a diagnostic method for inspecting at least part of the line 1 (for example, one or more of the machines or units 2, 3, 4, 5, 6 of the line 1).
  • the method comprises storing specific data in the tag T of the working unit. These data preferably represent constructional or operating specifications of the working unit and may represent adjustments or settings carried out on the working unit over time; in an embodiment, the data stored in the tag T keep track of the operation of the working unit over time; in an embodiment, the data stored in the tag T form a "track record", that is, a file or a "fingerprint", representing the history of that working unit starting from the time it was manufactured.
  • the inspection method includes a step of reading the data contained in the tag T of the working unit (for one or more of the working units of the line 1).
  • the method also comprises a step of transferring data to and from the tag T of the working unit.
  • this step of reading comprises loading the probe 10 into the line 1 at a loading position located along the movement path P of the smoking articles.
  • the step of transferring data between the probe and the tag T of the working unit is carried out when the probe is located at an operating position along the movement path P.
  • the machine (or line 1) is made to process the probe 10 and data are read from one or more working units in succession as the probe advances along the movement path P. More specifically, the same probe 10 reads all the tags T of the working units located along the movement path P and functionally positioned in series with each other. Reading a plurality of tags T of working units which are functionally positioned in parallel with each other (for example, the heads 414 of a single carousel 413 in the packing machine 4), involves loading in the machine a succession of probes 10 equal in number to the number of working units of the plurality of working units positioned in parallel.
  • the probe 10 may be held still at the operating position. This solution is particularly advantageous if data exchange between the tag T of the working unit and the probe 10 is carried out during, or for the purposes of, adjustment of the working unit.
  • the (inspection) method may comprise a procedure of checking the working unit through the following steps:
  • the probe 10 communicates wirelessly with the control unit 14 or with the electronic device 18, preferably in real time.
  • the probe 10 is driven by the control unit 14 or by the electronic device 18, preferably in real time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Factory Administration (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
EP18210670.8A 2017-12-19 2018-12-06 Production line in the tobacco industry and method for inspecting it Active EP3501300B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18210670T PL3501300T3 (pl) 2017-12-19 2018-12-06 Linia produkcyjna w przemyśle tytoniowym i sposób jej kontroli

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT201700146120 2017-12-19

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EP3501300A1 EP3501300A1 (en) 2019-06-26
EP3501300B1 true EP3501300B1 (en) 2020-09-16

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CN117389234B (zh) * 2023-12-05 2024-03-22 云南烟叶复烤有限责任公司 一种卧式打叶机组叶片结构指标智能控制系统

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Publication number Priority date Publication date Assignee Title
US6944511B2 (en) 2001-05-30 2005-09-13 G.D Societa Per Azioni Method of controlling an automatic machine
US7341197B2 (en) * 2002-07-31 2008-03-11 Sap Aktiengesellschaft Component tagging with maintenance related information in open and closed formats
ITBO20030317A1 (it) 2003-05-22 2004-11-23 Gd Spa Metodo ed unita' per l'incarto di gruppi di prodotti.
ITBO20040521A1 (it) 2004-08-09 2004-11-09 Gd Spa Metodo e macchina per realizzazione di sigarette col filtro
ITBO20040598A1 (it) 2004-09-27 2004-12-27 Gd Spa Unita' per il sovraincarto di prodotti, in particolare pacchetti, e relativo metodo di sovraincarto
DE102008045048A1 (de) * 2008-08-27 2010-03-04 Hauni Maschinenbau Ag Messkörper zum Erkennen von Störquellen innerhalb eines Leitungssystems für Tabak verarbeitende Produkte
ITBO20110258A1 (it) 2011-05-09 2012-11-10 Gd Spa Unità di formazione di un cordone di tabacco in una macchina confezionatrice di sigarette.
ITUA20162843A1 (it) 2016-04-22 2017-10-22 Gd Spa Metodo di diagnosi del funzionamento di una macchina automatica che processa prodotti nell’industria del tabacco.
ITUA20162840A1 (it) * 2016-04-22 2017-10-22 Gd Spa Metodo diagnostico per analizzare il funzionamento di almeno una parte di una linea di confezionamento nell’industria del tabacco.

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JP7169184B2 (ja) 2022-11-10
EP3501300A1 (en) 2019-06-26
JP2019129819A (ja) 2019-08-08
PL3501300T3 (pl) 2021-01-25

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