EP2078689A2 - Tête de distributeur pour matériau adhésif et procédé pour déposer le matériau adhésif à l'aide de ladite tête - Google Patents

Tête de distributeur pour matériau adhésif et procédé pour déposer le matériau adhésif à l'aide de ladite tête Download PDF

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Publication number
EP2078689A2
EP2078689A2 EP09150189A EP09150189A EP2078689A2 EP 2078689 A2 EP2078689 A2 EP 2078689A2 EP 09150189 A EP09150189 A EP 09150189A EP 09150189 A EP09150189 A EP 09150189A EP 2078689 A2 EP2078689 A2 EP 2078689A2
Authority
EP
European Patent Office
Prior art keywords
dispenser head
depositing
tape
processing unit
electronic control
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.)
Withdrawn
Application number
EP09150189A
Other languages
German (de)
English (en)
Other versions
EP2078689A3 (fr
Inventor
Andrea Paulotto
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.)
Biemme Adesivi Srl
Original Assignee
Biemme Adesivi Srl
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 Biemme Adesivi Srl filed Critical Biemme Adesivi Srl
Publication of EP2078689A2 publication Critical patent/EP2078689A2/fr
Publication of EP2078689A3 publication Critical patent/EP2078689A3/fr
Withdrawn legal-status Critical Current

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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
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/0013—Article or web delivery apparatus incorporating cutting or line-perforating devices and applying the article or the web by adhesive to a surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B65H37/002—Web delivery apparatus, the web serving as support for articles, material or another web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing

Definitions

  • the present invention concerns a dispenser head used to deposit adhesive material on objects, either paper or other, in a substantially automatic manner.
  • the dispenser head according to the present invention is preferably but not exclusively used in production lines in the paper transformation industry, of the fold and glue type, for the application of adhesive tape, advantageously bi-adhesive, for gluing cases, envelopes, boxes, bags or other.
  • the present invention also concerns a method for depositing adhesive material using said head.
  • a dispenser head for dispensing an adhesive and/or bi-adhesive tape, suitable to deposit said tape on a predetermined surface of objects, for example made of paper, in a production line.
  • the known dispenser head mounted on an assembly bar by means of a clamping device, comprises a pneumatic actuator suitable to position the adhesive tape correctly, advantageously wound ion a reel, with respect to the application surface, and also to advance the adhesive tape during the depositing thereof.
  • the known dispenser head is connected by means of a pneumatic circuit to an electro-pneumatic control unit suitable to drive one or more dispenser heads, each in a predetermined functional sequence and in coordination with the speed of advance of the objects on which the adhesive material is to be applied, and also with the sizes of the objects themselves.
  • One disadvantage of the known dispenser head is that the errors in precision in the repetitiveness of the positioning of the adhesive material are rather frequent and caused by the movements of the pneumatic actuation.
  • Another disadvantage is that the application of the adhesive material can cause damage due to the pressure exerted by the pneumatic actuator during the depositing of the adhesive tape on the object.
  • dispenser heads are connected to the control unit by means of pneumatic controls and connectors which are rather bulky. This makes it difficult to assemble the dispenser head and also constitutes a limit to the maximum number of heads that can be positioned on the same assembly bar.
  • Another disadvantage is that if the control unit has a malfunction or breakdown, all the dispenser heads driven by the same control unit are unusable. This causes a stoppage that blocks the productivity of the line until the control unit is repaired.
  • One purpose of the present invention is to achieve a dispenser head for adhesive material that allows to increase the productivity of the production line on which the head is assembled.
  • Another purpose of the present invention is to achieve a dispenser head for adhesive material which, in the event of a breakdown to the control unit, does not cause a stoppage in the productivity of the production line.
  • Another purpose of the present invention is to achieve a dispenser head for adhesive material that allows to reduce the errors in positioning of the adhesive material on the objects.
  • Another purpose of the present invention is to achieve a dispenser head that is electronically independent, with its own functioning logic and adaptable to any existing production line.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • a dispenser head for adhesive material is used to deposit, in a substantially automatic manner, adhesive and/or bi-adhesive tape on predetermined objects in a production line.
  • the dispenser head comprises depositing means, mobile in at least a first position suitable to deposit the adhesive tape, and cutting means suitable to cut the adhesive tape when it has finished being deposited on the object.
  • the dispenser head also comprises motor means suitable to move the depositing means.
  • the dispenser head comprises an electronic control and processing unit associated with the motor means and suitable to drive the same so as to move the depositing means in a second position suitable to cut the tape, in a desired position, by means of the cutting means.
  • the dispenser head comprises speed detection means such as for example a detection encoder, connected to the electronic control and processing unit and suitable to detect the speed of advance of the objects on which the adhesive tape is to be deposited.
  • the dispenser head also comprises presence detection means, connected to the electronic control and processing unit. The presence detection means are suitable to detect the presence of an object in the correct deposit position.
  • the motor means is driven in a manner coordinated with the relative speed of advance of the objects with respect to the dispenser head, and also with the disposition of the objects in the predetermined position suitable to deposit the adhesive tape.
  • the dispenser head is substantially autonomous and independent in depositing the adhesive material, inasmuch as the electronic control and processing unit activates the motor means, and consequently the depositing means, in order to deposit the adhesive tape on the object according to the information it receives from the speed detection means and from the presence detection means.
  • dispenser heads can be inserted, mounted adjacent, so that a possible breakdown in one of the dispenser heads does not cause a blockage of the production line.
  • the motor means is fed electrically, allowing to feed the dispenser head by means of a single electric cable.
  • the lateral sizes of the dispenser head are reduced, since the electric cable and the corresponding electric connections have a limited bulk with respect to the pneumatic actuation pipes of the known dispenser head, allowing to use the same dispenser head without having to provide pneumatic feed, if there were none.
  • the electrically fed motor means drives the depositing means, reducing unwanted vibrations and reducing possible errors in positioning the adhesive tape.
  • the cutting means is mechanically coupled with the depositing means so as to cut the tape in a manner coordinated with its depositing.
  • the dispenser head comprises electronic memorization means, connected to the electronic control and processing unit and suitable to memorize at least a predefined set of parameters.
  • the parameters are used by the electronic control and processing unit to activate one or more predetermined functioning modes of the dispenser head so as to achieve the depositing of the adhesive tape in the desired manner.
  • the dispenser head also comprises communication means connected to the electronic control and processing unit and suitable for connection to a data transmission network and/or to a second processing unit for the reception of said parameters.
  • the dispenser head comprises second cutting means suitable to achieve a half cut on a protective film of the bi-adhesive tape. In this way the protective film of the bi-adhesive tape already deposited is detached.
  • the dispenser head comprises a roller to recover the protective film of the bi-adhesive tape.
  • the bi-adhesive tape is deposited without its protective film, in order to feed the objects to a subsequent working stage of the production line.
  • the present invention also concerns a method to deposit adhesive and/or bi-adhesive material by means of a dispenser head on predetermined objects in a production line.
  • the dispenser head comprises depositing means mobile in at least a first position suitable to deposit the adhesive material, and cutting means suitable to cut the adhesive tape when it has finished being deposited on the object.
  • the dispenser head also comprises motor means suitable to move the depositing means.
  • the method comprises a first step in which an object is made to advance, by means of movement and/or sliding means, toward the dispenser head.
  • the method also comprises a second step in which the adhesive material is deposited by means of the depositing means, disposed in the first position, on the advancing object and disposed in a predetermined deposit position with respect to the dispenser head.
  • an electronic control and processing unit of the dispenser head connected both to means to detect the presence of the head and suitable to detect the presence of an object in the correct deposit position, and also to means to detect the speed of the head and suitable to detect the speed of advance of the object with respect to the dispenser head, activates the motor means in order to move the depositing means in their first position.
  • the method comprises a third step in which the electronic control and processing unit, according to the signal of the presence detection means, detects the position of the object in a desired position and suitable for cutting the adhesive material.
  • the control unit therefore activates the motor means in order to move the depositing means to a second position suitable to cut the adhesive material by the cutting means.
  • the method also comprises a fourth step in which the object, on which the adhesive material has been deposited, is distanced from the dispenser head and sent for example to subsequent working.
  • a half cut is made on a protective film of the bi-adhesive material.
  • the bi-adhesive material is deposited without its protective film.
  • the protective film is rewound from the dispenser head onto a recovery roller.
  • a dispenser head 10 for adhesive material is used to deposit a tape 38, for example bi-adhesive, in a substantially automatic manner, on paper objects, cases, envelopes, boxes, bags or objects of other type in a production line.
  • the dispenser head 10 is associated with sliding means such as for example a conveyor belt or rollers suitable to feed the objects on which the tape 38 is to be deposited with respect to the head 10.
  • the dispenser head 10 comprises a frame 11 and a counter frame 12, substantially flat and mechanically coupled by means of two attachment supports 34, so as to define a housing compartment for a depositing unit 14, suitable to deposit the bi-adhesive tape 38, and for a cutting unit 24.
  • the dispenser head 10 also comprises an electric motor 20, in this case a hybrid stepper motor with high torque, attached on the rear part of the frame 11 ( fig. 2 ), an unwinding roller 13 ( fig. 1 ) suitable to support a reel 36 of bi-adhesive tape 38 to be deposited and a guide roller 19, able to guide the tape 38 from the unwinding roller 13 to the depositing unit 14, and to maintain the tape 38 during depositing in a predetermined condition of tension.
  • an electric motor 20 in this case a hybrid stepper motor with high torque
  • the dispenser head 10 is attached on an assembly bar of a known type, not shown in the attached drawings, by means of an attachment device 50 mechanically associated with the frame 11 and comprising a dove-tailed groove 54.
  • the groove 54 is suitable to be mechanically coupled with a corresponding profile of said bar.
  • the dispenser head 10 is clamped to the bar by means of a clamping handle 51 suitable to clamp a clamp 52 on the bar.
  • the attachment device 50 is coupled with the frame 11 ( fig. 2 ) by inserting three nuts 60 into threaded seatings, not shown in the drawings, of the attachment device 50 through three eyelets 58.
  • the eyelets 58 oblong in shape, are suitable to allow a vertical sliding of the position of the frame 11 with respect to the attachment device 50 and hence with respect to the bar on which the dispenser head 10 is mounted.
  • the depositing unit 14 is suitable to cooperate in synchrony with the cutting unit 24 and is movable between a first position to deposit and glue the bi-adhesive tape 38 ( figs. 4 and 5 ), and a second position suitable to allow to cut the bi-adhesive tape 38 in a desired position.
  • the depositing unit 14 comprises two solid and opposite strips 15, hinged on an axis of rotation 16 both to the frame 11 and also to the counter frame 12.
  • a depositing roller 18 is mounted between the strips 15, rotatable and solid with the rotation of the strips 15. The depositing roller 18 is suitable to deposit the tape 38 when the depositing unit 14 is disposed in its first position.
  • the cutting unit 24, suitable to cut the tape 38 has a substantially oblong body and is hinged in correspondence with a median part both to the frame 11 and also to the counter frame 12 around an axis of rotation 25.
  • the cutting unit 24 is mobile in oscillating manner between a first position, corresponding to the deposit position of the depositing unit 14, and a second position suitable to cut the tape 38 partly deposited and corresponding to the second position of the depositing unit 14.
  • the cutting unit 24 comprises at one end a punch 26, disposed substantially perpendicular with respect to the body of the cutting unit 24, and suitable to cut the tape 38 when the cutting unit 24 is in its second position.
  • the cutting unit 24 is connected to the depositing unit 14 by means of a transmission bar 27 so as to move the depositing unit 14 between said deposit position and said second position in a manner coordinated with the oscillating movement of the cutting unit 24.
  • the cutting unit 24 is in turn connected by means of a rod 22 to the electric motor 20 so as to convert the rotary motion of the motor 20 into the oscillating motion of the cutting unit 24.
  • the dispenser head 10 also comprises a rotatable drawing roller 30 suitable to promote the advance of the object on which the tape 38 is to be deposited and also to prevent possible blockages of objects of a paper type.
  • the dispenser head 10 also comprises a rotatable adhesion roller suitable to promote the adhesion of the adhesive tape 38. Both the drawing roller 30 and the adhesion roller 31 are attached to a corresponding support 34 by means of two cushioned columns 33.
  • the dispenser head 10 comprises an electronic control and processing unit 40 ( figs. 1 and 8 ) connected to the electric motor 20 and suitable to activate it in a manner coordinated with the relative speed of advance of the objects on which the tape 38 is to be deposited with respect to the dispenser head 10, and also with the disposition of the objects in a predetermined position suitable for depositing the tape 38.
  • an electronic control and processing unit 40 figs. 1 and 8
  • the dispenser head 10 comprises a speed detection encoder 41 of a known type ( fig. 8 ), connected to the electronic control and processing unit, suitable to detect the speed of advance of the objects on which the tape 38 is deposited.
  • the dispenser head also comprises a presence sensor 42 of a known type, connected to the electronic control and processing unit 40 and suitable to detect the presence in the desired position of the object on which the tape 38 is deposited.
  • the dispenser head 10 also comprises a memory 44 of the non-volatile type connected to the electronic control and processing unit 40, such as for example a static RAM, an EEPROM or a flash memory or suchlike.
  • the memory 44 is suitable to memorize a predefined set of parameters used by the electronic control and processing unit 40 in order to execute one or more predetermined functioning sequences, according to the type of object intended for working.
  • the dispenser head 10 also comprises a communication interface 46 suitable to connect the electronic control and processing unit 40 to a data communication network and/or to a second processing unit such as for example a supervising computer.
  • the communication interface 46 is suitable to receive said functioning parameters to allow them to be updated or to execute diagnostic and/or supervisory controls.
  • the communication interface 46 consists for example of an RS 232 type serial port or USB. It is understood that the communication interface can also comprise an Ethernet port for connection to a LAN communication network or other suitable type.
  • the electronic control and processing unit 40 is of the multi-processor type in which a first processor is suitable to activate the electric motor 20, according to predetermined sequences.
  • a second processor connected to the first processor in a known manner, is suitable to mange at least one communication protocol to interface the dispenser head 10 through the communication interface 46.
  • the dispenser head 10 comprises a second punch, not shown in the attached drawings, mobile in a manner coordinated both with the depositing unit 18 and also with the cutting unit 24.
  • the second punch is suitable to make a half cut on the protective film of bi-adhesive tape 38 disposed in use, allowing to detach it in a simplified manner.
  • the dispenser head 10 also comprises a display of a known type, not shown in the drawings, such as for example an LCD, suitable to display information relating to the functioning state of the dispenser head 10 or the number of objects already worked and/or the current work batch.
  • a display of a known type such as for example an LCD, suitable to display information relating to the functioning state of the dispenser head 10 or the number of objects already worked and/or the current work batch.
  • the dispenser head 10 as described heretofore functions as follows.
  • a positioning synchronization is performed, in a substantially automatic manner by means of the electronic control and processing unit 40, of the depositing unit 14 in a position near its first deposit position and in order to feed the tape 38 to a position suitable for depositing.
  • the presence sensor 42 signals this to the electronic control and processing unit 40.
  • the encoder 41 detects the speed of advance of the object and signals this to the electronic control and processing unit 40, which activates the electric motor 20 for the time necessary to dispose the depositing unit 14 in its first deposit position. In this way the bi-adhesive tape 38 is made to adhere on a deposit surface of the object advancing with respect to the dispenser head 10.
  • the object advances, there is a corresponding progressive depositing through adhesion of the tape 38 on the object, and also a progressive unwinding of the tape 38 from the corresponding reel 15 disposed in the unwinding roller 13.
  • the advance of the object in correspondence with the dispenser head 10 is promoted by the action of the drawing roller 30.
  • the bi-adhesive tape 38 is also made to slide under the depositing roller 18 with the adhesive face facing toward the object, so that the pressure exerted by the depositing roller 18 facilitates the adhesion of the tape 38 on the surface of the object.
  • the tape 38 is subjected to a further pressure by means of the adhesion roller 31 when the portion of tape 38 just deposited is made to progressively advance under the roller 31.
  • the presence sensor 42 signals this to the electronic control and processing unit 40.
  • the electronic control and processing unit 40 activates the electric motor 20 so as to position the cutting unit 24 in its second position, in which the punch 26 cuts the tape 38, in the desired position.
  • the electronic control and processing unit 40 activates the rotation of the electric motor 20 so as to dispose the cutting unit 24 in its first position and the depositing unit 14 in a position near its first position.
  • the electronic control and processing unit again activates the electric motor 20 as described previously.
  • the dispenser head 10 is suitable to deposit adhesive and/or bi-adhesive tape 38 autonomously and independently from external control units. Furthermore, the movements of the tape 38 are of an electromechanical type, substantially reducing the errors in positioning of the tape 38 on the object.
  • the dispenser head 10 is suitable to deposit bi-adhesive tape 38 without the protection film or liner 39, for depositing in a production line of the fold and glue type.
  • the dispenser head 10 comprises a recovery roller 64 on which a recovery reel 66 is disposed, suitable to rewind the protective liner 39, progressively separated during the depositing of the bi-adhesive tape 38.
  • the recovery roller 64 and the unwinding roller 13 are mechanically coupled with corresponding pulleys 68, disposed at the rear of the frame 11, and connected by a transmission belt 70. In this way, as the reel 36 disposed on the unwinding roller 13 unwinds, there is a corresponding winding of the protective liner 39 onto the recovery roller 64.

Landscapes

  • Adhesive Tape Dispensing Devices (AREA)
  • Replacement Of Web Rolls (AREA)
EP09150189A 2008-01-09 2009-01-08 Tête de distributeur pour matériau adhésif et procédé pour déposer le matériau adhésif à l'aide de ladite tête Withdrawn EP2078689A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUD20080006 ITUD20080006A1 (it) 2008-01-09 2008-01-09 Testa dispensatrice di materiale adesivo e procedimento di deposizione di materiale adesivo impiegante detta testa

Publications (2)

Publication Number Publication Date
EP2078689A2 true EP2078689A2 (fr) 2009-07-15
EP2078689A3 EP2078689A3 (fr) 2010-01-06

Family

ID=40290450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09150189A Withdrawn EP2078689A3 (fr) 2008-01-09 2009-01-08 Tête de distributeur pour matériau adhésif et procédé pour déposer le matériau adhésif à l'aide de ladite tête

Country Status (2)

Country Link
EP (1) EP2078689A3 (fr)
IT (1) ITUD20080006A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009016346A1 (de) * 2009-04-06 2010-10-07 hawo Gerätebau GmbH & Co Maschinenbau KG Handabroller
GB2588643A (en) * 2019-10-30 2021-05-05 Jjs Application Tech Ltd Adhesive tape dispenser head
EP3819243A1 (fr) 2019-10-30 2021-05-12 JJS Application Technologies Ltd Distributrice de ruban adhésif
US11814257B2 (en) 2020-10-29 2023-11-14 Jjs Application Technologies Ltd. Adhesive tape dispenser head

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294644A (en) * 1980-01-30 1981-10-13 Datafile Limited Servo motor control labeller
US4980011A (en) * 1988-01-27 1990-12-25 Minnesota Mining And Manufacturing Company Automated liner removing transfer tape applicator
DE102005009827B4 (de) * 2005-03-01 2009-05-07 Josef Gack Vorrichtung zum Aufbringen eines von einer Spenderrolle abgewickelten Klebebandes auf eine zu beklebende Oberfläche

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009016346A1 (de) * 2009-04-06 2010-10-07 hawo Gerätebau GmbH & Co Maschinenbau KG Handabroller
GB2588643A (en) * 2019-10-30 2021-05-05 Jjs Application Tech Ltd Adhesive tape dispenser head
EP3817539A1 (fr) 2019-10-30 2021-05-05 JJS Application Technologies Ltd Tête de distributeur de ruban adhésif
EP3819243A1 (fr) 2019-10-30 2021-05-12 JJS Application Technologies Ltd Distributrice de ruban adhésif
GB2588643B (en) * 2019-10-30 2024-02-07 Jjs Application Tech Ltd Adhesive tape dispenser head
US11814257B2 (en) 2020-10-29 2023-11-14 Jjs Application Technologies Ltd. Adhesive tape dispenser head

Also Published As

Publication number Publication date
EP2078689A3 (fr) 2010-01-06
ITUD20080006A1 (it) 2009-07-10

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