US3789714A - Web feeding and cutting arrangements - Google Patents

Web feeding and cutting arrangements Download PDF

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Publication number
US3789714A
US3789714A US00173707A US3789714DA US3789714A US 3789714 A US3789714 A US 3789714A US 00173707 A US00173707 A US 00173707A US 3789714D A US3789714D A US 3789714DA US 3789714 A US3789714 A US 3789714A
Authority
US
United States
Prior art keywords
web
cutting
pinch rollers
webs
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00173707A
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English (en)
Inventor
H Demny
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.)
Maschinenfabrik Alfred Schmermund GmbH and Co
Original Assignee
Maschinenfabrik Alfred Schmermund GmbH and Co
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 Maschinenfabrik Alfred Schmermund GmbH and Co filed Critical Maschinenfabrik Alfred Schmermund GmbH and Co
Application granted granted Critical
Publication of US3789714A publication Critical patent/US3789714A/en
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
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/444—Tool engages work during dwell of intermittent workfeed
    • Y10T83/462—Plurality of work feed means in separate paths
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/525—Operation controlled by detector means responsive to work
    • Y10T83/536—Movement of work controlled
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6571—With means to store work articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/889—Tool with either work holder or means to hold work supply
    • Y10T83/896—Rotatable wound package supply
    • Y10T83/902—Plural supply sources

Definitions

  • ABSTRACT This invention relates to an arrangement for feeding a web of material through a cutting device. Independently operable withdrawing and guiding means for drawing two webs of material from respective bobbins are provided. Both webs are brought into the vicinity of the cutting device.
  • One web remains at rest, while the other, in an intermittent motion, travels further into the cutting device and is transversely cut by this device during stop periods of this travel.
  • the trailing end of the first web is detected, indicating that the supply of web from thefirst bobbin is exhausted, the other web is traversed through the cutting device whilst the first bobbin is replenished.
  • the invention relates to an arrangement for web feeding and cutting, the web being of flexible material.
  • Such arrangements are, for example, used in connection with or form part of wrapping machines for enveloping articles or collections of articles in flexible wrappers.
  • the motion of the web is intermittent and the cutting occurs in a motion transverse to the this travel.
  • the embodiment illustrated comprises means in the shape of two shafts 1 and 101 for rotatably carrying two bobbins 2 and .102, each for storing a web Band 103 respectively.
  • the shaftsl and 101 are mounted on a support 4 the shape of which maybe suited to requirements of each case.
  • Rods 5 and 105, rotatably mounted respectively on shafts 6 and 106 held by the carrier 4, are provided with rollers 7 and 107 which guide the webs 3 and 103.
  • the rollers 7 and 107 under the action of suitable spring means (not shown) or under the action of gravity, tension the webs 3 and 103.
  • Further guide rollers 8 and 108 mounted on the support 4 guide the webs 3 and 103 to means for drawing each web from its bobbin 2 or 102 respectively, the drawing means being in the shape of two pairs of co-operating rollers 16, 17 and 116, 117 rigidly connected to pairs of normally meshing gear ,wheels 11, 12 and 111, 112. Guiding means 13 and 113 guide the webs 3 and 103 so that they approach each other at an acute angle before they reach a reciprocatable cutter blade 14 and are parallel and close to 'each other immediately in front'ofthe cutter blade '14.
  • the cutter blade 14 cooperates with a stationary cutter blade 15 (see also FIG. 3).
  • a lever arrangement 18 the reciprocatable cutter 14 is operable by an oscillating shaft 19 which is oscillatable by a cam arrangement (not shown) and spring means 22.
  • the pairs of gear wheels 11, 12 and 111, 112 are driven by a rotatable main shaft 23 through a gear wheel 24 geared thereto and through further gear wheels 25, 26, 27, 28 and two electromagnetic couplings 31, one for each of said pairs of gear wheels 11, 12 and 111, 112. Only one of the electromagnetic couplings 31 is visible in FIG. 2.
  • the electromagnetic couplings are operable 'by electric coils 32 only one of which is visible in FIG. 2.
  • the gear wheels 11 and 111 are in operation rotated only when the respective electromagnetic coupling is actuated by energizing its electric coil 32.
  • Manually operable handles 33, 133 enable the rollers 17, 117 to be removed against the action of springs 34, 134 from the rollers 16, 116 to facilitate the insertion of the webs 3, 103. between the respective pair of rollers 16, 17 and 116, 117.
  • the webs 3 and 103 are manually drawn from the bobbins 1, 102, passed about the rollers 7, 107, and the further rollers 8, 108.
  • the handles 33,133 are operated so that the rollers of each pair of rollers l6, l7 and 116, 117 are distanced from each other, and the leading ends of the webs are inserted between the rollers of each pair. Subsequently, the handles 33, 133 are returned to their normal positions so that each web 3, 103 is gripped between the respective pair of rollers 16, 17 and 116, 117.
  • the handles 35, 135 are; now oscillated whereby the rollers 16, 17 and 116, 117 are rotated in steps until the'leading ends of the webs 3, 103 travelling through the guiding means 13, 113 lie immediately in front of the cutter 14
  • One of the electromagnetic couplings 31 is rendered operative by energizing its electric coil 32 so that the respective pair of rollers 16, 17 or 116, 117 starts rotating, thereby drawing one of the webs 3 or 103 past the cutters 14, 15, which are operated, in a manner known per se to cut predetermined lengths of wrapping material from the respective web.
  • a pair of such photoelectric sensing devices are indicated schematically in FIG. 1 by the light sources 300 and 400 and corresponding photosensitive receivers 301 and 401. These receivers incorporate suitable amplifying and inverter devices to provide control signals which de-energize one of the electric coils 32.0f one of the electromagnetic couplings 31 and energize the electric coil 32 of the other electromagnetic coupling.
  • the electrical connections between the photosensitive receivers 301, 401 and the corresponding electric coils 32 are not shown in the drawing since these connections and associated control devices may be of a kind well known per se When one of the photoelectric sensing devices 300, 301 and 400,
  • the respective' device provides a control signal for deenergizing the electric coil 32 of the corresponding electromagnetic coupling and energizing the electric coil 32 of the other electromagnetic coupling.
  • This renders the first electromagnetic coupling inoperative and the other electromagnetic coupling operative,
  • This causes the other pair of rollers to rotate so as to draw the other web from its bobbin and feed it to the cutters 14, 15. While this continues the empty bobbin 2 or 102 (as the case may be) is removed and replaced by a fresh, loaded bobbin. Its web is manually passed about the rollers 7 and 8 or 107 and 108.
  • the appropriate handle 33 or 133 is operated so that the nonrotating pair of rollers 16, 17 or 116, -117 are distanced from each other.
  • the handle 33 or 133 is returned to its normal position, the web is gripped between the non-rotating pair of rollers'16, 17 or 116, 117.
  • the said non-rotating pair of rollers is now rotated in steps by manually oscillating 'the respective handle 35 or 135. Thereby the leading end of the fresh web is moved'forward. Oscillating of the handle 35 or 135 is interrupted when the leading end of the fresh web is at a short distance of about 1 millimetre from the reciprocating cutter 14.
  • the insertion of the fresh web can be effected while the other web continues to travel beyond the cutters 14 and 15, when the supply of the other web ceases, the electromagnetic couplings are again actuated so that the pair of rollers rotating up to now are stopped and the other pair of rollers are rotating.
  • a web feeding and cutting machine comprising;
  • each of said bobbins being adapted to store a web
  • a pair of pinch rollers corresponding to each of said bobbins and adapted to selectively engage a web stored on the bobbins corresponding thereto, thereby drawing said web therebetween when said pinch rollers are drivenin rotation;

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)
US00173707A 1968-07-19 1971-08-12 Web feeding and cutting arrangements Expired - Lifetime US3789714A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34599/68A GB1215047A (en) 1968-07-19 1968-07-19 A web feeding and cutting arrangement

Publications (1)

Publication Number Publication Date
US3789714A true US3789714A (en) 1974-02-05

Family

ID=10367647

Family Applications (1)

Application Number Title Priority Date Filing Date
US00173707A Expired - Lifetime US3789714A (en) 1968-07-19 1971-08-12 Web feeding and cutting arrangements

Country Status (6)

Country Link
US (1) US3789714A (de)
BE (1) BE736087A (de)
CH (1) CH501547A (de)
DE (1) DE1935918A1 (de)
FR (1) FR2013253A1 (de)
GB (1) GB1215047A (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948020A (en) * 1974-04-10 1976-04-06 Hauni-Werke Korber & Co. Kg Apparatus for manipulating sheet-like blanks in packing machines for cigarettes or the like
US3983774A (en) * 1973-09-21 1976-10-05 G. D. Societa Per Azioni Apparatus for producing a continuous succession of wrapper sheets for use in a wrapping machine
EP0893240A1 (de) * 1997-07-25 1999-01-27 Scruton Investments Inc. Vorrichtung zum automatischen und kontinuierlichen Zuführen von einziehbarer Schwenktülle für Pappkartons und dgl.
EP1379457A1 (de) 2001-04-10 2004-01-14 Cermex-Quest Conditionnement Verfahren zum rüsten einer einwickelmaschine mit folie, und einwickelmaschine zur durchführung des verfahrens
US6735924B2 (en) * 2001-01-17 2004-05-18 Serac Group Device for presenting lids to moving sealing stations
US20090023569A1 (en) * 2007-07-16 2009-01-22 Frost Alexandre J Apparatus and method for printing and dispensing a web

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1440927A (en) * 1972-10-31 1976-06-30 Schmermund A Web cutting device
GB1440925A (en) * 1972-10-31 1976-06-30 Schmermund A Web cutting device
CS167015B1 (de) * 1973-07-24 1976-04-29
CS179234B1 (en) * 1975-11-28 1977-10-31 Karel Petru Equipment for continuous supply of packing material
GB1577598A (en) * 1977-11-28 1980-10-29 Baker Perkins Holdings Lts Wrapping machines
IT1145778B (it) * 1981-06-03 1986-11-12 Gd Spa Dispositivo di alimentazione e taglio in spezzoni un nastro continuo con cambio automatico della bobina di svolgimento del nastro
DD276666A1 (de) * 1988-11-04 1990-03-07 Nagema Veb K Vorrichtung zum aneinanderschliessen von packmittelbahnen
CN119873458A (zh) * 2025-03-27 2025-04-25 浙江菲摩斯纺织有限公司 一种复合阻燃沙发布的加工收卷装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160047A (en) * 1960-11-21 1964-12-08 Lanston Ind Inc Roll film dispenser
US3245297A (en) * 1965-01-25 1966-04-12 Julius Duberstein Plastic tube cutter and dispenser

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160047A (en) * 1960-11-21 1964-12-08 Lanston Ind Inc Roll film dispenser
US3245297A (en) * 1965-01-25 1966-04-12 Julius Duberstein Plastic tube cutter and dispenser

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983774A (en) * 1973-09-21 1976-10-05 G. D. Societa Per Azioni Apparatus for producing a continuous succession of wrapper sheets for use in a wrapping machine
US3948020A (en) * 1974-04-10 1976-04-06 Hauni-Werke Korber & Co. Kg Apparatus for manipulating sheet-like blanks in packing machines for cigarettes or the like
EP0893240A1 (de) * 1997-07-25 1999-01-27 Scruton Investments Inc. Vorrichtung zum automatischen und kontinuierlichen Zuführen von einziehbarer Schwenktülle für Pappkartons und dgl.
US6735924B2 (en) * 2001-01-17 2004-05-18 Serac Group Device for presenting lids to moving sealing stations
EP1379457A1 (de) 2001-04-10 2004-01-14 Cermex-Quest Conditionnement Verfahren zum rüsten einer einwickelmaschine mit folie, und einwickelmaschine zur durchführung des verfahrens
US20090023569A1 (en) * 2007-07-16 2009-01-22 Frost Alexandre J Apparatus and method for printing and dispensing a web
WO2009011754A1 (en) * 2007-07-16 2009-01-22 Cryovac, Inc. Apparatus and method for printing and dispensing a web
RU2429998C1 (ru) * 2007-07-16 2011-09-27 Криовак, Инк. Устройство и способ печатания на полотне и дозирования полотна
US8186896B2 (en) 2007-07-16 2012-05-29 Cryovac, Inc. Apparatus and method for printing and dispensing a web

Also Published As

Publication number Publication date
CH501547A (de) 1971-01-15
FR2013253A1 (de) 1970-03-27
BE736087A (de) 1969-12-16
DE1935918A1 (de) 1971-02-11
GB1215047A (en) 1970-12-09

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