EP0439827A1 - Saugbremsvorrichtung zum Zuführen einer Papierbahn mit konstanter Spannung, oder dergleichen - Google Patents

Saugbremsvorrichtung zum Zuführen einer Papierbahn mit konstanter Spannung, oder dergleichen Download PDF

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Publication number
EP0439827A1
EP0439827A1 EP90125422A EP90125422A EP0439827A1 EP 0439827 A1 EP0439827 A1 EP 0439827A1 EP 90125422 A EP90125422 A EP 90125422A EP 90125422 A EP90125422 A EP 90125422A EP 0439827 A1 EP0439827 A1 EP 0439827A1
Authority
EP
European Patent Office
Prior art keywords
web
braking
drum
suction
paper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90125422A
Other languages
English (en)
French (fr)
Other versions
EP0439827B1 (de
Inventor
Maurizio Piana
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.)
SASIB SpA
Original Assignee
SASIB SpA
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 SASIB SpA filed Critical SASIB SpA
Publication of EP0439827A1 publication Critical patent/EP0439827A1/de
Application granted granted Critical
Publication of EP0439827B1 publication Critical patent/EP0439827B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • B65H23/245—Suction retarders
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/20—Reels; Supports for bobbins; Other accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/30—Arrangements for accumulating surplus web
    • B65H20/32—Arrangements for accumulating surplus web by making loops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/54—Cigarette making

Definitions

  • the object of the invention is a suction braking/device for feeding at a constant tension a continuous web of paper, or the like, comprising a perforated annular section for braking the speed of a web of paper associated with a stationary suction chamber, whereby the speed of a paper web which is being passed over the annular web-braking section is slowed down by the suction being applied thereon through the suction ports in the said annular section, which communicate with the suction chamber.
  • Suction braking devices of this type are adapted for use in different machines, such as packing machines, and are particularly utilized in the tobacco industry for feeding at a constant tension a continuous web of paper to a successive web-using machine, as well as in feeding apparatus guaranteeing that a loose web length be permanently present between the pay-off means and the respective web-braking device, so that the web-using machine is allowed to withdraw from the web-braking device a web being maintained at a substantially constant tension.
  • This invention aims to provide a suction/braking device of the type as disclosed at the outset, which is such that owing to simple and not much expensive means being used for making the same, any inconveniences in the known web-braking devices are eliminated.
  • the invention attains such an object by the provision of a suction/braking device of the type as described at the outset, for feeding at a constant tension a continuous web of paper, or the like, in which the perforated web-braking annular section forms part of a perforated web-braking cylindrical drum which is mounted so as to be rotatable around its axis over a stationary suction chamber formed in the inside of this drum, means being provided for clearing the suction ports in the annular section of the peripheral wall of the web-braking cylindrical drum, which are associated with a zone other than the zone in which the suction chamber is formed.
  • the means for clearing the suction ports in the annular section of the peripheral wall of the web-braking cylindrical drum consist of a stationary air-blowing chamber which is preferably formed in the inside of said drum, in a substantially diametrically opposite position to the suction chamber.
  • a suction chamber for collection and discharge of any paper dust having been ejected from the suction ports in the annular section of the peripheral wall of the web-braking cylindrical drum is provided on the outside of the said web-braking cylindrical drum, close to the air-blowing chamber.
  • the web-braking drum is conveniently rotated around its axis at a very low speed, as compared with the speed at which a paper web is being caused to slide, preferably in the reverse sense of the web sliding direction.
  • a suction/ braking device 1 for feeding at a constant tension a continuous web of paper to a web-using machine is located downstream of a paper web buffer magazine 2 and upstream of a web-using machine, not shown.
  • a paper web N is unwound from a bobbin 3, located upstream of the buffer magazine 2.
  • the device 4 for paying off a paper web from the respective bobbin is preferably adapted to simultaneously accomodate a pair of bobbins, that is, a bobbin 3 from which the web N is paid off, and a reserve bobbin 3'.
  • a splicing means 5 is provided, through which the web N being unwound from bobbin 3 is passed, and in which the leading free end of web N' from the reserve bobbin 3' is received.
  • the splicing means 5 is caused to splice the trailing end of web N from the just depleted bobbin 3 with the leading free end of web N' from the reserve bobbin 3'. Thanks to the paper web buffer magazine 2, the splicing of the trailing end of web N with the leading free end of web N' is generally performed with the webs N, N' being kept in their stationary condition.
  • the depleted bobbin 3 is then replaced with a complete bobbin which as the web is being unwound from bobbin 3', becomes in its turn the reserve bobbin.
  • the web-using machines are operated at a web-processing speed which normally is different from, particularly lower than the speed at which a paper web is being unwound from its bobbin, and since the paper web N tensioning and paying-off speed are subject to vary, the provision of the web-braking device 1 downstream of the paper web buffer magazine 2 renders it possible to have a paper web N fed at a constant tension to a web-using machine, whereby a proper operation of the machine is ensured.
  • the web-using machines may be of any type, and may be, for example, packing machines, or the like. This invention refers particularly to web-using machines applied to the field of the tobacco industry.
  • the web-braking device of the invention is of the suction type, and consists of a perforated web-braking cylindrical drum 10.
  • the suction ports 110 in drum 10 are distributed over the entire annular section of its peripheral wall, preferably in the fashion of a plurality of circularly arranged parallel rows of ports.
  • the web-braking drum 10 is mounted so as to be rotatable around its axis on a drum-supporting cylindrical body 11, and is made substantially air-tight to the ambient atmosphere.
  • the said drum-supporting cylindrical body 11 is stationary, and is formed in a peripheral portion thereof with an arcuate suction chamber 12, with its outward side being closed by the peripheral wall of the said web-braking cylindrical drum 10.
  • the suction ports 110 in that portion of the annular section of the cylindrical web-braking drum 10 peripheral wall, which is being respectively associated with the arcuate suction chamber 12 a suction is applied on the web (not shown) that is sliding over the said portion of the annular section of drum 10 peripheral wall, and a braking effect on the web speed is thus produced.
  • the said arcuate suction chamber 12 is preferably formed in the upper region of the cylindrical body 11.
  • the drum-supporting cylindrical body 11 is also formed in its peripheral region which is diametrically opposite to the suction chamber 12, with an air-blowing chamber 13 in direct communication with the perforated annular section of the peripheral wall of drum 10, just as the suction chamber 12 is.
  • the drum-supporting cylindrical body 11 is secured to the one end side of a distributor sleeve 14, with its opposite, other end side being formed with a flange 114. By this flange the said sleeve is secured by means of screws 15 to the device frame 9.
  • a suction duct 16 is formed in the distributor sleeve 14 and opens into the suction chamber 12 in the drum-supporting cylindrical body 11, and through a pipe 17 the said duct is connected to a vacuum generator (not shown).
  • the said distributor sleeve 14 is also formed with an air-blowing duct 18 opening into the air-blowing chamber 13 in the drum-supporting cylindrical body 11.
  • the air-blowing duct 18 is connected through a pipe 19 to a pressure generator, preferably to a compressed air source (not shown).
  • the cylindrical drum 10 has its central area secured to the flange 120 of a shaft 20 for driving this drum in rotation, which is passed through the drum-supporting cylindrical body 11, and is rotatably supported therein by bearings 21.
  • the free end of shaft 20 for driving the drum 10 in rotation extends into the distributor sleeve 14, where the said shaft free end is connected through a coupling 22 to the shaft 123 of a geared motor 23, which is preferably electrically actuated by a direct current.
  • a flange 24 which is integral with the geared motor 23, the said geared motor is fastened to the flange 114 for fixing the distributor sleeve 14 in position.
  • a collection and discharge chamber 25 is provided on the outside of the perforated annular section of the web-braking drum 10 peripheral wall, close to the air-blowing chamber 13.
  • the collection and discharge chamber 25 is open to drum 10 and bears against this drum in a substantially air-tight condition relative to the ambient atmosphere.
  • a suction duct 26 and a successive pipe 27 this chamber is connected to a vacuum generator (also not shown).
  • the web of paper (not shown) is caused to slide on that portion of the perforated annular section of the web-braking drum 10 peripheral wall which is being respectively associated with the stationary suction chamber 12.
  • a suction is applied on the paper web surface, whereby the web speed is slowed down.
  • the suction ports 110 in said drum will be alternatingly set in communication with the suction chamber 12 and the air-blowing chamber 13.
  • the paper dust blown into the collection and discharge chamber 25 is then sucked away therefrom.
  • the suction ports 110 in drum 10 are always perfectly clear throughout their width at the time these ports come to be set in communication with the suction chamber 12, so that a perfect braking of the web speed is ensured. This allows any undesired change in the paper web feeding tension to be prevented, which would generally bring about a malfunctioning of the successive web-using machine.
  • the web-braking drum 10 is provided on either sides of the perforated annular section of its peripheral wall with a web-guiding annular rim 210 which protrudes radially from the surface of the annular section of said drum peripheral wall.
  • This pair of oppositely arranged web-guiding rims 210 advantageously prevent that a paper web may be excessively displaced sideward, thus guaranteeing that the web surface will always cooperate with all of the suction ports 110 in the respective portion of the perforated annular section of drum 10 peripheral wall, on which the said web is sliding, and which is associated with the suction chamber 12. This renders it possible to avoid any undesired change in the web braking, resulting from the web being incorrectly positioned relative to the surface of the perforated web-braking annular section.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)
EP90125422A 1990-01-24 1990-12-24 Saugbremsvorrichtung zum Zuführen einer Papierbahn mit konstanter Spannung, oder dergleichen Expired - Lifetime EP0439827B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1240990 1990-01-24
IT12409A IT1238580B (it) 1990-01-24 1990-01-24 Dispositivo frenatore aspirante per l'alimentazione, a tensione costante,di un nastro continuo di carta,o simile

Publications (2)

Publication Number Publication Date
EP0439827A1 true EP0439827A1 (de) 1991-08-07
EP0439827B1 EP0439827B1 (de) 1995-02-15

Family

ID=11139828

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90125422A Expired - Lifetime EP0439827B1 (de) 1990-01-24 1990-12-24 Saugbremsvorrichtung zum Zuführen einer Papierbahn mit konstanter Spannung, oder dergleichen

Country Status (3)

Country Link
EP (1) EP0439827B1 (de)
DE (1) DE69016993T2 (de)
IT (1) IT1238580B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1062882A2 (de) 1999-06-24 2000-12-27 Hauni Maschinenbau AG Transporteinrichtung für einen von einer Bobine abgezogenen Hüllmaterialstreifen der tabakverarbeitenden Industrie
WO2018211116A1 (en) * 2017-05-19 2018-11-22 Philip Morris Products S.A. Machine for the production of a component for an aerosol generating article

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2254971A1 (de) * 1972-11-10 1974-05-22 Hauni Werke Koerber & Co Kg Vorrichtung zum entfernen von unbenutzten verbindungsblaettchen von einem foerderer einer filteransetzmaschine
DE3100814A1 (de) * 1981-01-13 1982-07-29 Günter O. 7432 Urach Stumpf Vorgabewalze
GB2098954A (en) * 1981-04-25 1982-12-01 Hauni Werke Koerber & Co Kg Apparatus for transporting and classifying discrete articles of the tobacco processing industry
GB2171286A (en) * 1985-02-26 1986-08-28 Gd Spa Feeding paper strip to a cigarette making machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2254971A1 (de) * 1972-11-10 1974-05-22 Hauni Werke Koerber & Co Kg Vorrichtung zum entfernen von unbenutzten verbindungsblaettchen von einem foerderer einer filteransetzmaschine
DE3100814A1 (de) * 1981-01-13 1982-07-29 Günter O. 7432 Urach Stumpf Vorgabewalze
GB2098954A (en) * 1981-04-25 1982-12-01 Hauni Werke Koerber & Co Kg Apparatus for transporting and classifying discrete articles of the tobacco processing industry
GB2171286A (en) * 1985-02-26 1986-08-28 Gd Spa Feeding paper strip to a cigarette making machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1062882A2 (de) 1999-06-24 2000-12-27 Hauni Maschinenbau AG Transporteinrichtung für einen von einer Bobine abgezogenen Hüllmaterialstreifen der tabakverarbeitenden Industrie
EP1062882A3 (de) * 1999-06-24 2006-01-25 Hauni Maschinenbau AG Transporteinrichtung für einen von einer Bobine abgezogenen Hüllmaterialstreifen der tabakverarbeitenden Industrie
WO2018211116A1 (en) * 2017-05-19 2018-11-22 Philip Morris Products S.A. Machine for the production of a component for an aerosol generating article
CN110505813A (zh) * 2017-05-19 2019-11-26 菲利普莫里斯生产公司 用于生产用于气溶胶生成制品的部件的机器
JP2020520632A (ja) * 2017-05-19 2020-07-16 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム エアロゾル発生物品用の構成要素の製造のための機械
US11363835B2 (en) 2017-05-19 2022-06-21 Philip Morris Products S.A. Machine for the production of a component for an aerosol generating article

Also Published As

Publication number Publication date
IT9012409A0 (it) 1990-01-24
DE69016993D1 (de) 1995-03-23
EP0439827B1 (de) 1995-02-15
IT9012409A1 (it) 1991-07-24
IT1238580B (it) 1993-08-18
DE69016993T2 (de) 1995-06-22

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