WO2007096915A1 - Winding rod for winding reels of weblike material, and machine that uses said rod - Google Patents
Winding rod for winding reels of weblike material, and machine that uses said rod Download PDFInfo
- Publication number
- WO2007096915A1 WO2007096915A1 PCT/IT2006/000108 IT2006000108W WO2007096915A1 WO 2007096915 A1 WO2007096915 A1 WO 2007096915A1 IT 2006000108 W IT2006000108 W IT 2006000108W WO 2007096915 A1 WO2007096915 A1 WO 2007096915A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- winding
- rod
- weblike material
- supports
- rod according
- Prior art date
Links
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
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/28—Arrangements for positively securing ends of material
-
- 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
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
-
- 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
- B65H2301/414—Winding
- B65H2301/41419—Starting winding process
- B65H2301/41422—Starting winding process involving mechanical means
- B65H2301/414225—Starting winding process involving mechanical means fixed to shaft or mandrel, e.g. clamping or pinching leading edge to shaft or mandrel
Definitions
- the present invention relates to improvements made to the winding rods used in the so-called reeling machines or reelers for the production of rolls or reels of wound weblike material, typically but not exclusively non-woven fabric.
- reeling machines or reelers for the production of rolls or reels of wound weblike material, typically but not exclusively non-woven fabric.
- a weblike material that is frequently wound in reels, which are to undergo subsequent processes of transformation into semi-finished and finished products is non-woven fabric, which is used in many fields, in particular but not exclusively, in the field of production of hygienic and sanitary articles, such as nappies for babies, sanitary pads for incontinency, pantie liners for women, and similar products, or in the field of production of napkins, tablecloths, sheets, or also garments of clothing and other products, as well as in the field of production of filters, and other technical articles.
- the reels wound on winding rods are frequently unwound and rewound in rolls of smaller axial and/or diametral dimensions, and then undergo further transformation to obtain the finished articles.
- a reeling machine also referred to as "reeler”
- the weblike material is run over a winding member, typically a winding roller, against which the reel is pressed in the step of formation around a winding rod or shaft.
- the reel is kept in rotation as a result of the tangential force applied peripherally thereon by the winding roller.
- the rod on which the reel is formed rests on rolling guides and is held against the winding roller via adequate supports.
- the above machines have a pair of supports that engage the ends of the winding rod in order to exert pressure upon the reel being formed, to press it against the winding roller.
- the gradual growth of the diameter of the reel causes recession of the supports from the winding roller.
- the reel is released, and the supports again translate into a position adjacent to the winding roller, to receive a new rod that is introduced by an inserting member that picks it up from a magazine normally overlying the winding roller.
- An object of the present invention is to provide a new type of winding rod that will render more efficient the step of transfer of the leading end of the weblike material onto the winding rod or shaft in the initial step of winding of each reel in the machines of the type mentioned above.
- the invention regards a rod for winding reels of weblike material, with a cylindrical surface of winding of said weblike material, said rod being characterized in that it comprises, on at least one portion of its own cylindrical surface, members for engagement of an initial portion of the weblike material to be wound.
- the above members for engagement are preferably members for mechanical engagement, comprising projections, in the form of needles, stems, hooks, or the like, which grip the weblike material to start winding thereof.
- the elements or members for engagement can be made of plastic material of adequate hardness, or else of metal, and project preferably in a radial or approximately radial direction from the cylindrical surface of the rod.
- the elements are distributed along annular areas, preferably arranged adjacent to the ends of the rod, whilst the central area of the cylindrical surface of the rod can be without said elements for engagement of the weblike material.
- the rod has, at each end, a respective shank for resting on supporting guides of a reeling machine.
- the invention also regards a reeling machine including: a path for a weblike material; a winding member, around which the weblike material is fed; a pair of supporting guides for winding rods, extending from said winding roller; and at least one rod as described above.
- Figure 1 is a perspective view of the machine in one embodiment
- Figure 1A is an enlarged detail of Figure 1 in the area of introduction of the winding rods
- Figure 1 B is an enlarged detail of Figure 1 in the area of one of the supports of the winding rods;
- Figure 1C is an enlarged detail of another of the supports of the winding rods;
- Figure 2 is an axonometric view of a winding rod;
- Figure 2A is an enlarged detail of one end of the rod of Figure 2;
- Figure 3 is an axonometric representation of the cutting device isolated from the remaining parts of the machine
- Figure 3A is an enlarged detail of Figure 3;
- Figure 4 is a median section along a vertical plane of the area for winding, cutting of the weblike material, and introduction of the winding cores;
- Figures 5A, 5B, 5C show a schematic operative sequence of the operating cycle
- Figure 6 is a schematic representation of the form of the cutting line made on the weblike material.
- FIG. 1 shows, as a whole, a machine which implements the invention, it being understood that the principles underlying the invention can be implemented and incorporated also in machines different from the one illustrated.
- the machine is designated as a whole by the reference number 1 and has a load-bearing structure 3 to which two mutually parallel sides 5 are fixed, which define, at the top, guides 5A for resting and rolling of winding rods A. These rods are arranged in a magazine defined in the top part of the machine and are inserted in sequence one after the other into a winding area, as described in what follows.
- a pair of oscillating arms 7 is provided, which are controlled by a cylinder-piston actuator 9.
- the arms 7 pick up the winding rods A one by one and deposit them on pairs of supports described in greater detail in what follows, associated to the sides 5.
- the arms 7 are shaped in such a way that a perimetral portion 7A thereof withholds the rods subsequent to the one that each time is picked up by the pair of arms 7, in order to start winding a new reel of weblike material around it.
- the machine has a winding member that, in a preferred embodiment, is formed by a winding roller 11 with an axis of rotation 11A ( Figure 1A) parallel to the axis of oscillation of the arms 7 and to the axis of the rods A.
- a winding member that, in a preferred embodiment, is formed by a winding roller 11 with an axis of rotation 11A ( Figure 1A) parallel to the axis of oscillation of the arms 7 and to the axis of the rods A.
- each winding rod A has a body with a main cylindrical portion A1 , at the ends of which shanks C1 and C2 are connected, which are coaxial to the main cylindrical portion A1.
- Adjacent to the ends AX and AY of the portion A1 of the rod are annular portions P equipped with a coating constituted preferably by asperities formed by pins or needles made of metal, plastics or other material of suitable strength and stiffness, which have (as will emerge more clearly from what follows) the purpose of engaging the initial portion of the leading edge of the weblike material and causing it to adhere to the cylindrical surface of the rod A to start winding of each reel.
- gears R1 and R2 which have the function of meshing with gears with which the supports of the winding rods are equipped, as will be clarified later on, in order to impart a movement of rotation upon the rods A about their axis when these are supported by the supports 2OA and 2OB or 21 A and 21 B in the position of maximum height (already referred to as engagement height) awaiting rod change (Figure 5A) in order to bestow on said rods the same peripheral velocity as that of the winding roller 11.
- each shank C1 , C2 moreover forms an element for resting on the guides 5A, which are formed by the sides 5, and has a conformation such as to engage the respective guide 5A, preventing the rod from translating parallel to its own axis during rolling along the guides 5A.
- each shank C1 , C2 is shaped for co-operating with the arms 7 and with the supports of the machine.
- the shanks C1 , C2 have a first annular seat S1 and a second annular seat S2 for co-operating with the supports of the machine.
- each rod will be engaged by a pair of supports in a position corresponding to the two seats S1 , or else to the two seats S2.
- the seats S1 , S2 are arranged on the two shanks C1, C2 in such a way that the two annular seats S1 have the same distance from one another as the seats S2, said distance being designated by d in Figure 2.
- each shank C1, C2 has an annular groove SA that is designed to co-operate with the respective resting and rolling guide 5A of the respective side 5.
- each shank C1 , C2 has a further annular groove SB for engagement by the two oscillating arms 7.
- the references 2OA, 2OB and 21 A, 21 B designate four supports for the winding rods, arranged in pairs, the supports 2OA, 2OB forming a first pair of supports for a first rod, and the supports 21 A, 21 B forming a second pair of supports for a second winding rod A.
- the supports 2OA and 21 A are arranged within the respective sides 5, whilst the supports 2OB and 21 B are arranged on the outside of the respective sides.
- Each of the supports 2OA, 2OB is set on a respective carriage 23, said carriages being substantially symmetrical and only one of them will be described in greater detail in what follows with reference to Figure 1B.
- the supports 2OB and 21 B are arranged, instead, on carriages 25, which also are substantially symmetrical and only one of them will be described with reference to Figure 1C.
- This figure in particular illustrates in isolation and in a partially exploded view the carriage 25 on which the support 2OB is mounted.
- the carriage represented in Figure 1 C is viewed from the side opposite to the one visible in Figure 1 ; i.e., it is viewed in the direction of the arrow F.
- Each carriage 23 ( Figure 1 B) is able to slide along guides 27 fixed to the respective side 5. Said guides 27 are arranged on the internal face of the two sides 5.
- the carriage 23 is mobile along the guides 27 in the direction of the double-headed arrow f23. The movement is controlled alternately by two different mechanisms.
- the movement from the position furthest away from the winding roller 11 to the position of the roller itself is driven by a belt 29, to which the carriage is constrained, by means of an actuator (not illustrated), which drives one of the pulleys over which the belt 29 is run.
- the movement in the opposite direction i.e., in the direction of recession away from the winding roller 11 , is obtained as a result of the gradual growth of a reel around the winding rod that is temporarily engaged to the respective support 2OA or 21 A and in contact with the winding roller 11.
- the reference number 31 designates a cylinder-rodless piston actuator, which pushes the carriage 23 towards the roller 11 in such a way that the reel, in the step of formation around the rod held by the support 21 A or 21 B, is pressed against the winding roller 11 to enable the latter to carry out winding, transmitting the motion of rotation to the reel.
- a slide 33 which is vertically mobile in the direction of the double-headed arrow f33.
- the vertical movement according to f33 is controlled by a servo motor 35 through a belt 37, which transmits the motion to a pulley 39 of a linear actuator 41 , which has a bar 43 that can be extracted and retracted to cause the displacements according to f33 of the slide 33.
- Constrained to the rod 43 is a cylinder-piston actuator 45, of which designated by the reference number 47 is the rod hinged to the support 21A or 21 B.
- the configuration of the carriage 25 that carries one or the other of the supports 2OB, 21 B is substantially equivalent to that of the carriage 23, as may be noted in the representation of Figure 1C, where one of the carriages 25 is illustrated in isolation with respect to the side 5 that supports it.
- the reference 25A designates the slides that guide the carriage 25 on guides 51 fixed to the respective side 5 and equivalent to the guides 27.
- Set on the carriage 25 is a slide 53, which is vertically mobile in the direction indicated by the arrow f53, the movement of which is controlled by a linear actuator 55 driven by a servo motor 57 by means of a belt 59 and a pulley 61.
- the reference number 63 designates the extractable and retractable bar of the linear actuator 55, which is constrained at the top by a cylinder-piston actuator 65 equivalent to the cylinder-piston actuator 45 of the carriage 23.
- the rod 67 of the cylinder-piston actuator 65 is constrained to the support 2OB or else 2OA. Up to this point the structure of the carriage 25 is substantially the same as that of the carriage 23.
- an electric motor 71 at the output of which, by means of a joint 73, there is connected a reduction gear 75 ( Figure 1C).
- This arrangement supplies motion to a respective gear 77 that is to mesh with the corresponding gear R1 or else R2 of the rod that is temporarily supported by one or by the other of the supports 2OA, 2OB.
- the motor 71 thus provides the movement of rotation for the auxiliary operations on the winding rod A when this is not driven in rotation by the winding roller 11.
- the horizontal movement in the direction indicated by the double- headed arrow f25 is exerted upon the carriage 25 in a way similar to what has been described with reference to the carriage 23.
- a belt 79 run over a motor- driven pulley 79A controls the movement of approach to the winding roller 11 , whilst the movement of gradual recession during winding is caused by the thrust between the reel being formed around the rod A resting on the supports 2OA, 2OB or else 21 A, 21 B and the roller 11 , said thrust being ensured, not only by the cylinder-rodless piston actuator 31 , but also by the cylinder- rodless piston actuator 81 associated to each of the carriages 25 and arranged on the outside of the sides 5.
- a cutting device located along the path of the weblike material N, upstream of the winding roller 11 is a cutting device designated as a whole by 91 and illustrated in isolation in Figure 3 and in the enlarged detail of Figure 3A.
- the cutting device 91 comprises a pressurized- water nozzle 93 carried by a slide 95 having a reciprocating rectilinear movement in the direction indicated by f93, orthogonal to the direction of feed of the weblike material N along the path of advance through the machine.
- the movement of the slide 95 and of the nozzle 93 carried thereby is controlled by a cyiinder-rodless piston actuator 97 supported by a beam 99.
- a sliding surface 101 Located underneath the path of the nozzle 93, and on the side opposite thereto with respect to the path of the weblike material, is a sliding surface 101, along which the weblike material runs, said surface being interrupted by a groove 103, which is parallel to the path of the nozzle 93 and is located exactly underneath the latter.
- Developing underneath this groove 103 are tanks 105 for collecting the water, which comes from the nozzle 93 and is ejected at a high pressure therefrom. In the tanks there may be arranged systems for extinguishing the kinetic energy of the jet of water.
- Figure 5A illustrates a step in which a reel BA of weblike material N is being formed on a first winding rod A.
- the winding rod is supported by the first pair of supports 2OA, 2OB.
- the cylinder-rodless piston actuators 31 , 81 push the carriages 23, 25 and hence the reel BA against the winding roller 11 so that rotation of the latter causes feed of the weblike material and rotation of the reel BA and of its winding rod and consequently winding of the material around the rod.
- 2OA, 2OB are displaced towards a position for unloading, which is located at the opposite ends of the guides 5A with respect to the position in which the winding roller 11 is located.
- the weight of the rod and of the reel is for the most part supported by the rolling guides 5A.
- FIG. 5B illustrates a further step, in which the reel BA being formed carried by the supports 2OA, 2OB is by now close to completion and hence very close to the area of unloading.
- the supports 21 A, 21 B of the second pair of supports have been brought, via translation of the corresponding carriages 23, 25 driven by the belts 29, 79, into a position adjacent to the winding roller 11.
- a new winding rod is unloaded by the oscillating arms 7 onto the pair of supports 21 A, 21 B, which for this purpose have been raised to an appropriate height.
- the water nozzle 93 is activated and starts projecting a jet of water at high pressure.
- the nozzle 93 is made to translate in a direction transverse to the direction of feed of the weblike material along the path of feed with a rate such as to cause formation of an initial or leading free end and of a final or trailing end in the weblike material N with an adequate shape (see Figure 6) where the letter T designates the cutting line, NA the trailing end of the portion of weblike material wound onto the reel BA, and NB the leading end of the weblike material which will be wound onto the next rod to form the reel BB.
- the inclination of the cutting line T with respect to the direction of the machine, represented by the direction of feed fN of the weblike material, is such that the most advanced vertex V defined in the leading end NB comes into contact with the new rod, which has duly been lowered towards the winding roller 11 via retraction of the cylinder-piston actuators 45, 65, before the cutting T is completed.
- the supports 21 A, 21 B are then gradually lowered, so as to keep the rod A (onto which the product is being wound) always in contact with the winding roller 11 , whilst the reel BB starts to grow in diameter until the shanks of the new winding rod rest on the resting and rolling guides 5A.
- the supports 21 A, 21 B will then be further lowered in order to free the rod with the reel wound thereon, thus enabling it to be unloaded and allowing the supports to translate once again towards the area in which the winding roller is located.
- the shanks C1 , C2 of the rods each have two distinct annular seats S1 , S2 for co-operating with the supports 21 A, 21 B and 2OA, 2OB, respectively.
Landscapes
- Replacement Of Web Rolls (AREA)
- Winding Of Webs (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002640714A CA2640714A1 (en) | 2006-02-27 | 2006-02-27 | Winding rod for winding reels of weblike material, and machine that uses said rod |
PCT/IT2006/000108 WO2007096915A1 (en) | 2006-02-27 | 2006-02-27 | Winding rod for winding reels of weblike material, and machine that uses said rod |
EP06728451A EP1989140A1 (en) | 2006-02-27 | 2006-02-27 | Winding rod for winding reels of weblike material, and machine that uses said rod |
JP2008556915A JP2009528235A (en) | 2006-02-27 | 2006-02-27 | Reel winding rod for web-like material and apparatus using the winding rod |
US12/279,879 US7789338B2 (en) | 2006-02-27 | 2006-02-27 | Winding rod for winding reels of weblike material, and machine that uses said rod |
CN2006800535128A CN101389557B (en) | 2006-02-27 | 2006-02-27 | Winding rod for winding reels of weblike material, and machine that uses said rod |
BRPI0621372-3A BRPI0621372A2 (en) | 2006-02-27 | 2006-02-27 | winding rod for winding coils of paper-like material, and machine using said rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2006/000108 WO2007096915A1 (en) | 2006-02-27 | 2006-02-27 | Winding rod for winding reels of weblike material, and machine that uses said rod |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007096915A1 true WO2007096915A1 (en) | 2007-08-30 |
Family
ID=37076055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IT2006/000108 WO2007096915A1 (en) | 2006-02-27 | 2006-02-27 | Winding rod for winding reels of weblike material, and machine that uses said rod |
Country Status (7)
Country | Link |
---|---|
US (1) | US7789338B2 (en) |
EP (1) | EP1989140A1 (en) |
JP (1) | JP2009528235A (en) |
CN (1) | CN101389557B (en) |
BR (1) | BRPI0621372A2 (en) |
CA (1) | CA2640714A1 (en) |
WO (1) | WO2007096915A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019182619A (en) * | 2018-04-12 | 2019-10-24 | 株式会社小林製作所 | Method and apparatus for winding substrate |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102992066A (en) * | 2011-09-19 | 2013-03-27 | 吴江盛汇针织有限责任公司 | Roll shaft installation device for cloth rolling machine |
CN109292516A (en) * | 2018-08-30 | 2019-02-01 | 广州倬粤动力新能源有限公司 | Grid winding method |
US11785314B2 (en) * | 2021-11-04 | 2023-10-10 | Rovi Guides, Inc. | Systems and methods to enhance segment during trick play |
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2006
- 2006-02-27 CN CN2006800535128A patent/CN101389557B/en not_active Expired - Fee Related
- 2006-02-27 JP JP2008556915A patent/JP2009528235A/en active Pending
- 2006-02-27 BR BRPI0621372-3A patent/BRPI0621372A2/en not_active IP Right Cessation
- 2006-02-27 US US12/279,879 patent/US7789338B2/en not_active Expired - Fee Related
- 2006-02-27 EP EP06728451A patent/EP1989140A1/en not_active Withdrawn
- 2006-02-27 WO PCT/IT2006/000108 patent/WO2007096915A1/en active Search and Examination
- 2006-02-27 CA CA002640714A patent/CA2640714A1/en not_active Abandoned
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GB2061873A (en) * | 1979-10-30 | 1981-05-20 | Paietta Cme Flli | Winding web material particularly long sheets delivered from heliographic machines |
GB2077699A (en) * | 1980-06-16 | 1981-12-23 | Loewy Robertson Eng Co Ltd | Coiler drum with gripper mechanism |
US5197687A (en) * | 1990-09-10 | 1993-03-30 | Matsushita Graphic Communications Systems, Inc. | Automatic roll-in take-up reel and multi-color image recording apparatus using the same |
WO1999019241A2 (en) * | 1997-10-14 | 1999-04-22 | Officina Meccanica Prati Pietro | Pneumatic clamping mandrel for coreless web winding machines and positioning device thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019182619A (en) * | 2018-04-12 | 2019-10-24 | 株式会社小林製作所 | Method and apparatus for winding substrate |
Also Published As
Publication number | Publication date |
---|---|
BRPI0621372A2 (en) | 2011-12-06 |
US20090045281A1 (en) | 2009-02-19 |
JP2009528235A (en) | 2009-08-06 |
CA2640714A1 (en) | 2007-08-30 |
EP1989140A1 (en) | 2008-11-12 |
CN101389557B (en) | 2011-07-06 |
CN101389557A (en) | 2009-03-18 |
US7789338B2 (en) | 2010-09-07 |
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