EP1870359A2 - Appareil d'alimentation d'un matériel sous forme d'une toile continue d'une ou plusieurs machines d'exploitations - Google Patents

Appareil d'alimentation d'un matériel sous forme d'une toile continue d'une ou plusieurs machines d'exploitations Download PDF

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Publication number
EP1870359A2
EP1870359A2 EP07425036A EP07425036A EP1870359A2 EP 1870359 A2 EP1870359 A2 EP 1870359A2 EP 07425036 A EP07425036 A EP 07425036A EP 07425036 A EP07425036 A EP 07425036A EP 1870359 A2 EP1870359 A2 EP 1870359A2
Authority
EP
European Patent Office
Prior art keywords
web
reel
feeding
arm
application
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Withdrawn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
EP07425036A
Other languages
German (de)
English (en)
Other versions
EP1870359A3 (fr
Inventor
Mario Rivis
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.)
Focus Srl
Original Assignee
Focus 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 Focus Srl filed Critical Focus Srl
Publication of EP1870359A2 publication Critical patent/EP1870359A2/fr
Publication of EP1870359A3 publication Critical patent/EP1870359A3/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Withdrawn legal-status Critical Current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
    • 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
    • B65H19/181—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll
    • B65H19/1821—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll the replacement web being accelerated or running prior to splicing contact
    • 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
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4173—Handling web roll by central portion, e.g. gripping central portion
    • B65H2301/41734—Handling web roll by central portion, e.g. gripping central portion involving rail
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1924—Napkins or tissues, e.g. dressings, toweling, serviettes, kitchen paper and compresses

Definitions

  • the present invention refers to an apparatus for feeding a material in the form of a continuous web, in particular a continuous ply of paper, tissue paper or non-woven fabric, to one or more operating machines.
  • the present invention is apt for use in the field of paper industry and industrial machines for the production and treatment of paper, tissue paper and the like, or of non-woven fabric and other types of paper.
  • tissue paper to operating machines is carried out by means of at least a feeding apparatus able to unwind a web of paper material from suitable feeding reels disposed on a fitting support structure.
  • the feeding of the web of paper material is normally operated until the respective feeding reel runs out of the same web. Afterwards, the feeding of the web is interrupted to allow the junction thereof with a further web of paper material carried by a replacing reel.
  • the web which is reeling off is then brought in contact with an adhesive region of the replacing reel's web so as to join the two webs and to provide a continuity to the operation of paper material feeding.
  • the Applicant has observed that the known feeding apparatuses are not without drawbacks and can be improved under many aspects, mainly in relation to the continuity of automation of paper material feeding.
  • the Applicant has found that the apparatuses do not ensure a continuous feeding of said paper material, and require a periodical interruption of their operation to allow the union of the reeling off web with a new web to be fed.
  • the object of the present invention is therefore to provide an apparatus for feeding paper material in the form of a continuous web to one or more operating machines, said apparatus being able to overcome the drawbacks of the prior art.
  • a further object of the present invention is to provide an apparatus ensuring a continual feeding of paper material without any interruption.
  • Yet another object of the present invention is to automate the operations of joining the reeling off web to a replacing web.
  • the attached figures illustrate an apparatus 1 for feeding a paper material 2 in the form of a continuous web, in particular a continuous ply of tissue paper, to one or more operating machines (not shown).
  • the apparatus 1 comprises a support structure 4 for operatively supporting at least one feeding reel 5 having a respective web 3a of paper material 2 wound thereon.
  • the support structure 4 comprises a rest base 4a on top of which there is engaged a portion of housing 4b exhibiting a recess 4c defined by at least a substantially horizontal edge 4d and two substantially vertical edges 4e extending from the ends of the horizontal edge 4d.
  • the recess 4c also exhibits, between the horizontal edge 4d and each vertical edge 4c, respective rounded edges 4f.
  • the support structure 4 has a first seat 6, counter-shaped to a support pivot 5a of the feeding reel 5, so as to receive stably the latter, and a second seat 7 partially counter-shaped to the support 8a of any feed replacing reel 8 like the feeding reel 5.
  • the first shaped seat 6 is connected to the portion of housing 4b of support structure 4 via an actuator 6a, preferably of fluid-dynamic type, able to borne, at least partially, the load of a feeding reel 5.
  • the actuator 6a allows the positioning of the respective first shaped seat 6 by adapting the latter to the support pivot 5a of the feeding reel 5 according to a position lined up with a respective rounded edge 4f of recess 4c.
  • the second shaped seat 7 is connected to the portion of housing 4b of support structure 4 via an actuator 7a, preferably of fluid-dynamic type which allows the positioning of the respective second shaped seat 6 by adapting the latter to the support pivot 8a of the first feed replacing reel 8 according to a second position lined up with a respective rounded edge 4f of recess 4c.
  • the apparatus 1 further comprises driving means 9 operatively associated with the support structure 4 to drive into rotation at least the feeding reel 5 about a respective axis of rotation "X" coincident with the longitudinal axis of the relevant support pivot 5a.
  • the rotation of the feeding reel 5 causes the unreeling of the respective web 3a along a feeding path "P" defined by one or more rollers 10 operatively disposed in proximity of the rest base 4a of support structure 4.
  • the apparatus 1 also comprises an automatic junction device 11 operatively associated with the support structure 4 to join the web 3a of the feeding reel 5 to a web 3b of the first feed replacing reel 8 disposed in correspondence of the second shaped seat 7 when the feeding reel 5 is running out of web (Fig. 6).
  • the automatic junction device 11 is able to join the web 3a of the feeding reel 5 to the web 3b of the first feed replacing reel 8 by suitable adhesive junction means (not shown in the attached figures).
  • junction adhesive means are advantageously provided on the outer face of each web 3a, 3b of any new feeding reel 5, 8 to be used to feed the paper material 2 to the operating machines.
  • the automatic junction device 11 exhibits a first application arm 12 movable between a preset non-operative position (Figs. 1, 3-5, 7-10) and an operative position (Fig. 6) in which it intercepts the web 3a of the feeding reel 5 and determines the contact between the latter with the web 3b of the feed replacing reel 8, preferably in correspondence of the adhesive means borne by the first feed replacing reel 8.
  • the first application arm 12 is rotatively movable between the non-operative position and the operative position, about a hinge axis "Y" located in correspondence of the rest base 4a of the support structure 4.
  • the first application arm 12 On the opposite side of the hinge axis "Y", the first application arm 12 exhibits a free end 12a provided with a first application member 13 that can be made to act directly on the web 3a of feeding reel 5, when the first application arm 12 is in the operative position, to join the web 3a to the web 3b of the first feed replacing reel 8.
  • the first application member 13 comprises a frame 14 developing along a major direction which is inclined relative to the development of the first application arm 12.
  • the first application member 13 comprises a first roller 15 rotatively engaged on the frame 14 in correspondence of the free end 12a of the first application arm 12.
  • the first application member 13 comprises a second roller 16 rotatively engaged on the frame 14 on the side opposite to the first roller.
  • the apparatus 1 comprises cutting means 20 operating in correspondence of the feeding reel 5 to cut the web 3a of the latter at a preset region.
  • the cutting means 20 comprise a first cutting blade 21 operatively associated with the junction device 11 of the first application arm 12 in order to cut the web 3a of the feeding reel 5 between the latter and the first feed replacing reel 8.
  • the first cutting blade 21 is engaged to the frame 14 of the first application member 13 via a revolving structure 22 so as to result movable between a retracted position in which it is included in the overall dimensions of the frame 14, and a cutting position in which it protrudes therefrom, preferably between the first and second rollers 15, 16.
  • the above said driving means 9 are provided with a first driving unit 23 externally operating on the web 3a of said reel.
  • the first driving unit 23 comprises a first bearing arm 24 having a first end 24a hinged to a first bedplate 25 and a second free end 24b opposite to the first end 24a.
  • the first bearing arm 24 has preferably a C-like development whose concavity is made to face the support structure 4. In this way, the first bearing arm 24 is able to encircle at least partially a respective feeding reel 5 when the latter is in the course of unreeling.
  • the first driving unit 23 comprises also a first drive belt 26 wound around at least two pulleys 27 rotatively engaged to the first bearing arm 24, each of which being in correspondence of a respective end 24a, 24 of said arm.
  • the first drive belt 26 exhibits, between the respective pulleys 27, an active length 28 facing the feeding reel 5 to act directly onto the latter.
  • the first driving unit 23 is further provided with a first drive member (not shown as being known in the art) operatively associated with at least one of pulleys 24 of the first bearing arm 24 in order to move the first drive belt 26 along a path defined by the respective pulleys 27.
  • a first drive member (not shown as being known in the art) operatively associated with at least one of pulleys 24 of the first bearing arm 24 in order to move the first drive belt 26 along a path defined by the respective pulleys 27.
  • the first driving unit 23 exhibits one or more tensioning means (not shown) by which it is possible to adjust the tension of the first drive belt 26.
  • the first driving unit 23 further comprises first pressing means 29, preferably a fluid-dynamic actuator 29a, interposed between the first bedplate 25 and the first bearing arm 24 to keep the first drive belt externally pressed constantly against the web 3a of the feeding reel 5.
  • the driving means 9 are operative also on the first feed replacing reel 8 to drive the latter into motion about a respective axis of rotation "Z" substantially parallel to the axis of rotation "X" of the feeding reel 5.
  • the driving means 9 are provided with a second driving unit 30 operating externally onto the web 3b of the first feed replacing reel 8 or of any feeding reel disposed in correspondence of the second shaped seat 7 of the support structure 4.
  • the second driving unit 30 comprises a second bearing arm 31 having a first end 21a hinged to a second bedplate 32, and a second free end 31b opposite to the first end 31a.
  • the second bearing arm 31 has preferably a C-like development whose concavity is made to face the concavity of the first bearing arm 24. In this way, the second bearing arm 31 is able to encircle at least partially a respective feeding reel 8 when the latter is in the course of unreeling.
  • the second driving unit 30 further comprises a second drive belt 33 wound around at least two pulleys 34 rotatively engaged to the second bearing arm 31, each of which being in correspondence of a respective end 31a, 31b of the latter.
  • the second drive belt 33 exhibits, between the respective pulleys 34, an active length 28 facing the first feed replacing reel 8 to act directly onto the latter.
  • the second driving unit 30 is further provided with a second drive member (not shown as being known in the art) operatively associated with at least one of pulleys 34 of the second bearing arm 31 in order to move the second drive belt 33 along a path defined by the same pulleys 34.
  • a second drive member (not shown as being known in the art) operatively associated with at least one of pulleys 34 of the second bearing arm 31 in order to move the second drive belt 33 along a path defined by the same pulleys 34.
  • the second handling unit 30 exhibits as well one or more tensioning means (not shown) by which it is possible to adjust the tension of the second drive belt 33.
  • the second handling unit 30 further comprises second pressing means 36, preferably a fluid-dynamic actuator 36a, interposed between the second bedplate 32 and the second bearing arm 31 to keep the second drive belt externally pressed constantly against the web 3b of the first feed replacing reel 8.
  • second pressing means 36 preferably a fluid-dynamic actuator 36a
  • the belt system for moving the reels is given as a preferred example and that different systems can also be used, also in combination to each other, such as a motor acting directly on the support pivot, or a contact roller of suitable diameter in place of the belts, or a different driving system for the two reels.
  • the above said automatic junction device 11 also exhibits a second application arm 38.
  • the second application arm 38 is movable, preferably rotatively around the hinge axis "Y", between a preset non-operative position (Figs. 1, 3-8 and 9) and an operative position (Fig. 9) in which it intercepts the web 3b of the first feed replacing reel 8 and determines the contact of the latter with the web 3c of the second feed replacing reel 37.
  • the second application arm 38 develops from the hinge axis "Y" on the side opposite to the first application arm 12.
  • the second application arm 38 On the side opposite to the hinge axis "Y", the second application arm 38 exhibits a free end 38a provided with a second application member 39 that can be made to act directly onto the web 3b of the first feed replacing reel 8 in order to join the latter to the web 3c of the second feed replacing reel 37.
  • the second application member 39 comprises a frame 40 developing along a major direction which is inclined relative to the development of the second application arm 38.
  • the second application member 39 comprises a first pulley 41 rotatively engaged on the frame 40 in correspondence of the free end 38a of the second application arm 38, and a second pulley 42 rotatively engaged on the frame 40 on the side opposite to the first pulley 41.
  • Wound around the first and second pulleys 41, 42 is a respective application belt 43 by which the second application member 39 is able to join the web 3b of the first feed replacing reel 8 to the web 3c of the second feed replacing reel 37.
  • the application belt 43 of the second application member 39 exhibits a matching length 44 defined between the first and second pulleys 41, 42 and so predisposed as to adhere to a length of web 3b of the first feed replacing reel 8 during the unreeling of the latter.
  • the application belt 43 has also an active length 45 located over the first pulley 41, in correspondence of which the web 3b of the first feed replacing reel 8 and the web 3c of the second feed replacing reel 37 adhere one onto the other when the second application arm 38 is in the operative position (Fig. 9).
  • the above cited cutting means 20 comprise a second blade 46 operatively associated with the second application member 39 to cut the web 3b of the first feed replacing reel 8 between the latter and the second feed replacing reel 37.
  • the second cutting blade 46 is engaged to the frame 40 of the second application member 39 via a revolving structure 47 so as to result movable between a retracted position in which it is included in the overall dimensions of the frame 40, and a cutting position in which it protrudes therefrom, preferably between the first and second rollers 41, 42.
  • the feeding reel 5 (Fig. 3) is first loaded onto the feeding apparatus 1 with its support pivot 5a disposed on the first shaped seat 6 (Fig. 4).
  • the web 3a, carried by the feeding reel 5, is suitably conveyed through the rollers 10 of the advancement path "P" as far as to enter the station of an operating machine downstream of apparatus 1.
  • the web 3a of the latter intercepts the first drive belt 26 of the first handling unit 23.
  • the first drive belt 26 finds itself in direct contact with the outer face of web 3a in correspondence of the first active length 28.
  • the first pressing means 29 push the relevant first bearing support 24 towards the feeding reel 5, thereby pressing the first drive belt 26 against the web 3a of the feeding reel 5.
  • the first driving member of the first handling unit 23 drives into rotation one of the rollers 15, 16 of the first bearing arm 24.
  • the first drive belt 26 is dragged along and moves the feeding reel 5 into rotation about the axis "X".
  • the web 3a of the feeding reel move forward along the path "P" by unreeling therefrom (Fig. 5).
  • the first bearing arm 24 rotates in correspondence of the first end 24a so as to keep the drive belt 26 constantly pressed against the web 3a.
  • the first feed replacing reel 8 is loaded onto the apparatus 1 in correspondence of the second shaped seat 7 of support structure 4 (Fig. 6). In this position, the second drive belt 33 is in direct contact with the outer face of web 3b. It is to be pointed out that, before being loaded, the replacing reel is suitably prepared with adhesive means.
  • the latter is positioned onto the support structure 4 so that the adhesive means will not enter in contact with the belts which drive the reel into motion or, alternatively, the same adhesive means are covered with non-adhesive material in the contact region.
  • the first application arm 12 is driven into rotation from the non-operative position (Figs. 1, 3-5, 7-10) to the operative position (Fig. 6) thereof.
  • the roller causes the adhesion of the web 3a of the feeding reel 5, with the junction means being disposed on the outer face of the web 3b of the first feed replacing reel 8.
  • the motion of the feeding reel 5, of the first feed replacing reel 8 and of the first application arm 12 are synchronized to ensure the correct junction of webs 3a, 3b.
  • the first cutting blade 21 is moved from the retracted position to the cutting position in correspondence of which it cuts the web 3a carried by the feeding reel 5.
  • the feeding reel 5 is removed from the first shaped seat 6 to allow the unwinding of web 3b of the first feed replacing reel 8 (Fig. 7), and the first application arm 12 is re-located to the non-operative position.
  • the second application arm 38 is then driven into rotation from the non-operative position (Figs. 1, 3-8 and 10) to the operative position (Fig. 9) in correspondence of which the web 3b of the first feed replacing reel 8 is joined to the web 3c of the second feed replacing reel 37.
  • the second cutting blade 46 is moved from the retracted position to the cutting position for cutting the web 3b of the first feed replacing reel 8 and allowing the removal of the latter from the support structure 4 (Fig. 8).
  • the unreeling of the second feed replacing reel 37 is performed until the replacement thereof with a further feeding reel.
  • the present invention solves the prior art drawbacks and reach the proposed aims.
  • the above described feeding apparatus guarantees a continuous feeding of the above mentioned paper material without interruptions in order to allow joining between webs which are wound around respective feeding reels.
  • the feeding apparatus is able to replace a feeding reel that is running out of web with a full reel by automatically carrying out the junction between the webs of these reels.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP07425036A 2006-06-21 2007-01-24 Appareil d'alimentation d'un matériel sous forme d'une toile continue d'une ou plusieurs machines d'exploitations Withdrawn EP1870359A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITFI20060156 ITFI20060156A1 (it) 2006-06-21 2006-06-21 Apparato di alimentazione di un materiale in forma di nastro continuo ad una o piu' macchine operatrici

Publications (2)

Publication Number Publication Date
EP1870359A2 true EP1870359A2 (fr) 2007-12-26
EP1870359A3 EP1870359A3 (fr) 2011-04-13

Family

ID=38542135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07425036A Withdrawn EP1870359A3 (fr) 2006-06-21 2007-01-24 Appareil d'alimentation d'un matériel sous forme d'une toile continue d'une ou plusieurs machines d'exploitations

Country Status (2)

Country Link
EP (1) EP1870359A3 (fr)
IT (1) ITFI20060156A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4555070A (en) * 1984-06-04 1985-11-26 Essex Group, Inc. Method and apparatus for unwinding and splicing successive rolls
EP0379861A1 (fr) * 1989-01-23 1990-08-01 JAGENBERG Aktiengesellschaft Dispositif pour joindre des feuilles
DE10219611A1 (de) * 2001-05-04 2002-11-21 Koenig & Bauer Ag Rollenwechsler
EP1295830A2 (fr) * 2001-09-21 2003-03-26 Maschinenfabrik Wifag Echangeur de rouleaux et méthode pour le changement automatique de rouleaux pendat l'arrêt

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4555070A (en) * 1984-06-04 1985-11-26 Essex Group, Inc. Method and apparatus for unwinding and splicing successive rolls
EP0379861A1 (fr) * 1989-01-23 1990-08-01 JAGENBERG Aktiengesellschaft Dispositif pour joindre des feuilles
DE10219611A1 (de) * 2001-05-04 2002-11-21 Koenig & Bauer Ag Rollenwechsler
EP1295830A2 (fr) * 2001-09-21 2003-03-26 Maschinenfabrik Wifag Echangeur de rouleaux et méthode pour le changement automatique de rouleaux pendat l'arrêt

Also Published As

Publication number Publication date
ITFI20060156A1 (it) 2007-12-22
EP1870359A3 (fr) 2011-04-13

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