EP0604633B1 - Vielzwecksvorrichtung zum verbinden, kalandern, schneiden und wieder aufwickeln von folienbahnen - Google Patents

Vielzwecksvorrichtung zum verbinden, kalandern, schneiden und wieder aufwickeln von folienbahnen Download PDF

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Publication number
EP0604633B1
EP0604633B1 EP93916153A EP93916153A EP0604633B1 EP 0604633 B1 EP0604633 B1 EP 0604633B1 EP 93916153 A EP93916153 A EP 93916153A EP 93916153 A EP93916153 A EP 93916153A EP 0604633 B1 EP0604633 B1 EP 0604633B1
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EP
European Patent Office
Prior art keywords
tape
cutter
knife
sheets
support
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.)
Expired - Lifetime
Application number
EP93916153A
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English (en)
French (fr)
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EP0604633A1 (de
Inventor
Bruno Losi
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Individual
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Individual
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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
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/14—Associating sheets with webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/02—Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags

Definitions

  • the present invention relates to a multifunctional machine for the joining, calendering, cutting and rewinding of adhesive or nonadhesive paper or plastic films in the form of continuous strips or in sheets and in particular, but non exclusively, for the automatic joining of an adhesive application tape to sheets of cut out labels or to a tape of prespaced cut out labels.
  • the film bearing the writing and the designs of the label is applied by means of a biadhesive tape to a silicon-coated support sheet. Subsequently, by means of appropriate and known techniques of die-cutting, the film is cut around the writing and the designs allowing the scrap, that is the unutilized film, to be removed.
  • the label After the removal of the unused film, which can be carried out manually or mechanically by means of a machine produced by the same applicant (Italian patent application No.FI/91/A/86), the label is covered with a transparent or semitransparent adhesive film the adhesive force of which is greater than that existing between the label and the silicon-coated support.
  • a transparent or semitransparent adhesive film the adhesive force of which is greater than that existing between the label and the silicon-coated support.
  • the silicon-coated support with the writing and the designs of the label is cut into sheets of various dimensions corresponding to the dimensions of the label itself.
  • ducument FR-A-2 496 552 which describes a label producing machine of the type here in question.
  • One object of the present invention is to provide a machine which is able to accomplish contemporaneously several tasks among which those of joining, calendering, and cutting of two or more adhesive or nonadhesive paper or plastic films, and which is able to considerably increase the production rate and decrease the waste of material.
  • a particular object of the present invention is to provide a machine for automatic joining of the application tape to sheets of cut out labels.
  • the multifunctional machine characterized in that it comprises: a first idle support for a first reel of tape; a longitudinal cutter with a knife orthogonal to the support and in an adjustable position for cutting at any point along the entire width of the tape; a roller for pulling the tape as it unwinds from the reel; a sheet feeder positioned above a plane on which the tape coming from the pulling roller advances; a calender donwstream from the feeder to pull and press together the tape and the sheets placed in succession upon it; a transversal cutter downstream from the calender; a conveyor belt at the output downstream from the cutter for the rapid withdrawal of the resulting sheets; programmed control means in particular operating the intermittent rotation of the pulling roller of the calender in synchronism with the sheet feeder and with the cutter; sensing means provided for downstream from the cutter suited to signal said control means of the presence of the resulting sheets.
  • a second motorized support is provided for suited to operations of either rewinding or contemporaneous feeding of two tapes to the machine.
  • a multifunctional machine which accomplishes the objectives described above comprises a first idle support 1 for a first reel 2 of tape 3 unrolled by a pulling roller 4 located above the support 1.
  • a second support 5 is provided for a possible second reel 6 of tape 7 to be unrolled together with tape 3.
  • the support 5 has a motor in order to allow the possibly desirable rewinding of tape 3a left over from a previous utilization of the machine, whereas the support 1 is held braked by registrable frictions not shown.
  • cutters 8 and 9 with knives 10 are provided which operate orthogonally with respect to the reels 2 and 6 and cut longitudinally, one layer at a time, the tapes 3 and 7.
  • the supports 1 and 5 are preferably able to slide in a horizontal direction on coaxial guides 1a and 5a in such a way that they allow a simple and correct positioning of the reels 2 and 6 in particular when said reels are not as wide as the maximum width of the supports themselves.
  • a feeder 11 of sheets 12 Downstream from pulling roller 4 a feeder 11 of sheets 12 is provided for located above a plane 13 on which tape 3 advances.
  • the sheets 12 can for example be made of silicon-coated paper on which the writing and the designs of the labels on cut out adhesive film are applied.
  • the feeder 11 selectively supplies sheets 12 onto tape 3 below it in a way that the tape and each sheet move ahead joined towards a calender 15 composed of a lower roller 16 motorized in synchronism with the roller 4 by means of a toothed belt or a chain 17, and an upper roller 18 which can be pressed against the roller 16 in an adjustable way by means of a hand-wheel 19.
  • a transversal cutter 20 with a knife 21 which performs the cutting together with a opposing knife 22.
  • a conveyor belt 23 is provided stretched between two shafts 24 and 25, of which one is motor-driven, and is suited to the rapid withdrawal of resulting sheets 26 obtained from the joining and subsequent pressing together and cutting of the sheets 12 and the tape 3.
  • the length of the sheets 26 is determined by sensors 27 and 29 aligned in the direction of advancement of conveyor belt 23 and communicating, by means of a cable 28 to programmed control means, not shown, the arrival of the front edge of a sheet 26 thus causing the arrest of tape 3 and the operation of cutter 26. More precisely, when the front edge of tape 3 joined to sheet 12 moves in correspondence to sensor 27 the control means command a slowing of the advance which is followed by an arrest at the precise point of the passage of said front edge in correspondence with sensor 29.
  • the presence of only one sensor would not allow for a sufficiently precise cut due to the inertia of advancement, which would have made an instantaneous arrest impossible.
  • the two sensors 27 and 29 are mounted on one common support 28a adjustable in two directions in order to allow the cutting of sheets 26 of different lengths and widths.
  • conveyor belt 23 is composed of a plurality of belts 23a stretched between belt pulleys 31 fit on the shafts 24 and 25 and rotating at a speed considerably faster than the advancement of tape 3 pulled by the rollers 4 and 16.
  • the sensors 27 and 29 can be placed under conveyor belt 23 making possible a more precise signalling of the presence of sheet 26.
  • Small rollers 32 are provided for which are able to press sheet 26 against the belts 23a which, to avoid damaging the sheets, are made of a very smooth material, for example nylon. In this way, the adherence between the belt and the sheet is increased facilitating the detaching of the latter at the cutter.
  • cutter 20 has knife 21 inclined with respect to opposing knife 22 in order to obtain a perfect cut and avoid tears. This is necessary in particular because sheet 26 is composed of a silicon-coated support layer, an adhesive film and an application tape, all being relatively thin materials which require precision in cutting in order not to be damaged.
  • the operation of knife 21 with respect te opposing knife 22 is shown, as well as a screw 21a and a spring 21b which regulate the bending of knife 21 with respect to opposing knife 22 to adapt the cut to different types of material which the application tape and the label support can be made of.
  • a register 56 of the curvature of knife 21 is also provided for (figure 14).
  • the register 56 engages in the mid-point of a stick 57, fixed by means of screws 58 to the end of knife 21 on the side opposite the opposing knife 22, with one end pointing against the knife 21 bending it as a function of its turning with respect to the stick itself. Also the fulcrum 59 of knife 21 with respect to opposing knife 22 comprises registration means not shown.
  • cutter 8 (and similarly cutter 9) by means of knife 10 has the function of cutting with constant pressure tape 3 present on reel 2 cutting only one layer at a time on the side 2a of the reel, while leaving the side 2b complete for other utilization.
  • the removal of the layers 2a of the reel 2 leaves complete the portion 2b of reduced width and the portion 2c of the entire width.
  • a tape wider than that of portion 2b is needed, it is possible to rewind the portion 2b on second support 5 and utilize the entire tape 2c.
  • Knife 10 can slide along a bar 33 and can be locked into the desired position by means of screws 38. Knife 10 is sharpened only on the side 34 whereas the side 35 has a flat portion 35a, acting against the rolls of tape of the portion of reel 2b, and a receded portion 35b acting as a relief in order to avoid excessive friction against the rolls.
  • the pressure of the cutting edge 10 against the tape 3 is given by the tension of a spring 36 (figure 7) adjustable by rotation of an arm 37 pivotally connected to the bar 33 with the possibility of locking its position by means of a screw 38.
  • the cutter 8 can advantageously allow the placement, in the position shown by a dashed line in figure 7, of another knife 10a or the same knife 10, to allow the cutting on the reel 2 of a portion of tape 3 beginning from one end or the other of the reel 2 itself.
  • the cutter 8 comprises a knife 10, having an interchangeable blade 50, movably connected to an arm 51 by means of a screw 52.
  • the same knife 10 can be used as both left and right, and the change of position is made by loosening screw 52 and moving the knife to the position indicated by a dashed line.
  • two cylindrical springs 36 are also shown stretched between pins 53 and 54 and housed in two circumferentially grooved disks 55 provided for on the body of the cutter 8.
  • the arm 51 abuts alternatively against pin 53 and pin 54 when knife 10 is in the positions of figure 7, indicated respectively with a continuous and a dashed line.
  • the knife 50 has two blade edges 50a or 50b, as shown in figures 11 and 12.
  • the knife 50 is connected to a small wheel which allows for a constant sinking of the blades 50a and 50b into the tape to be cut.
  • the machine according to the invention can also be utilized for joining the tape to a continuous strip of "prespaced” labels or labels printed by a computer or serigraphed continuously on an adhesive film placed on a silicon-coated support possibly already cut and separated from the scrap.
  • the joining of the two tapes 3 and 7, besides being able to be carried out as shown in figure 1, can also be executed according to a different embodiment of the invention (figure 15), wherein an auxiliary support 60 is provided for mounted with rapid locking means 61 on the plane 13 directly upstream from the calender 15.
  • the reel 2 can therefore be mounted on the auxiliary support 60 and unrolled and stopped intermittently by a friction 62 in such a way that the joining of the adhesive face 3b of tape 3 to tape 7 of prespaced labels occurs in correspondence to calender 15.
  • This operation can in many cases be preferable due to the imperfect flatness of the silicon-coated paper combined with tape 7, due to a residual curvature caused by the previous rolling of the reel 6 of tape 7 itself.
  • Said residual curvature which causes the formation of bubbles and other inevitable defects even following the strong pressing carried out by the calender 15, is on the contrary eliminated by the passage under a guide plate 63 fixed to plane 13 and the immediately subsequent calendering together with the contemporaneous joining of the application tape.
  • Figure 1 also shows: a control board 40 with display 41 suited to visualize the type of operative program in course; a base 42 with a door 43 for access to the motors and to the programmed control means; a pedal switch 44 for manual positioning; an auxiliary sheet feeder 45 and a belt 46 bringing into rotation the second support 5.
  • the multifunctional machine accomplishes the predetermined objects and that is: carrying out the functions of joining the application tape to the cut out sheets for labels in an automatic way and at a high production rate; cutting of the reels of tape at the input in order to optimize the material utilized; possibility of quick rewinding of the unused tape by means of a second motorized support 5, joining of two continuous tapes 3 and 7, of which one is for example biadhesive or bearing the prespaced labels.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Adhesive Tape Dispensing Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Adhesive Tapes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (10)

  1. Mehrzweckmaschine zum Verbinden, Kalandern, Schneiden und Wiederaufwickeln von klebenden oder nicht klebenden Filmen aus Papier oder Kunststoff, insbesondere jedoch nicht ausschließlich zum automatischen Verbinden eines klebenden Bandes (3) mit Bögen (12) aus ausgeschnittenen Aufklebern oder mit einem Band (7) aus voneinander beabstandeten, ausgeschnittenen Aufklebern, dadurch gekennzeichnet, daß die Mehrzweckmaschine enthält:
    - eine erste lose Lagerung (1) für eine erste Rolle (2) des Bandes (3);
    - einen Längsschneider (8) mit einem Messer (10), das rechtwinklig zur Lagerung (1) angeordnet und entlang der gesamten Breite des Bandes (3) zum Schneiden desselben verstellbar ist;
    - eine Abzugsrolle (4) zum Abrollen des Bandes (3) von der Rolle (2);
    - eine Zuführvorrichtung (11) für die Bögen (12), die oberhalb einer Ebene (13) angeordnet ist, auf der das von der Abzugsrolle (4) kommende Band (3) transportiert wird;
    - einen in Transportrichtung gesehen hinter der Zuführvorrichtung (11) angeordneten Kalander (15) zum Abziehen und Verpressen des Bandes (3), das mit den nacheinander auf dem Band angeordneten Bögen (12) verbunden ist;
    - einen Querschneider (20), der in Transportrichtung gesehen hinter dem Kalander (15) angeordnet ist;
    - ein Transportband (23), daß in Transportrichtung gesehen hinter dem Querschneider (20) angeordnet ist und das zum schnellen Entfernen der am Ausgang des Kalanders (15) entstehenden und vom Band (3) durch den Querschneider (20) abgetrennten Bögen (26) geeignet ist;
    - eine Programmsteuerung, insbesondere zum Steuern der intermittierenden Drehung der Abzugsrolle (4) und des Kalanders (15) synchron mit der Zuführvorrichtung (11) und dem Querschneider (20);
    - eine Sensorvorrichtung (27, 29), die in Transportrichtung gesehen hinter dem Querschneider (20) angeordnet, elektrisch mit der Steuerung verbunden und die geeignet ist, die Anwesenheit eines der entstehenden Bögen (26) zu signalisieren und das maßhaltigen Abtrennen der Bögen (26) durch den Querschneider (20) zu steuern.
  2. Mehrzweckmaschine nach Anspruch 1, dadurch gekennzeichnet, daß das Transportband (23) eine Vielzahl dünner, paraleller Riemen (23a) enthält, die zwischen zwei Wellen (24, 25) gespannt sind, von denen eine angetrieben ist,
    daß die elektrisch mit der Steuerung verbundene Sensorvorrichtung (27, 29) einen ersten (27) und einen zweiten Sensor (29) enthält, die auf demselben Träger (28a) in zwei Richtungen verstellbar angeordnet und in Vorschubrichtung des Transportbandes (23) ausgerichtet sind,
    und daß die Steuerung das Verlangsamen des Bandes (3) unter Bewegen der Kante desselben abhängig vom Signal des ersten Sensors (27) veranlaßt, sowie sein genaues maßhaltiges Anhalten steuert, wenn sich die Kante abhängig vom Signal des zweiten Sensors (29) bewegt.
  3. Mehrzweckmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in Transportrichtung gesehen hinter dem Querschneider (20) kleine, lose Rollen (32) zum Anpressen der entstehenden Bögen (26) gegen das Transportband (23) vorhanden sind.
  4. Mehrzweckmaschine nach einem der vorgehenden Ansprüche, dadurch gekennzeichnet, daß die kleinen Rollen (32) und die dünnen, parallelen Riemen (23a) des Transportbandes (23) aus einem glatten Material angefertigt sind, vorzugsweise aus Nylon.
  5. Mehrzweckmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Querschneider (20) ein Messer (21) enthält, das bezüglich eines gegenüber liegenden feststehenden Messers (22) schwingt,
    und daß der Querschneider eine Stellvorrichtung (21a, 21b, 56) enthält, die das Messer (21) in einem gebogenem Zustand bezüglich der gegenüber liegenden Schneide (22) hält.
  6. Mehrzweckmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Längsschneider (8) ein Messer (10) enthält, das bezüglich einer Schiene (33) schwingt, auf der es gleitend aufgenommen wird,
    wobei eine einstellbare elastische Vorrichtung (36) vorhanden ist, die einen richtigen Druck des Messers (10) gegen das zu schneidende Band (3) sichert,
    und wobei eine Feststellvorrichtung (38) das Gleiten des Längsschneiders (8) entlang der Schiene (33) verhindert.
  7. Mehrzweckmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß für eine zweite Rolle (6) aus dem Band (7) nahe der ersten Lagerung (1) eine zweite Lagerung (5) vorhanden ist, die einen zweiten Längschneider (9) enthält,
    und daß eine lösbare Übertragungsvorrichtung (46) zum synchronen Drehen der zweiten Lagerung (5) mit der Abzugsrolle (4) und dem Kalander (15) vorhanden ist.
  8. Mehrzweckmaschine nach Anspruch 6, dadurch gekennzeichnet, daß der Länggschneider (8) einen Arm (51) mit einer lösbaren Halterung des Messer (10) enthält,
    wobei der Arm (51) gegen Stifte (53, 54) stößt, die Vom Längschneider (8) abstehen und durch eine Spiralfeder (36) verbunden sind, die in einer am Umfang eingekerbten Scheibe (55) geführt wird, die am Längsschneider (8) vorhanden ist.
  9. Mehrzweckvorichtung nach Anspruch 8, dadurch gekennzeichnet, daß das Messer (10) eine austauschbare Klinge (50) mit zwei Schneiden (50a, 50b) enthält,
    daß eine lose Rolle (66) vom Messer (10) seitlich der Klinge (50) absteht,
    so daß es der Klinge ermöglicht wird, das Band (3) bei ihrem Eindringen gleichmäßig zu schneiden.
  10. Mehrzweckmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in Transportrichtung gesehen vor vom Kalander (15) eine auf der Ebene (13) feststellbare Hilfslagerung (60) vorhanden ist, die zum Abrollen der ersten Rolle (2) des Bandes (3) geeignet ist,
    wobei mit der Ebene (13) unmittelbar in Transportrichtung gesehen vor dem Kalander (15) auch eine Leit-Platte (63) verbunden ist, unter der das von der zweiten Rolle (6) kommende Band (7) entlangläuft.
EP93916153A 1992-07-22 1993-07-22 Vielzwecksvorrichtung zum verbinden, kalandern, schneiden und wieder aufwickeln von folienbahnen Expired - Lifetime EP0604633B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITFI920153A IT1259672B (it) 1992-07-22 1992-07-22 Macchina multifunzionale per accoppiatura, calandratura, taglio e ribobinatura di film anche adesivi, in particolare ma non esclusivamente, per la produzione di etichette
ITFI920153 1992-07-22
PCT/IT1993/000081 WO1994002309A1 (en) 1992-07-22 1993-07-22 A multifunctional machine for the joining calendering, cutting and rewinding of films

Publications (2)

Publication Number Publication Date
EP0604633A1 EP0604633A1 (de) 1994-07-06
EP0604633B1 true EP0604633B1 (de) 1996-10-02

Family

ID=11350183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93916153A Expired - Lifetime EP0604633B1 (de) 1992-07-22 1993-07-22 Vielzwecksvorrichtung zum verbinden, kalandern, schneiden und wieder aufwickeln von folienbahnen

Country Status (7)

Country Link
EP (1) EP0604633B1 (de)
AT (1) ATE143631T1 (de)
AU (1) AU4583093A (de)
DE (1) DE69305151T2 (de)
ES (1) ES2095066T3 (de)
IT (1) IT1259672B (de)
WO (1) WO1994002309A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506830C2 (sv) * 1996-06-11 1998-02-16 Duni Ab Sätt och anordning för styrning av maskinfunktioner med signal från nivåändring
DE102018105547B4 (de) * 2018-03-09 2020-07-16 PTS-Prüftechnik GmbH Verfahren und Vorrichtung zum Ausrüsten eines Bandes mit einem Klebeband und zum Konfektionieren
CN114407262A (zh) * 2022-02-21 2022-04-29 杭州海潮橡胶有限公司 一种橡胶压延划气泡装置及划气泡方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496552A1 (fr) * 1980-12-22 1982-06-25 Stouls Ets H Installation de fabrication en continu de produits formes d'un support relativement rigide en feuilles decoupees et d'au moins une feuille en matiere souple alimentee en bobine et contrecollee sur une face du support ainsi que procede de fabrication d'un materiau rigide autocollant au moyen d'une telle installation
GB2127378B (en) * 1982-09-15 1985-07-24 David John Instance Methods of producing labels

Also Published As

Publication number Publication date
ATE143631T1 (de) 1996-10-15
EP0604633A1 (de) 1994-07-06
IT1259672B (it) 1996-03-25
ITFI920153A1 (it) 1994-01-22
AU4583093A (en) 1994-02-14
DE69305151T2 (de) 1997-04-30
DE69305151D1 (de) 1996-11-07
ITFI920153A0 (it) 1992-07-22
ES2095066T3 (es) 1997-02-01
WO1994002309A1 (en) 1994-02-03

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