EP1334666A2 - Method and apparatus for transporting a paper web in a machine for the tobacco industry - Google Patents

Abstract

A wrapper strip (10) is guided along a conveyor path from a wrapping strip supply (17) to a garniture (20). The wrapper strip is fixed in preset position along the conveyor path. Independent claims are also included for the following: (a) a process for returning rod machine of tobacco processing industry to service; (b) a process for automatic start-up of rod machine of tobacco processing industry; (c) a process for emptying rod machine of tobacco processing industry; (d) a feed device for feeding wrapper strip; (e) an apparatus comprising feed device for feeding wrapper strip; and (f) a rod machine of tobacco processing industry.

Description

The invention relates to a method for operating a Machine of the tobacco processing industry.

The invention also relates to a device for Feeding at least one envelope strip to a feed element, that to the at least one envelope a strand of smokable material or filter material to the tobacco processing industry, with the Device on the at least one envelope dividing separating element comprises.

The invention further relates to a method for restarting a strand machine, at least an envelope strip to at least one strand of smokable Material or filter material of the tobacco processing Industry is supplied, whereby by means a strand conveyor the strand is brought up and up at least one carrying the at least one envelope strip Conveying element is supplied, strand and Envelope strips in a format for continuous wrapping of the strand are conveyed with the enveloping strip. The invention further relates to a method for emptying a rod machine, in particular a cigarette rod machine or a filter rod machine, being one in a corresponding device or Feeding device located envelope for Wrapping a strand of smokable material or Filter material from the tobacco processing industry at least is partially removed.

From DE 36 00 321 C2, which corresponds to US 4,648,409, is a paper web feeder for a machine for cigarette production known. in this connection is a suction drum for conveying at least one Paper web provided to a format tape. By means of a Actuator on which a knife is provided it is possible to cut the paper web then if after starting the cigarette making machine the not printed on the cigarette paper is more faulty. So with this device a so-called starting shot or the committee at the Restarting removed. When restarting or when restarting the machine Cigarette production is a manual intervention for Threading the paper web after a machine standstill necessary.

In cigarette rod production or filter rod production can still cause the problem that come when the cigarette rod production ends or filter strands wrapping paper in the machine remains so that this afterwards Commissioning or recommissioning removed must become. It is also when the envelope is torn and even when the Strand machine necessary, manually pull the envelope Feed the feed element so that the envelope strip too a format tape and finally promoted to a format becomes. Also in the aforementioned DE 36 00 321 C2 a manual feed after a production interruption necessary.

This is relatively time consuming and especially in the case of Two-strand machines disruptive and also leads to faulty Cigarette strands or filter strands. in this connection in particular, think of business interruptions, after which the envelopes regularly in appropriate Elements need to be threaded. Furthermore, it is disadvantageous that an unwanted tear in the envelope an undefined envelope length in the Machine can remain at a standstill.

It is an object of the invention to provide a method for operating a machine of the tobacco processing industry specify with which a reduction in the starting shot after stopping the machine.

It is also a specific object of the invention to Device for feeding at least one envelope strip to develop a feed element such that safe operation after a business interruption or a tear of the envelope, especially when Restart, is given. The resumption of the operation of a tobacco processing strand machine Industry is said to be particularly with little Time spent and done very safely. Furthermore, it is another specific object of the present invention, a corresponding procedure for restarting a strand machine and a method for emptying a rod machine, in particular a cigarette rod machine or a filter rod machine of to design the tobacco processing industry that these can be carried out quickly and safely.

This task is solved by a procedure for Operating a machine of the tobacco processing industry, at least one envelope strip being provided, for wrapping a strand of smokable material or filter material is used, the at least one Envelope on its conveyor path from a supply of envelopes to a format setup of the machine is fixed in at least one predeterminable position, to then be promoted from the predefinable position to become.

The invention is based on the idea of the invention, that to reduce the starting shot Fixing the supply of envelopes when the machine stops For example, in the event of a fault, a restart of the machine defined and without Loss of time due to manual threading of the envelope this can be made available again and can be promoted. This results in automation of the operation of the invention Machine of the tobacco processing industry.

In the context of this invention, fixing also means especially hold.

If preferably the step of fixing when stopping performed at least part of the machine little wrapping material is needed.

The fixation is preferably done after receipt a stop signal and / or a fault signal. The The further conveying step takes place in one embodiment the invention during or after starting at least a part or part of the machine which was stopped.

The at least one envelope strip is preferably in the machine, especially in a feed device fixed.

If the downstream part of the at least cut off an enveloping strip during or after fixing a defined start position of the Envelope material can be specified. The downstream arranged part of the at least one envelope strip not fixed in one embodiment of the invention. In in the latter case, it is preferably provided the downstream part of the envelope to remove the conveyor path before the fixed part of the Envelope is promoted, so that even less Starting shot is generated. Then for further funding preferably the fixation ended.

The object is further achieved by a device for Feeding at least one envelope strip to a feed element solved that the at least one envelope to a strand of smokable material or Supplies filter material to the tobacco processing industry, the device being the at least one Envelope dividing separating element comprises, the is further developed in that a fixing means is provided is, by means of which one end of the divided envelope is fixable.

The invention adopts the inventive idea peculiar that in the event of an interruption of the strand production the at least one envelope, for example Envelope strips, or in the case of a double strand machine two envelopes, defined, is then cut through to fix a part. When shutting down the strand machine can then the remaining and no more required envelope part from the machine safely removed, whereas when starting again or the Recommissioning of the strand machine not removed part of the envelope that was fixed, especially automatically, for the production of a Strands or several strands can be used.

In the context of this invention, the term includes fixing agents also the term holding element or holding device.

If in a preferred embodiment, each envelope a separating element is provided can be a very fast-working separating element can be provided. The separating element is preferably a knife. In a alternative embodiment, the separating element can also be a laser, which by means of at least one optical Elements a focused laser beam on the envelope brings so that this is severed. The focused laser beam can be movable, or fanned out as a line.

In a particularly preferred embodiment, this is Fixing means in the separating element comprises. This can For example, the knife can be provided with a holding surface that after cutting the envelope or during Cutting the envelope on the envelope one end with the pressure surface of the knife on further element, for example a counter bearing, presses so that the envelope is kept clamped accordingly. The fixing means is preferably a mechanical one Element, such as an element that has a corresponding Pressure surface includes. If the fixative with suction air which fixes one end of the split envelope a very quick to implement or solve Fixation possible.

The fixing means is preferably upstream of the Separating element arranged. Through this measure it is particularly simply the remaining envelope strip, the is no longer needed to remove from the machine.

Preferably there is an arrangement for feeding at least an envelope from at least one supply of envelopes to at least one strand of smokable Material or filter material of the tobacco processing Industry with at least one strand conveyor for Promote and pass the strand on at least a promoting the at least one envelope in particular load-bearing, conveyor element, the strand and Envelope strips in a format for continuous wrapping of the strand with the enveloping strip, thereby trained that between the at least one Envelope strip stock and the conveyor element a device of the type according to the invention or a device according to a preferred embodiment of the invention is provided.

It is also preferably a strand machine, in particular Filter rod machine or cigarette rod machine, with at least one device according to the invention or with an arrangement according to the invention such as described above.

The task is further accomplished by a restart process solved a strand machine, wherein at least one envelope to at least one strand made of smokable material or filter material from the tobacco processing industry Industry is supplied, whereby by means a strand conveyor the strand is brought up and up at least one carrying the at least one envelope strip or promoting conveying element is supplied, where strand and envelope strips to a format for continuous wrapping of the strand with the enveloping strip are promoted and the supply of at least an envelope happens automatically.

In the context of this invention, feeding means at least an envelope especially the transport one end of the envelope from one Envelope strip supply to the strand of smokable material or the corresponding transport of the separated part of an envelope. In particular, feeding is also required to the strand for restarting the strand machine meant. Under automatic is under this Invention in particular completely or exclusively automatically understood. Within the scope of this invention under the term recommissioning also the term Start understood.

The automatic feeding preferably takes place after a loosening of the at least one envelope at least at one end fixative and thus after the at least one envelope strip has been released. In this preferred embodiment of the The method according to the invention is based on the fact that a fixative when the strand machine is at a standstill is provided to fix an envelope, so that this in the following when the Machine can be fed automatically again. Here, the fixative, in particular, holds Holding element can be the envelope in one definable position. The feeding preferably takes place by means of a transport air flowing in the feed direction. Through this preferred embodiment of the The method according to the invention is a particularly simple one Given type of feeding. When the envelope is on a bobbin is arranged as a supply of enveloping strips the bobbin is driven in order not to pull too much or Need feeding force, by means of the envelope is fed towards the strand.

The task is further accomplished by a method of emptying a rod machine, in particular a cigarette rod machine or a filter rod machine solved, one in a feeder located enveloping strips for wrapping a strand smokable material or filter material of tobacco processing Industry at least partially removed the envelope strip in the feeder is separated and part of the envelope in the feeder is fixed while the other removed part removed from the feeder becomes. It is through the method according to the invention possible, defines a part of the envelope from the Remove strand machine so that when restarting or when restarting the strand machine this part of the envelope doesn't bother. Furthermore, it is possible defined by the inventive method and quickly after performing the drain procedure the strand machine the strand machine back in To put operation. Emptying is preferably done through a short-term operation of the strand machine and the associated promotion of the strand. The emptying can also be done using transport air or Compressed air happen.

Preferably, the method for emptying a Strand machine performed after receiving a stop signal. This stop signal can be sent, for example, if there are problems in the suction line conveyor of a cigarette rod machine there if, for example, too much or too little Tobacco is on the suction line conveyor. Furthermore, a stop signal is generated when the Envelope or an envelope happens.

If the fixing mechanically, in particular by means of a Fixative that happens is a particularly easy to use implementing process possible. When fixing by means of suction air, can be done very quickly and with little wear carried out the inventive method become. The separation is preferably one Cut off.

The invention is further achieved by a method for Operation of a strand machine solved, initially a Method according to the invention for emptying the strand machine Finds use and then a Process for restarting the strand machine, as described above, is used. in this connection becomes the automatic restart of a strand machine the envelope defined stopped and the part of the enveloping strip from the Disposed of the machine, with the particular The beginning of the envelope is provided and this is promoted back to the strand.

Fig. 1

eine schematische Seitenansicht eines Teils einer Zigarettenstrangmaschine, bei der Teile im Schnitt dargestellt sind,

Fig. 2

einen Teil der in Fig. 1 dargestellten Elemente in Seitenansicht und zwar in einer schematischen Schnittdarstellung, wobei ein anderer Verfahrenszustand im Vergleich zu Fig. 1 dargestellt ist,

Fig. 3

die Darstellung aus Fig. 2 in einem anderen Verfahrenszustand, und

Fig. 4

ein anderes Ausführungsbeispiel einer erfindungsgemäßen Zuführeinrichtung in einer schematischen Schnittdarstellung in Seitenansicht.

The invention is described below without restricting the general inventive concept on the basis of exemplary embodiments with reference to the drawings, to which reference is expressly made with regard to all details according to the invention not explained in detail in the text. Show it:

Fig. 1

1 shows a schematic side view of part of a cigarette rod machine, in which parts are shown in section,

Fig. 2

1 a part of the elements shown in FIG. 1 in a schematic sectional view, another process state compared to FIG. 1 being shown,

Fig. 3

2 in another process state, and

Fig. 4

another embodiment of a feed device according to the invention in a schematic sectional view in side view.

The same elements are used in the following figures the same reference numerals, so that from a will not be presented again.

Fig. 1 shows part of a cigarette rolling machine in a schematic representation, with some parts in a section are shown in a side view.

The part of the strand machine shown in Fig. 1 comprises in particular a feed device 1, by means of an envelope 10 in the form of cigarette paper of an envelope strip supply 17 in the form of a Bobine first a feed element 11 in the form of a Deflection roller can be fed, the envelope 10 in following above a counter bearing 31 in connection is brought with a tobacco rod 12, which means a strand conveyor belt 18 in Fig. 1 from right to on the left (in the direction of the arrow). For one effective take of the envelope beginning Applicant obtained patents, namely, for example, EP 0 595 118 B1, which corresponds to US 5,361,783. The revelation content these patents are intended to be fully incorporated into the Disclosure of this patent application may be included. Around when starting up or starting up the machine ensure that the beginning of the envelope 10 downstream of the pulley 11 from the associated one Format tape 19 and the associated strand 12 taken away was proposed in the patents mentioned, to provide a sliding element above the Counter bearing 31 is arranged, and that when feeding the Envelope beginning to reduce the distance between the strand conveyor belt 18 and the enveloping strip 10 can be activated. This sliding element is in the Figures not shown.

After reaching the format tape 19 around the pulley 30 is redirected and a format 20 for continuous Wrapping the strand 12 with the enveloping strip 10 is supplied, the frictional force ranges between the Format tape 19 and the envelope 10 from this in To transport continuous operation accordingly. In Fig. 1 is also in a schematic sectional view in Side view of the feeder 1 continued in the form of a knife 13 on a mounting plate 26 is attached, which by means of a Pneumatic cylinder 25 with rod guide linear across Direction of conveyance of the envelope 10 can be moved.

The knife 13 comes into active engagement with a Cutting edge 22 for cutting the envelope strip 10, such as is also shown schematically in Fig. 2. It is a counter bearing 24 is also provided, which with a spring 23 is biased and against which the pressure surface 14 suppressed. When cutting the envelope 10 on the Cutting edge 22 becomes one end of the enveloping strip 10 with the pressing surface 14 against a surface of the counter bearing 24 pressed and held the envelope 10. A cut and fix one end of the cut Envelope 10 happens, for example, in the event of problems with the suction line conveyor 18.

2, the feed device 1 is shown and in a state in which the envelope 10 was cut and accordingly an end 10 '' of Envelope 10 is clamped. After that becomes the upper part 10 'of the envelope, that is Part that is above the knife 13 or separating element 13, in this embodiment as a knife is designed, transported away. Instead of the knife 13 can also serve as a separating element 13, a laser device 32 serve with focusing optics. Then it's on one another way of fixing one end of the Envelope 10 to realize such as by Fixing agent, that shown in FIGS. 1 to 3 Fixer corresponds, but none Knife function is given. However, it can also be a other fixative such as shown in Fig. 4 is to be given. On this fixative is in following still received.

When restarting or restarting the Strand machine, on the one hand, transport air 21 in the Channel inserted through the base body 27 and the Cover 28 is defined. The transport air 21 is schematically represented by arrows in Fig. 3. The enveloping strip 10 or the upstream part before this conveying step 10 '' of the envelope strip 10 in the direction of the feed element 11 supplied or promoted. This can be done fully automatically happen.

When the stranding device is started up for the first time or in the event of a tear in the envelope strip upstream of the Separating element or fixative, it is necessary to Envelope 10 manually in the through the cover 28 and to introduce the base body 27 defined channel. For this a flap 29 is opened for a better possibility of intervention or threading option for an operator provided.

4 is another embodiment of the invention Feeding device 1 in a schematic Sectional view shown in side view. To the Fixing the envelope 10 is suction air 15 through the Suction air holes 16 passed, so that a fixation happens through the suction air. The separating element 13 can in this embodiment, a laser device 32 be with a focusing optics 33 or a knife 13, the however, is not shown in Fig. 4.

The feed device according to the invention is now so operated that an envelope 10 by means of a Separating element 13, 32, 33 is divided and by means of a Fixing means 13, 14, 16, 24 in the event of a business interruption or fixed when the strand machine stops becomes. The unfixed part of the envelope 10 becomes then removed from the machine by using the format tape 19 is moved out of the machine. at the strand machine is put back into operation Fixation released and the envelope strip automatically first fed to a feed element 11, then in Contact with a cigarette rod 12 or a filter rod to be brought, then one Feeding to a format 20 happens in the order of the Cigarette rod or the filter strip of the enveloping strips is wrapped.

The envelope can be removed with both small as well as with large cutting angles. in this connection can be a linear movement or a pivoting movement of the Separator or a combination of the two happen. In the case of a laser device with a Separating element comprising focusing optics, the focused laser beam panned or a laser beam generated that includes a linearly extended focus. The Fixing the envelope can be done by a kind Clamps or a vacuum or suction air or others Process both individually and in combination with the Disconnect. It is also possible the first time Thread the envelope so that the enveloping strip through an air flow into the feed device 1 is transported and there in one Preparation position is separated and held, so that with actual start-up or commissioning of the Strand machine an automatic feeding of the envelope can happen.

LIST OF REFERENCE NUMBERS

1

feeder

10

cigarette paper

10 '

downstream part of the cigarette paper

10 ''

upstream part of the cigarette paper

11

idler pulley

12

tobacco rod

13

knife

14

pressing surface

15

suction

16

suction bore

17

reel

18

Strand conveyor belt

19

format tape

20

format

21

transport air

22

cutting edge

23

feather

24

thrust bearing

25

Pneumatic cylinder with rod guide

26

mounting plate

27

body

28

cover

29

flap

30

idler pulley

31

thrust bearing

32

laser device

33

focusing optics

Claims (24)

Method for operating a tobacco processing machine Industry, with at least one envelope (10), which is used to encase a strand (12) smokable material or filter material is provided, on its way from an envelope supply (17) to a format device (19, 20) of the machine in at least one predeterminable position (14) is fixed, to then move from the predefinable position (14) to be promoted. A method according to claim 1, characterized in that the fixing step is carried out when stopping at least part of the machine. Method according to Claim 1 and / or 2, characterized in that the step of further conveying takes place during or after starting up at least part of the machine. Method according to one or more of claims 1 to 3, characterized in that the at least one enveloping strip (10) is fixed in the machine, in particular in a feed device (1). Method according to one or more of claims 1 to 4, characterized in that the downstream part (10 ') of the at least one envelope strip (10) is cut off during or after fixing. Method according to claim 5, characterized in that the downstream part (10 ') of the enveloping strip (10) is removed from the conveying path before the fixed part (10'') of the enveloping strip (10) is conveyed further. Method for restarting a strand machine, at least one wrapping strip (10) being fed to at least one strand (12) made of smokable material or filter material of the tobacco processing industry, the strand (12) being conveyed up by means of a strand conveyor (18) and onto at least one of the at least one a conveying element (19) promoting an enveloping strip (10) is fed, the strand (12) and enveloping strip (10) being conveyed to a format (20) for continuously enveloping the strand (12) with the enveloping strip (10), characterized in that the at least one envelope strip (10) is fed automatically. Method according to one or more of claims 1 to 7, characterized in that the supply takes place by means of transport air (21) flowing in the supply direction. Method according to Claim 7 and / or 8, characterized in that the automatic feeding takes place after a fixing means (13, 14, 16) fixing the at least one envelope strip (10) is released and thus the at least one envelope strip (10) is released. Method for automatically starting a strand machine, especially a cigarette rod machine or a filter rod machine comprising a method according to one or more of claims 7 to 9. Method for emptying a rod machine, in particular a cigarette rod machine or filter rod machine, wherein an enveloping strip (10) located in a feed device (1) for covering a rod (12) made of smokable material or filter material from the tobacco processing industry is at least partially removed, characterized in that the wrapping strip (10) is separated in the feed device (1) and that part of the wrapping strip (10) is fixed in the feed device (1) while the other separated part is removed from the feed device (1). Method according to one or more of claims 1 to 6 or 11, characterized in that the fixing takes place mechanically, in particular by means of a fixing means (13, 14, 16). Method according to one or more of claims 1 to 6, 11 or 12, characterized in that the fixing takes place by means of suction air (15). Method according to one or more of claims 1 to 6 or 11 to 13, characterized in that the cutting off is a cutting off. Method for operating a strand machine, wherein first a process for emptying the strand machine according to one or more of claims 11 to 14 use takes place, and then for recommissioning the strand machine a method according to a or more of claims 7 to 10 is used. Device for feeding at least one wrapping strip (10) to a feed element (11) which feeds the at least one wrapping strip (10) to a strand (12) of smokable material or filter material of the tobacco processing industry, the device feeding the at least one wrapping strip (10 ) dividing separating element (13), characterized in that a fixing means (13, 14, 16) is provided, by means of which one end of the divided enveloping strip (10) can be fixed. Feed device according to claim 16, characterized in that a separating element (13) is provided for each envelope strip (10). Feed device according to claim 16 and / or 17, characterized in that the separating element (13) is a knife. Feed device according to one or more of claims 16 to 18, characterized in that the fixing means (13, 14, 16) is included in the separating element (13). Feed device according to one or more of claims 16 to 19, characterized in that the fixing means (13, 14, 16) is a mechanical element. Feed device according to one or more of claims 16 to 20, characterized in that the fixing means (13, 14, 16) fixes one end of the divided envelope strip (10) by means of suction air (15). Feed device according to one or more of claims 16 to 21, characterized in that the fixing means (14, 16) is arranged upstream of the separating element (13). Arrangement for supplying at least one envelope strip (10) from at least one envelope strip supply (17) to at least one strand (12) made of smokable material or filter material of the tobacco processing industry with at least one strand conveyor (18) for conveying and transferring the strand (12) to at least one the at least one envelope strip (10) conveying conveyor element (19), the strand (12) and envelope strips (10) to a format (20) for the continuous wrapping of the strand (12) with the envelope strip (10), characterized in that A device (1) according to one or more of claims 16 to 22 is provided between the at least one envelope strip supply (17) and the conveying element (19). Strand machine, in particular filter strand machine or cigarette rod machine, with at least one device according to one or more of claims 16 to 22, or with an arrangement according to claim 23.

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