EP0543153B1 - Jauge d'introduction pour dispositif d'alimentation de découpes de boîtes pliantes - Google Patents

Jauge d'introduction pour dispositif d'alimentation de découpes de boîtes pliantes Download PDF

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Publication number
EP0543153B1
EP0543153B1 EP92117795A EP92117795A EP0543153B1 EP 0543153 B1 EP0543153 B1 EP 0543153B1 EP 92117795 A EP92117795 A EP 92117795A EP 92117795 A EP92117795 A EP 92117795A EP 0543153 B1 EP0543153 B1 EP 0543153B1
Authority
EP
European Patent Office
Prior art keywords
gauge
front stop
introduction
fluid
blanks
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
EP92117795A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0543153A1 (fr
Inventor
Charles Vauthier
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.)
Bobst Mex SA
Original Assignee
Bobst SA
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 Bobst SA filed Critical Bobst SA
Publication of EP0543153A1 publication Critical patent/EP0543153A1/fr
Application granted granted Critical
Publication of EP0543153B1 publication Critical patent/EP0543153B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/06—Feeding sheets or blanks from stacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/04—Endless-belt separators
    • B65H3/042—Endless-belt separators separating from the bottom of the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/48—Air blast acting on edges of, or under, articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/56—Elements, e.g. scrapers, fingers, needles, brushes, acting on separated article or on edge of the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed

Definitions

  • the present invention relates to an introductory gauge for a device for supplying folding box blanks, comprising a vertical gauge body, rounded at its bottom, against which the folding box blanks are pressed to be introduced into the working machine.
  • the devices for introducing folding box blanks known to date, commonly called feeders by practitioners, generally include a lower transport member constituted by a series of endless belts placed side by side across the width of the device. These endless belts are driven by a drive roller placed at the front of the device and then pass around a driven roller placed at the rear of the aforementioned device. The upper strand of the endless belts is further supported by a series of rollers so as to constitute a transport plane having a relatively rigid surface.
  • a vertical gauge is placed substantially in the axis of the driving roller and above it.
  • the cutouts of folding boxes to be introduced are arranged in an inclined manner above the endless belts, their front edge coming to rest against an inclined surface of the gauge while their rear part rests on supports.
  • two gauges are mounted side by side across the width of the feeder.
  • a clearance corresponding substantially to the thickness of the cut to be introduced is left between the lower part of the gauge and the endless belt above which this gauge is mounted.
  • the cutouts of folding boxes are generally printed and, for folding requirements, the cutout is placed in the feeder so that the print is facing the endless belts.
  • the lower cutout of the stack located in the feeder will necessarily rub with its unprinted side on the printed side of the next cutout.
  • the introduction devices known to date therefore have certain drawbacks when introducing cutouts having printed surfaces very sensitive to scratches and to their degradation by friction.
  • the use of a conventional gauge means that there is always a certain pressure, due to the weight of the stack of cuts placed in the feeder, between the bottom cut of the stack and the next cut. This pressure produces a detrimental effect during the introduction of cutouts whose impression is very fragile, for example when working cutouts which have undergone printing with inks which are polymerizable with ultra-violet rays or in the case of a printing with inks with the same resistance characteristics.
  • the printing of the blanks is deteriorated to such an extent that the result results in the scrapping of the blanks of folding boxes thus worked.
  • the present invention aims to remedy the aforementioned drawbacks.
  • the invention consists of an introduction gauge according to what is stated in claim 1.
  • FIG. 1 schematically represents an introduction device 1 comprising a feeder 2 comprising a series of endless belts 3 arranged side by side over the width of said feeder 2.
  • the endless belts 3 are driven by a motor roller 4 placed at the front of the feeder and pass around a driven roller 5 located at the rear of the device.
  • the upper strand 6 of each of the endless belts 3 is supported by rollers 7 mounted in a beam 8 disposed under each of said endless belts 3.
  • a gauge 9 having a lower part 10 of rounded shape is mounted above and in the axis of one of the rollers or rollers supporting the endless belts 3.
  • a clearance 11, corresponding substantially to the thickness of a cutout 12 is left between the rounded bottom portion 10 of the gauge 9 so as to allow passage of the cutout 13.
  • the cutouts 12, respectively 13 are arranged in an inclined stack in the feeder 2 above the endless belts 3. Their front edge bears against the rounded part of the gauge and their rear part rests on supports 14.
  • the feeder 2 is placed upstream of the transport member 15 of the machine working the cuts for example a folder gluer.
  • Figure 2 illustrates the state of the art known to date for introducing cutouts 16, 17 having an imprint 18 on their underside.
  • the cutout 16 is shown here at the time when it will be introduced into the machine. It will pass, under the effect of the drive by the endless belt 3, under the gauge 9 and its upper face 19, not printed, will rub during the entire insertion operation on the printed face 18 of the blank next 17.
  • FIG. 3 represents the conditions of introduction prevailing when using an introduction gauge according to the invention.
  • the gauge 20 is arranged so as to be able to authorize a supply of fluid at the end of its lower part.
  • Figures 4 and 5 describe in detail the construction of this gauge.
  • the cutout 21 in Figure 3 is driven under the gauge 20 by the endless belt 3, this without there being friction of its printed face 22 on the belts.
  • a fluid 23, for example compressed air from a source (not shown), is constantly blown through the lower end of the gauge 20 on the unprinted face 24 of the cutout 21 and thus creates a flow of fluid , or even a fluid cushion, at the bottom of the gauge, flow or cushion of fluid which has the effect, inter alia, of eliminating the thermal effects of friction between the unprinted face of the cutout 21 and the printed face 25 of the next cutout 26, thereby avoiding any abrasion effect between the two cuts 21 and 26.
  • the flow or cushion of fluid may even cause a total absence of contact between the two cuts 21 and 26.
  • FIG 4 is a side view, in partial section of the gauge 20 of Figure 3.
  • This gauge 20 of rectangular section is fixed, so that it can be adjusted vertically, against a crosspiece 27 extending between the two side frames (not shown) of feeder 2 using a special screw 28.
  • the lower end of the gauge 20 has a straight surface 29 as well as a rounded part 30 connecting said straight surface 29 and the contact face 31 of the gauge.
  • This same lower end of the gauge 20 has a bore 32 pierced right through the width of the gauge 20.
  • Channels 33 for supplying fluid three in number in the present embodiment connect the bore 32 to the atmosphere by opening into the right surface 29.
  • these fluid supply channels 33 are drilled along a perpendicular to the plane defined by the straight surface 29.
  • the bore 32 is closed at one of its ends by a screw 34 provided with a seal 35 while its other end is equipped with a threaded connection 36 connected to the fluid supply pipe 37.
  • three channels 33 are arranged in the lower end of the gauge 20. It is understood that depending on the characteristics of the prints made on the blanks or according to their grammage, one could imagine using a lower or higher number of channels 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Closing Of Containers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
EP92117795A 1991-11-21 1992-10-19 Jauge d'introduction pour dispositif d'alimentation de découpes de boîtes pliantes Expired - Lifetime EP0543153B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3413/91 1991-11-21
CH341391A CH686364A5 (fr) 1991-11-21 1991-11-21 Jauge d'introduction pour dispositif d'alimentation de decoupes de boîtes pliantes.

Publications (2)

Publication Number Publication Date
EP0543153A1 EP0543153A1 (fr) 1993-05-26
EP0543153B1 true EP0543153B1 (fr) 1995-01-25

Family

ID=4255456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92117795A Expired - Lifetime EP0543153B1 (fr) 1991-11-21 1992-10-19 Jauge d'introduction pour dispositif d'alimentation de découpes de boîtes pliantes

Country Status (12)

Country Link
US (1) US5372358A (ja)
EP (1) EP0543153B1 (ja)
JP (1) JPH089209B2 (ja)
KR (1) KR100227432B1 (ja)
AT (1) ATE117654T1 (ja)
BR (1) BR9204491A (ja)
CA (1) CA2080200C (ja)
CH (1) CH686364A5 (ja)
DE (1) DE69201295T2 (ja)
DK (1) DK0543153T3 (ja)
ES (1) ES2067285T3 (ja)
TW (1) TW202409B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2228205A1 (fr) 2009-03-12 2010-09-15 Bobst Sa Machine plieuse-colleuse

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639916A (en) * 1949-07-19 1953-05-26 Gardner Board & Carton Co Timed feeding device for carton blanks
US2806696A (en) * 1955-05-17 1957-09-17 Deritend Eng Co Mechanism for feeding cardboard or the like from a pile or stack
US3664660A (en) * 1967-12-20 1972-05-23 Ruenzi Kurt Device for feeding flat objects to a processing machine
US3627308A (en) * 1970-05-25 1971-12-14 Eastman Kodak Co Sheet separator
US3655181A (en) * 1970-12-23 1972-04-11 Harold E Paulson Printing press feeder
CH556788A (fr) * 1972-10-06 1974-12-13 Bobst Fils Sa J Dispositif d'alimentation en feuilles de carton fort ou ondule.
CH565697A5 (ja) * 1973-02-28 1975-08-29 Bobst Fils Sa J
US3934869A (en) * 1973-12-20 1976-01-27 Xerox Corporation Sheet separating and feeding apparatus
EP0027045B1 (en) * 1979-10-03 1985-01-23 Xerox Corporation Bottom sheet separator-feeder
IT1135333B (it) * 1981-02-06 1986-08-20 Grassi Alfredo & C Dispositivo mettifoglio a nastri di gomma,per l'alimentazione intermittente di cartoni o fustellati
US4463942A (en) * 1982-08-12 1984-08-07 Newsome John R Hollow needle for card separation
US4771896A (en) * 1986-06-30 1988-09-20 Newsome John R Apparatus for forming a running shingle of documents
JPH0475936A (ja) * 1990-07-17 1992-03-10 Fuji Photo Film Co Ltd シート体剥離機構
US5088711A (en) * 1990-08-27 1992-02-18 Newsome John R Machine for transporting and loading signatures
US5222720A (en) * 1990-08-27 1993-06-29 Newsome John R Hopper with third lifter

Also Published As

Publication number Publication date
KR100227432B1 (ko) 1999-11-01
EP0543153A1 (fr) 1993-05-26
DE69201295D1 (de) 1995-03-09
BR9204491A (pt) 1993-05-25
CH686364A5 (fr) 1996-03-15
DK0543153T3 (da) 1995-06-06
TW202409B (ja) 1993-03-21
CA2080200A1 (en) 1993-05-22
ES2067285T3 (es) 1995-03-16
DE69201295T2 (de) 1995-05-24
JPH089209B2 (ja) 1996-01-31
JPH05220871A (ja) 1993-08-31
ATE117654T1 (de) 1995-02-15
CA2080200C (en) 1998-12-22
KR930009672A (ko) 1993-06-21
US5372358A (en) 1994-12-13

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