EP3453660A1 - Verfahren und vorrichtung zum spleissen von bahnen - Google Patents

Verfahren und vorrichtung zum spleissen von bahnen Download PDF

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Publication number
EP3453660A1
EP3453660A1 EP17306156.5A EP17306156A EP3453660A1 EP 3453660 A1 EP3453660 A1 EP 3453660A1 EP 17306156 A EP17306156 A EP 17306156A EP 3453660 A1 EP3453660 A1 EP 3453660A1
Authority
EP
European Patent Office
Prior art keywords
web
cutting
during
station
advancement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17306156.5A
Other languages
English (en)
French (fr)
Other versions
EP3453660B1 (de
Inventor
Nicolas Chomel
Mattia Giuliani
Raffaele Pace
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sidel Participations SAS
Original Assignee
Sidel Participations SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sidel Participations SAS filed Critical Sidel Participations SAS
Priority to EP17306156.5A priority Critical patent/EP3453660B1/de
Publication of EP3453660A1 publication Critical patent/EP3453660A1/de
Application granted granted Critical
Publication of EP3453660B1 publication Critical patent/EP3453660B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/1826—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4615—Processing webs in splicing process after splicing
    • B65H2301/4617—Processing webs in splicing process after splicing cutting webs in splicing process
    • B65H2301/46174—Processing webs in splicing process after splicing cutting webs in splicing process cutting both spliced webs separately
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4621—Overlapping article or web portions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/515—Cutting handled material
    • B65H2301/5153—Details of cutting means
    • B65H2301/51532—Blade cutter, e.g. single blade cutter

Definitions

  • the present invention relates to a method for splicing webs, in particular webs of labeling material.
  • the present invention relates to a method for splicing a web in use with a new web without reducing the advancement speed of the web in use.
  • the present invention relates to an apparatus for splicing webs, in particular webs of labeling material.
  • the present invention relates to an apparatus for splicing a web in use with a new web without reducing the advancement speed of the web in use.
  • One typical label type is the so called "self-stick label", which is directly wrapped around at least part of the respective receptacle and glued thereto.
  • the application of this kind of label typically relies on advancing a web of labeling material towards a cutting station at which the single labels are obtained from the web of labeling material by cutting the web of labeling material at the cutting station.
  • These labels are often also referred to as roll-fed-labels.
  • sleeve label Another typical label type, used with in particular beverage bottles or vessels, is the label commonly known as “sleeve label", which is formed in a tubular configuration and then applied onto the respective article.
  • the “sleeve label” is obtained from cutting a web of labeling material at a respective cutting station. Finally, after application of the "sleeve label” a heat shrinking operation is carried out to make the labels adhere onto the respective receptacles.
  • a further typical label type are the "pressure-sensitive labels” (PLS), which are removably attached on a base web and which are detached from the base web prior to being applied onto the respective receptacles.
  • PLS pressure-sensitive labels
  • a labeling machine comprises a labeling apparatus adapted to receive the web of labeling material, adapted to obtain single label sheets from the web of labeling material and adapted to apply the single label sheets onto the receptacles and a web conveying apparatus for providing for and for conveying the web of labeling material to the labeling apparatus.
  • a typical web conveying apparatus comprises a first reel unit for containing a first reel of wound-up web of labeling material and a conveying device for conveying the web of labeling material along a web advancement path from the first reel to labeling apparatus.
  • the conveying device is adapted to convey a web in use to the labeling apparatus.
  • a web conveying apparatus also comprises a second reel unit for containing a second reel of wound-up web of labeling material and a splicing unit for splicing the web of labeling material in use (the web of labeling material from the first reel) with a new web of labeling material (the web of labeling material from the second reel).
  • a typical splicing unit comprises a cutting assembly for cutting the web in use at a cutting station and a bonding assembly for bonding the new web of labeling material and the web of labeling material in use with one another at a bonding station.
  • the bonding station being arranged downstream from the cutting station along the web advancement path.
  • the bonding assembly comprises e.g. two pad elements one adapted to interact with the web in use and the other one adapted to interact with the new web.
  • each pad element is fluidically connected to an aspiration source.
  • the pad elements are adapted to linearly move from a rest position to an operative position for bringing the web of labeling material in use and the new web of labeling material into contact with one another.
  • a drawback is that it is required to slow down the advancement of the web in use (and therewith the labeling process) for executing the bonding of the web in use and the new web with one another.
  • the slowing down is undesired as the overall production time increases.
  • Such machines comprise a blow molding apparatus for producing the receptacles, a filling apparatus for filling the receptacles, a labeling apparatus for labeling the receptacles and a capping apparatus for closing the receptacles, all of which operating at the same processing speed (they are in a blocked configuration).
  • Number 1 in Figure 1 indicates as a whole a labeling machine adapted to apply label sheets onto receptacles 2 advancing along an advancement path P.
  • the labeling machine 1 comprises:
  • web 4 and web 5 each comprises a repeated pattern (not shown), in particular the repeated pattern defining the single label sheets obtainable from respectively web 4 and web 5. More specifically, web 4 and web 5 are provided with the same repeated pattern. In other words, web 4 and web 5 allow for application of the same label sheets onto receptacles 2.
  • web 4 and web 5 are of the type for providing for label sheets of the self-stick type, which become applied to receptacles 2 by means of an adhesive applied directly onto the label sheets and/or onto receptacles 2.
  • any other kind of web in particular any kind of web of labeling material, such as e.g. a web of labeling material having a base layer and a plurality of label sheets removably attached to the base layer (commonly known as "pressure-sensitive labels") or with a web of labeling material being of a heat-shrinkable material (for "sleeve lables").
  • any kind of web of labeling material such as e.g. a web of labeling material having a base layer and a plurality of label sheets removably attached to the base layer (commonly known as "pressure-sensitive labels") or with a web of labeling material being of a heat-shrinkable material (for "sleeve lables").
  • labeling apparatus 7 comprises:
  • web conveying and splicing apparatus 3 is adapted to splice a web in use and a new web to one another.
  • web 4 is the web in use
  • web 5 is the new web.
  • the new web becomes the web in use, as specifically shown in Figure 2e .
  • web conveying and splicing apparatus 3 comprises:
  • apparatus 3 also comprises a control unit 27 adapted to control at least operation of apparatus 3 itself.
  • control unit 27 is at least adapted to detect the respective pattern and/or a respective mark provided on web in use 4 and new web 5. Furthermore, control unit 27 is adapted to detect bonding element 20 applied to new web 5. As will be explained in more detail further below, control unit 27 is also adapted to activate bonding device 22 in function of an analysis on whether a possible activation of bonding device 22 leads to a correct or incorrect bonding of new web 5 with web in use 4.
  • web magazine unit 15 is adapted to removably receive a first reel 30 carrying wound-up web 4 and a second reel 31 carrying wound-up web 5.
  • unit 15 is adapted to receive and to house reel 30 and reel 31 at the respective station 17 and such that reel 30 and reel 31 are rotatable around respective central axes A, in particular axes A having a vertical orientation.
  • advancement device 16 is configured such that path R is distinct from path Q, in particular prior to bonding new web 5 with web in use 4.
  • path R and path Q are distinct from one another, in particular prior to activation of bonding device 22.
  • path R and path Q are parallel to each other at least in the area of bonding station 23.
  • advancement device 16 is adapted to advance web in use 4 at a working advancement speed of 20 to 320 meters per minute, in particular of 60 to 280 meters per minute.
  • Advancement device 16 is furthermore adapted to advance, in use, new web 5 at a splicing advancement speed equal to the working advancement speed of web in use 4.
  • device 16 is adapted to accelerate, in use, new web 5 to the splicing advancement speed equal to the working advancement speed.
  • device 16 is adapted to accelerate, in use, new web 5 to the splicing advancement speed equal to the working advancement speed from a resting position of new web 5 as will be described in more detail further below.
  • device 16 is adapted to accelerate, in use, new web 5 to the advancement speed equal to the working advancement speed so that, in use, during activation of bonding device 22 web in use 4 and new web 5 advance at the same speed, in particular at the same speed and the same pitch, along respectively path Q and path R.
  • advancement device 16 is also configured to advance web in use 4 and new web 5 at the same pitch (i.e. once new web 5 and web in use 4 are bonded to one another, the patterns provided on web in use 4 and new web 5 overlap one another).
  • advancement device 16 is also configured such that prior or during acceleration of new web 5 to the respective advancement speed the working advancement speed of web in use 4 is (substantially) not altered.
  • advancement device 16 by accelerating, in use, new web 5 to the splicing advancement speed equal to the unaltered working advancement speed it is possible to splice, in use, new web 5 to web in use 4 without influencing operation of labeling apparatus 7.
  • advancement device 16 comprises at least a first drive unit, in particular an electrical motor (not shown) and at least a second drive unit, in particular an electrical motor (not shown), each one adapted to actuate rotation of respectively reel 30 and reel 31 around the respective axis A.
  • device 16 comprises at least one collection device arranged at station 18 and being adapted to advance new web 5, in particular in collaboration with unit 15, along path R and to collect new web 5.
  • the collection device comprises a wind-up roller 32 arranged at station 18 and being rotatable around a central axis B.
  • the collection device also comprises at least one drive assembly, in particular an electrical motor (not shown), adapted to actuate rotation of roller 32 around axis B.
  • roller 32 is adapted to receive a new web 5, in particular a leading edge of new web 5. Roller 32 is also adapted to, in use, wind-up new web 5 with new web 5 advancing along path R.
  • new web 5 extends from reel 30 positioned at the respective station 17 to roller 32.
  • reel 31 positioned at the respective station 17 and roller 32 at least partially define in collaboration path R.
  • the drive assembly and the second drive unit are adapted to control and/or actuate advancement of new web 5 along path R, in particular by simultaneously actuating rotation of respectively roller 32 around axis B and reel 31 around axis A.
  • advancement device 16 also comprises a deflection assembly 33 adapted to deviate/deflect web in use 4 at a deflection station 34 downstream of bonding station 23 along path Q and/or to deviate/deflect new web 5 at deflection station 34 downstream of bonding station 23 along path R.
  • a deflection assembly 33 adapted to deviate/deflect web in use 4 at a deflection station 34 downstream of bonding station 23 along path Q and/or to deviate/deflect new web 5 at deflection station 34 downstream of bonding station 23 along path R.
  • deflection assembly 33 is adapted to deviate/deflect, in use, in particular prior to activation of cutting device 24 cutting new web 5 at station 26, web in use 4 so as to define a main portion Q1 of path Q and an auxiliary portion Q2 of path Q downstream of portion Q1 along path Q. Even more particular, portion Q2 and portion Q1 define an obtuse angle 35.
  • deflection assembly 33 comprises at least a guide element, in particular a deflection roller 36, adapted to guide at least web in use 4 at deflection station 34.
  • the guide element in particular deflection roller 36, is arranged, in particular rotatably arranged, at station 34.
  • web in use 4 is in position against the guide element, in particular deflection roller 36, at deflection station 34.
  • deflection assembly 33 also comprises a control group 37, in particular a pair of deflection rollers 38; and an actuation group (not shown) adapted to move control group 37, in particular the pair of guide rollers 38 into a direction D.
  • direction D being transversal to axes A (and to axes B); and direction D being also transversal to web in use 4.
  • direction D is also transversal to the direction of advancement of web in use 4.
  • the actuation group is adapted to control control group 37, in particular the pair of deflection rollers 38 between at least two lateral positions 39 and at least a central position 40.
  • deflection assembly 33 in particular the actuation group, is adapted to at least partially define path Q, in particular to define portion Q2, by defining the exact position of control group 37.
  • advancement device 16 also comprises a plurality of auxiliary rollers 41 interposed between stations 17 and respectively station 6 and station 18 along respectively path Q and path R.
  • application device 19 is configured to apply the respective bonding element 20 onto new web 5 with new web 5 being at rest (i.e. new web 5 is not advanced along path R, but extends between the respective station 17 and station 18).
  • application device 19 comprises a deposition assembly 43 containing or adapted to receive at least one, preferably a plurality, of bonding elements 20 and being adapted to place at least one bonding element 20 onto new web 5.
  • deposition assembly 43 is adapted to be controlled between a rest configuration at which deposition assembly 43 is idle (on rest) and an operative configuration at which deposition assembly 43 is designed to place the respective bonding element 20 onto new web 5.
  • application device 19 also comprises a counter surface 44 adapted to cooperate with deposition assembly 43 for securely applying the respective bonding element 20 onto new web 5.
  • counter surface 44 and deposition assembly 43 are arranged such that new web 5 is interposed between counter surface 44 and deposition assembly 43.
  • deposition assembly 43 when being in the operative configuration is adapted to apply bonding element 20 to new web 5 and to exert a force towards counter surface 44 so as to bring new web 5 into contact with counter surface 44.
  • bonding device 22 comprises at least a first interaction assembly 45 adapted to interact with web in use 4 and at least a second interaction assembly 46 adapted to interact with new web 5.
  • interaction assembly 45 and interaction assembly 46 are adapted to approach in collaboration with one another web in use 4 and new web 5 towards one another at station 23 and to sandwich web in use 4, bonding element 20 and new web 5 in between themselves for adhesively coupling web in use 4 and new web 5 to one another.
  • interaction assembly 46 is adapted to move new web 5 towards web in use 4 and interaction assembly 45 is adapted to at least contact web in use 4 and, preferably, to also move web in use 4 towards new web 5, in particular for coupling, in use, bonding element 20 also to web in use 4.
  • interaction assembly 45 and interaction assembly 46 each comprise a respective interaction roller 47 rotatable around a respective central axis C and a respective actuation group 48 adapted to move the respective interaction roller 47 to or away from bonding station 23, in particular for moving respectively web in use 4 and new web 5 towards bonding station 23.
  • interaction assembly 45 and interaction assembly 46 each comprise a respective driving assembly configured to rotate the respective interaction roller 47 around the respective axis C, in particular such that the surface speed of the respective interaction roller 47 (substantially) equals the working advancement speed of web in use 4 (and the advancement speed of new web 5).
  • cutting device 24 comprises:
  • cutting assembly 50 comprises:
  • actuation group is adapted to accelerate blade element 56 to a speed (substantially) equal to the working advancement speed, in particular so that blade element 56, in use, cuts web in use 4 when advancing at a speed being at least substantially identical to or higher than the working advancement speed of web in use 4, preferentially the speed being substantially identical to the working advancement speed.
  • each cutting assembly 50 is also configured in such a manner that the respective blade element 56 advances in the moment of cutting web in use 4 at cutting station 25 into a direction, which is substantially identical to the advancement direction of web in use 4. Thereby, the respective blade element 56 does not necessarily advance parallel to the advancement direction of web in use 4.
  • cutting assembly 50 also comprises a counter surface element 57, in use, arranged in the area of cutting station 25 and adapted to cooperate with blade element 56 for cutting, in use, web in use 4 at cutting station 25.
  • carrier structure 55 comprises a rotatable shaft portion 58 being coaxially arranged to axis E and being coupled to the actuation group of assembly 24;
  • carrier structure 55 also comprises a further wing portion 60 connected to shaft portion 58 and protruding away from shaft portion 58.
  • wing portion 60 is similar to wing portion 59 and is designed such to guarantee that the center of gravity of carrier structure 55 is substantially positioned along axis E.
  • blade element 56 comprises a plurality of jaws 61 defining a jaw-like structure of blade element 53.
  • counter surface element 57 comprises a plurality of grooves 62 adapted to cooperate with jaws 61.
  • grooves 62 are complementary to jaws 61.
  • grooves 61 define a grooved structure of surface element 57 complementary to the jaw-like structure of blade element 56.
  • cutting assembly 50 also comprises a displacement assembly (not shown) adapted to move carrier structure 55 to or away from cutting station 25 for moving carrier structure 55 between a base position at which the respective blade element 56 is detached from cutting station 25 (blade element 56 is positioned such that any contact between web in use 4 and blade element 56 is avoided) and a cutting position at which the respective blade element 56 is placed at cutting station 25 (blade element 56 is adapted to cut web in use 4 at cutting station 25).
  • a displacement assembly (not shown) adapted to move carrier structure 55 to or away from cutting station 25 for moving carrier structure 55 between a base position at which the respective blade element 56 is detached from cutting station 25 (blade element 56 is positioned such that any contact between web in use 4 and blade element 56 is avoided) and a cutting position at which the respective blade element 56 is placed at cutting station 25 (blade element 56 is adapted to cut web in use 4 at cutting station 25).
  • the displacement assembly of cutting assembly 50 is adapted to move, in use, carrier structure 55 into a direction transversal, even more particular perpendicular, to web in use 4.
  • control unit 27 is adapted to control cutting assembly 50 at least into an active configuration, at which cutting assembly 50 is configured to cut web in use 4, or into an inactive configuration, at which cutting assembly 50 is detached from cutting station 25 (i.e. blade 56 is, in use, spaced apparat from web in use 4, so as not to cut web in use 4) by controlling the displacement assembly cutting assembly 50.
  • cutting assembly 50 is controlled into its active configuration with carrier structure 55 being positioned at the cutting position; and cutting assembly 50 is controlled into its inactive configuration with carrier structure 55 being positioned at the base position.
  • cutting assembly 50 also comprises a positioning assembly (not shown) adapted to move counter surface element 57 to or away from cutting station 25, in particular into a direction transversal, even more particular perpendicular, to web in use 4.
  • positioning assembly 64 is adapted to move counter surface element 57 to or away from web in use 4.
  • the positioning assembly is activated for defining the (correct) relative position between counter surface element 57 and blade element 56, in particular so that, in use, each jaw 61 penetrates into one respective groove 62 during the cutting of web in use 4.
  • control unit 27 is adapted to set cutting assembly 50 into at least a first operation mode and into a second operation mode.
  • control unit 27 is configured to control cutting assembly 50 into the inactive configuration prior to activation of cutting assembly 50 and into an intermediate configuration prior to controlling cutting assembly 50 into the active configuration.
  • the actuation assembly of cutting assembly 50 is activated for rotating blade element 56 around axis E and blade element 56 is still distanced from web in use 4.
  • blade element 56 rotates, but does not cut web in use 4. This allows, in use, to accelerate blade element 56 to the respective advancement speed being at least equal to the working advancement speed while allowing for continuously rotating blade element 56 around axis E.
  • cutting assembly 50 is controlled such that prior to the cutting carrier structure 55 is moved to the base position, the actuation assembly actuates rotation of carrier structure 55, in particular so that the advancement speed of blade 56 substantially equals the working advancement speed, and then carrier structure 55 is moved to the cutting position so that blade 56 cuts web in use 4.
  • control unit 27 is configured to control cutting assembly 50 such that prior to activation of rotation of blade element 56 (and of carrier structure 55), carrier structure 55 is arranged at the cutting position. Then, control unit 27 controls the actuation assembly to actuate rotation of blade element 56 around axis E. In particular, when carrier structure 55 is arranged at the cutting position, blade element 56 is arranged at an axial position (at a rest position), which allows to accelerate blade element 56 to the advancement speed substantially equal to the working advancement speed.
  • control unit 27 is also configured such that after cutting web in use 4 at cutting station 25 (both in the first operation mode and the second operation mode; i.e. independent of the operation mode) blade element 56 is decelerated, in particular blade element 56 is set to rest, even more preferably blade element 56 is decelerated by reducing the rotation speed of blade element 56 around axis E until the complete interruption of rotation of blade element 56 around axis E.
  • cutting assembly 51 is configured such to cut new web 5 in the area of, in particular at, deflection station 34, in particular while cooperating with deflection assembly 33, even more particular while cooperating with the guide element, in particular deflection roller 36.
  • cutting station 26 is arranged in the area of deflection station 34, in particular cutting station 26 and deflection station 34 are substantially identical.
  • new web 5 being spliced to web in use 4 at bonding station 23 comprises an auxiliary web portion 68, which is transversally oriented with respect to web in use 4, in particular, which extends from cutting station 26 (or deflection station 34) to collection station 18.
  • auxiliary web portion 68 protrudes away, in use, from web in use 4.
  • new web 5 is deflected at cutting station 26 such that auxiliary web portion 68 protrudes away from web in use 4.
  • auxiliary web portion 68 being transversally oriented with respect to web in use 4 guarantees the presence of a vertex (a cutting edge) so as to cut new web 5 at cutting station 26 at the vertex (and, thereby avoiding to cut web in use 4).
  • the vertex evolves in the area of deflection roller 36.
  • the vertex is at least partially defined by cooperation of web in use 4 with deflection roller 36.
  • new web 5 also comprises a main web portion 67 being at least partially parallel to web in use 4 between bonding station 23 and cutting station 26.
  • auxiliary web portion 68 extends from cutting station 26 to collection station 18 and main web portion 67 extends between bonding station 23 and cutting station 26.
  • main web portion 67 and auxiliary web portion 68 define a respective angle and the respective vertex is positioned at station 26 (and/or station 34).
  • path R of new 5 is dynamic (i.e. path R varies due to the advancement of web in use 4 along path Q, the coupling of new web 5 to web in use 4 and to the collection device, in particular to roller 32.
  • cutting assembly 51 comprises:
  • acceleration assembly 70 is adapted to accelerate blade member 69 such that blade member 69 cuts, in use, new web 5 tangential to deflection roller 36 at deflection station 34 and/or cutting station 26.
  • acceleration assembly 70 is configured such that the advancement speed of blade member 69 is at least equal to the splicing advancement speed (advancement speed of new web 5), preferably larger than the splicing advancement speed of new web 5 at the moment of cutting new web 5.
  • acceleration assembly 70 is also adapted to decelerate blade member 69 after cutting of new web 5.
  • acceleration assembly 70 comprises:
  • linear motor 71 is adapted to accelerate and to advance support structure 72 for accelerating and advancing blade member 69.
  • support structure 72 comprises a longitudinal main portion 73 extending parallel to a main body 74 of linear motor 71; and a transversal portion 75 transversally arranged to main portion 73 and carrying blade member 69.
  • control unit 27 comprises at least a first detection sensor 77 adapted to detect a pattern and/or a mark provided on new web 5 at a detection station 78 upstream of bonding station 23 along path R.
  • control unit 27 also comprises at least a second detection sensor 79 adapted to detect a pattern and/or a mark provided on web in use at a detection station 80 upstream of bonding station 23 along path Q.
  • detection sensor 77 is also adapted to detect bonding element 20 applied onto new web 5.
  • control unit 27 is adapted to calculate and/or to predict:
  • a correct splicing is a splicing of new web 5 and web in use 4 so that the respective patterns of web in use 4 and new web 5 correctly or incorrectly overlap.
  • the correct overlap is when the respective patterns substantially match each other and the incorrect overlap is when the patterns do not match each other. In other words, web in use 4 and new web 5 have the same pitch.
  • Control unit 27 is also adapted to calculate and/or to predict the correct or incorrect splicing based on the pattern and/or mark detected, in use, by detection sensor 79.
  • control unit 27 is adapted to activate bonding device 22 for splicing web in use 4 and new web 5 with one another in case of calculating and/or to predicting a correct splicing and it is adapted not to activate bonding device 22 in the case of calculating and/or to predicting an incorrect splicing. In this way, it is ensured that, in use, no erroneous splicing occurs.
  • control unit 27 is also adapted not to activate cutting device 24, in particular cutting assembly 50 and cutting assembly 51, in the case of control unit 27 calculating and/or to predicting, in use, an incorrect splicing.
  • machine 1 applies label sheets onto receptacles 2 advancing along path P.
  • apparatus 7 advances receptacles 2 along path P and simultaneously receives web in use 4 at station 6, cuts web in use 4 into single label sheets and applies the single label sheets on the respective receptacles 2.
  • apparatus 3 advances web in use 4 to delivery station 6. Even more particular, web in use 4 advances along path Q from station 17 to station 6.
  • Web in use 4 is provided within magazine unit 15, in particular web in use 4 is wound-up onto reel 30. As after a given time web in use 4 exhausts, in order to extend operation of machine 1 without interruption, a splicing process of new web 5 to web in use 4 is activated.
  • the splicing process of new web 5 to web in use 4 comprises:
  • the splicing process also comprises:
  • the splicing comprises the web in use cutting phase and the new web cutting phase.
  • the splicing process also comprises:
  • advancement device 16 advances web in use 4 along path Q.
  • the first drive unit of advancement device 16 actuates rotation of reel 30 around the respective axis A.
  • the working advancement speed remains substantially unvaried.
  • a deflection sub-phase is executed during which deflection assembly 33 is controlled such that web in use 4 is deflected at station 34 so that web in use 4 advances portions Q1 and Q2 which define an obtuse angle 35.
  • the deflection sub-phase is at least executed prior to the new web cutting phase.
  • deflection sub-phase control group 37 is positioned such that web in use 4 is in contact with deflection roller 36 at deflection station 34.
  • the second advancement phase advancement device 16 advances new web 5 at the splicing advancement speed along path R.
  • an acceleration sub-phases is executed during which new web 5 is accelerated to the splicing advancement speed along path R.
  • the acceleration sub-phase is executed during start of the second advancement phase.
  • acceleration sub-phase advancement device 16 accelerates new web 5 to the splicing advancement speed which is substantially identical to the working advancement speed and advancement device 16 advances new web 5 along path R.
  • new web 5 is wound-up from reel 31 and is wound-on onto roller 32.
  • the second drive unit of advancement device 16 actuates rotation of reel 31 around the respective axis A and the drive assembly of the collection device actuates rotation of roller 32 around axis B.
  • new web 5 is continuously advanced at the splicing advancement speed being substantially identical to the working advancement speed.
  • the splicing advancement speed equals the working advancement speed during the execution of the bonding phase.
  • the bonding phase is executed such that the respective patterns of new web 5 and web in use 4 match one another after bonding of new web 5 and web in use 4.
  • bonding device 22 approaches web in use 4 and new web 5 at bonding station 23 to one another until bonding element 20 also adheres to web in use 4.
  • interaction assembly 45 and interaction assembly 46 move web in use 4 and new web 5 towards one another, in particular interaction assembly 45 moves web in use 4 towards new web 5 and interaction assembly 46 moves new web 5 towards web in use 4.
  • interaction rollers 47 rotate around the respective axes C and the respective actuation group 48 moves the respective interaction rollers 47 towards one another.
  • interaction rollers 47 rotate at speeds so that the respective surface speeds equal the working advancement speed and the splicing advancement speed.
  • the web in use cutting phase is executed during or after the bonding phase.
  • cutting assembly 51 cuts web in use 4 at cutting station 25 by the respective blade element 56.
  • blade element 56 advances at the respective advancement speed being at least substantially equal to the working advancement speed, preferentially being equal to the working advancement speed.
  • blade element 56 advances at least during the cutting of web in use 4 into a direction, which is substantially identical to the advancement direction of web in use 4.
  • the respective blade element 56 does not necessarily advance parallel to the advancement direction of web in use 4.
  • blade element 56 rotates around axis E, in particular at a rotation speed so that the respective blade element 56 advances at the speed being at least substantially identical to the working advancement speed.
  • the actuation assembly of cutting assembly 50 actuates rotation of carrier structure 55 around axis E so that blade element 56 cuts web in use 4, in particular in cooperation with counter surface element 57.
  • cutting assembly 50 is controlled by control unit 27 to operate in the first operation mode or the second operation mode.
  • cutting assembly 50 is controlled such that prior to the cutting of web in use 4 carrier structure 55 is moved to the base position, the actuation assembly actuates rotation of carrier structure 55 (cutting assembly 50 is set into the intermediate configuration), in particular so that the respective advancement speed of blade 56 substantially equals the working advancement speed, and then carrier structure 55 is moved to the cutting position so that blade 56 cuts web in use 4.
  • control unit 27 controls cutting assembly 50 such that prior to activation of rotation of blade element 56 (and of carrier structure 55), carrier structure 55 is arranged at the cutting position. Then, control unit 27 controls the actuation assembly to actuate rotation of blade element 56 around axis E. In particular, when carrier structure 55 is arranged at the cutting position, blade element 56 is arranged at the axial position so that the acceleration of blade element 56 leads to the respective advancement speed of the blade element 56 being substantially equal to the working advancement speed at least in the moment of cutting web in use 4.
  • blade element 56 is decelerated, in particular blade element 56 is set to rest, even more preferably blade element 56 is decelerated by reducing the rotation speed of blade element 56 around axis E until the complete interruption of rotation of blade element 56 around axis E.
  • the new web cutting phase is executed during or after the bonding phase, preferentially after the bonding phase.
  • cutting assembly 51 cuts new web 5 at cutting station 26.
  • blade member 69 is accelerated, in particular by acceleration assembly 70, from the respective rest position towards and through cutting station 26, in particular so that blade member 69 advances at an advancement speed being at least equal to, preferentially higher than the splicing advancement speed of new web 5 (and the working advancement speed of web in use 4) at the moment of cutting new web 5 at station 26.
  • blade member 69 is accelerated along path S, in particular being linear, into a direction being substantially identical to the advancement direction of web in use 4.
  • blade member 69 is not necessarily parallel to web in use 4. This leads to a significant reduction of detaching bonding element 20 from new web 5 and/or web in use 4 when compared to a cutting against the advancement direction of web in use 4 and new web 5.
  • blade member 69 advances parallel to web in use 4.
  • blade member 69 advances parallel to web in use 4 for a certain time needed to decelerate blade member 69.
  • new web 5 has auxiliary web portion 68 being transversal to web in use 4 and blade member 69 cuts new web 5 at the vertex, which results from auxiliary web portion 68 protruding away from web in use 4 at cutting station 26.
  • new web 5 is cut by blade member 69 at the vertex while cooperating with deflection roller 36.
  • new web 5 is deflected away from web in use 4 at cutting station 26.
  • blade member 69 advances transversal to portion Q1 of path Q and during a second sub-phase of the new web cutting phase blade member 69 advances parallel to portion Q2 of path Q.
  • main web portion 67 and auxiliary web portion 68 define the respective angle with one another and the respective vertex is positioned at cutting station 26 (and at deflection station 34). I.e. blade member 69 cuts new web 5 at the respective vertex from which auxiliary web portion 68 and main web portion 67 extend.
  • blade member 69 cuts new web 5 tangential to roller 36 at deflection station 34.
  • blade member 69 cuts new web 5 at deflection station 34 when auxiliary web portion 68 extends from station 34 to collection station 18.
  • linear motor 71 accelerates and advances blade member 69 along path S, in particular path S being substantially parallel to portion Q2 of path Q. Even more specifically, linear motor 71 accelerates blade member 69 by accelerating support structure 72.
  • the splicing operation further comprises an analyzes phase, in particular executed prior to the bonding phase, during which it is calculated and/or predicted whether after execution of the bonding phase the new web and the web in use would result in a correct or incorrect splicing.
  • an analyzes phase in particular executed prior to the bonding phase, during which it is calculated and/or predicted whether after execution of the bonding phase the new web and the web in use would result in a correct or incorrect splicing.
  • control unit 27 calculates and/or predicts whether the respective patterns of new web 5 and web in use 4 would match if the bonding phase is executed (correct splicing) or they would not match if the bonding phase is executed (incorrect splicing).
  • At least detection sensor 77 detects the pattern and/or the mark on new web 5 and bonding element 20, in particular the relative positioning of bonding element 20 with respect to the pattern and/or the mark.
  • control unit 27 calculates and/or predicts whether execution of the bonding phase would result in a correct or incorrect splicing, in particular whether the respective patterns of web in use 4 and new web 5 would match one another or not:
  • the calculation and/or the prediction is also based on the pattern and/or mark detected by detection sensor 79.
  • the bonding phase will not be executed. In such a case also the web in use cutting phase and the new web cutting phases will not be executed. Then, the splicing operation will be repeated until web in use 4 and new web 5 are bonded to one another.
  • the bonding phase and the web in use cutting phase and the new web cutting phase are regularly executed.
  • the splicing operation also comprises a positioning phase executed after the application phase and prior to the acceleration and advancement phase during which new web 5 is advanced to position bonding element 20 at a starting position, in particular upstream of bonding station 23, even more particular interposed between bonding station 23 and the respective station 17, along path R.
  • control unit 27 controls positioning of bonding element 20, in particular based on the relative position of the pattern and/or the mark on new web 5 and bonding element 20 as detected by detection sensor 77.
  • the starting position is chosen such to guarantee that the respective patterns of web in use 4 and new web 5 match once web in use 4 and new web 5 are bonded to one another.
  • the starting position is also chosen such that the splicing advancement speed of new web 5 is identical to the working advancement speed of web in use 4 when executing the bonding phase.
  • positioning of bonding element 20 is such that execution of the bonding phase and the execution of the acceleration and advancement phase lead to a bonding of web in use 4 and new web 5 such that the respective patterns match.
  • positioning of bonding element 20 is to ensure that the risk that the calculation and/or prediction of an incorrect splicing during the prediction phase is limited.
  • web 4 becomes the web in use and is further advanced to station 6.
  • a loading phase is executed during which a new reel 30 having a wound-up web 4 is placed at the respective station 17. Then web 4 is arranged in the manner as described above between station 17 and station 18 so that web 4 is ready to be spliced to web 5. In other words, web 4 becomes the new web.
  • the splicing of web 4 to web 5 is then executed according to the above described phases at the appropriate moment.
  • an advantage of apparatuses 3 resides in cutting of web in use 4 and new web 5 by respectively cutting assembly 50 and cutting assembly 51, which reduce tensional forces acting on respectively web in use 4 and new web 5 at the moment of cutting, in particular as the respective blade cutting web in use 4 and new 5 advance at a speed themselves which equals at least the working advancement speed.
  • Another advantage is that as blade element 56 of cutting assembly 50 cutting web in use 4 advances in the moment of cutting at the same speed as the web in use 4 it is possible to perform the splicing process without reducing the working advancement speed (and the splicing advancement speed).
  • a further advantage is that as blade member 69 advances at the moment of the cutting of new web 5 at a speed being higher than the splicing advancement speed (and therewith also of the working advancement speed) guaranteeing thereby to maintain the splicing advancement speed and the working advancement speed.
  • blade member 56 advances at the moment of cutting web in use 4 into the same direction as web in use 4 no forces into the opposite direction act onto web in use 4 during its cutting.

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  • Replacement Of Web Rolls (AREA)
EP17306156.5A 2017-09-07 2017-09-07 Verfahren zum spleissen von bahnen Not-in-force EP3453660B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17306156.5A EP3453660B1 (de) 2017-09-07 2017-09-07 Verfahren zum spleissen von bahnen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17306156.5A EP3453660B1 (de) 2017-09-07 2017-09-07 Verfahren zum spleissen von bahnen

Publications (2)

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EP3453660A1 true EP3453660A1 (de) 2019-03-13
EP3453660B1 EP3453660B1 (de) 2020-12-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109989972A (zh) * 2019-04-17 2019-07-09 嘉兴济铭商贸有限公司 一种背光模组卡合机构
CN112141780A (zh) * 2019-06-26 2020-12-29 虹霓机械制造有限公司 连接两个分别从筒管上退绕的材料幅面用的装置和方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1601601A2 (de) * 2003-03-13 2005-12-07 Fabio Perini S.p.A. Eine abwickelvorrichtung für rollen von bahnmaterial mit zeitweiser speicherung für das abgewickelte material in der phase des rollenwechsels und dazugehöriges verfahren
US6978816B1 (en) * 2004-12-17 2005-12-27 The Procter & Gamble Company Method and apparatus for splicing a web material
EP1694592A1 (de) * 2003-11-28 2006-08-30 RENT S.r.l. Mit einer vorrichtung zum spleissen der abzuwickelnden bahnen versehene doppelabwickeleinheit für rollen aus bahnförmigem material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1601601A2 (de) * 2003-03-13 2005-12-07 Fabio Perini S.p.A. Eine abwickelvorrichtung für rollen von bahnmaterial mit zeitweiser speicherung für das abgewickelte material in der phase des rollenwechsels und dazugehöriges verfahren
EP1694592A1 (de) * 2003-11-28 2006-08-30 RENT S.r.l. Mit einer vorrichtung zum spleissen der abzuwickelnden bahnen versehene doppelabwickeleinheit für rollen aus bahnförmigem material
US6978816B1 (en) * 2004-12-17 2005-12-27 The Procter & Gamble Company Method and apparatus for splicing a web material

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109989972A (zh) * 2019-04-17 2019-07-09 嘉兴济铭商贸有限公司 一种背光模组卡合机构
CN112141780A (zh) * 2019-06-26 2020-12-29 虹霓机械制造有限公司 连接两个分别从筒管上退绕的材料幅面用的装置和方法
EP3757046A1 (de) * 2019-06-26 2020-12-30 Hauni Maschinenbau GmbH Vorrichtung und verfahren zum verbinden von zwei jeweils von einer bobine ablaufenden materialbahnen
EP3757046B1 (de) 2019-06-26 2023-10-11 Körber Technologies GmbH Vorrichtung und verfahren zum verbinden von zwei jeweils von einer bobine ablaufenden materialbahnen
EP4282797A3 (de) * 2019-06-26 2024-01-10 Körber Technologies GmbH Vorrichtung und verfahren zum verbinden von zwei jeweils von einer bobine ablaufenden materialbahnen
CN112141780B (zh) * 2019-06-26 2024-07-26 柯尔柏技术有限责任公司 连接两个分别从筒管上退绕的材料幅面用的装置和方法

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