EP1136404B1 - Dispositif pour l'alignement longitudinal d'éléments en plaques dans une station d'introduction d'une machine les travaillant - Google Patents

Dispositif pour l'alignement longitudinal d'éléments en plaques dans une station d'introduction d'une machine les travaillant Download PDF

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Publication number
EP1136404B1
EP1136404B1 EP01103808A EP01103808A EP1136404B1 EP 1136404 B1 EP1136404 B1 EP 1136404B1 EP 01103808 A EP01103808 A EP 01103808A EP 01103808 A EP01103808 A EP 01103808A EP 1136404 B1 EP1136404 B1 EP 1136404B1
Authority
EP
European Patent Office
Prior art keywords
flaps
shaft
machine
plate
bearings
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
EP01103808A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1136404A3 (fr
EP1136404A2 (fr
Inventor
Georges Gombau
Patrick Lüscher
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 EP1136404A2 publication Critical patent/EP1136404A2/fr
Publication of EP1136404A3 publication Critical patent/EP1136404A3/fr
Application granted granted Critical
Publication of EP1136404B1 publication Critical patent/EP1136404B1/fr
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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/06—Movable stops or gauges, e.g. rising and falling front stops
    • 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
    • B31B50/044—Feeding sheets or blanks involving aligning
    • 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
    • B31B50/10—Feeding or positioning webs
    • B31B50/104—Feeding or positioning webs involving aligning
    • 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
    • B65H2402/30—Supports; Subassemblies; Mountings thereof
    • B65H2402/31—Pivoting support means
    • 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
    • B65H2402/60—Coupling, adapter or locking means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B65H2403/51—Cam mechanisms
    • B65H2403/512—Cam mechanisms involving radial plate cam

Definitions

  • the present invention relates to a device for alignment longitudinal of plate elements in a feed station machine working them for packaging production.
  • the elements in plate, or sheets of paper or cardboard are successively taken from the top of a pile and brought flat towards a linking work stations such as printing stations, cutting and ejection of waste, before being re-stacked in a reception.
  • the sheets are stored on a battery tray provided with automatic vertical movement with chains, so that the upper level of the stack remains constant during the introduction of the sheets into the production machine.
  • the leaves are taken, one by one from the top of the stack, by lifting suction cups which will carry them towards suction cups Conveyor. With a horizontal back-and-forth movement, the suction cups bring each sheet towards a table margin where the plate elements are thus deposited in a sheet.
  • One way to transport each sheet from the entrance from the margin table to the first processing station is to use jointly a training mat, consisting of belts, and pebbles pressers that keep the sheet on the carpet and bring it to the in front of the first work station. Each sheet is then taken away in the stations which follow by a clamp bar mounted on a train of chains.
  • a device which allows the longitudinal alignment of the sheets is usually formed of a transverse shaft connecting, from one end to the other, the width from the margin table. This tree is placed slightly below the level top of the sheet held by the suction cups. when is oriented vertically, a blade, extending along the transverse shaft and integral with it, acts as a stop for the front edge of the sheet and thus allows its alignment. Synchronized with the production rate of the machine, the shaft is driven in a repetitive movement in rotation from 0 to 45 degrees, so that the blade constitutes a shutter placed alternately in a closed vertical position, and in an open oblique position which allows in the latter case the passage of the sheet in the margin table.
  • the curl is particularly noticeable for sheets of corrugated cardboard and, is all the more marked that the thickness of the sheet is great or that the quality of the materials constituting the two sides of the sheet differs; which is often the case for aesthetic packaging boxes with prints.
  • the phenomenon of curling is not necessarily generalized by a deformation symmetrical about one of the two axes of symmetry of the sheet. It may be in fact that the leaf is affected by a more pronounced curvature in its left half than in its right half or vice versa.
  • Machine use of heavily tiled sheets poses different problems especially when introducing the sheet into the table margin, but also when aligning the front edge of the sheet just before its introduction. Being generally gripped by suction cups in its central part, the engagement of a heavily tiled sheet in the table margin causes discomfort in the lateral parts of the leaf which will tend to hook against the front edge of the margin table. Indeed, seen the concave curvature of the leaf, the edge of the lateral parts of these leaves is well below the introductory level which corresponds to the part leaf center, held by suction cups.
  • the shape of the side shelves, favoring the introduction of the leaf varies mainly according to the maximum clearance that can offer, in its lateral parts, the device for the longitudinal alignment of the leaf.
  • This clearance is inversely proportional to the space occupied by the side parts of the flap when it is adapted to the configuration necessary to allow the passage of sheets of a certain curl.
  • the greater the contact length of the front edge of the sheet against the shutter the better the alignment of the sheet and all the more the smaller the lateral clearance.
  • the object of the present invention proposes, for the longitudinal alignment of sheets, a universal joint device whose the shaft of the articulated stop flap can acquire a shape which adapts to the curvature of the front edge of the tiled sheet.
  • the device of this invention conforms to claim 1.
  • the advantages resulting from the present invention are mainly recorded in the fact that such a device allows on the one hand align the sheet on almost all of its front edge to a range of leaves affected by significant curling (up to 4 to 5%), symmetrical or asymmetrical.
  • the device according to the invention to the advantage of being able to remain permanently in the introduction station thanks to its particular ability allowing it to easily modify its geometry to adapt to the curved shapes of the tiled leaves.
  • none part must not be added or removed from the flap of said device, and no tools auxiliary is only necessary for its adjustment, which saves time sensitive during the preparation of the machine in the case of a new job.
  • the risk of losing certain parts of the shutter has the advantage of being totally excluded in this new concept.
  • Figure 1 is a perspective view of the device of the invention seen from the driver side of the machine in the downstream direction, in accordance in the direction of movement of the plate elements.
  • Figure 2 is a perspective view of the mechanism illustrating the kinematic chain of the device of the invention seen from the same angle.
  • Figure 3 is a top view of the device of the invention.
  • Figures 4 and 5 are side views from the side conductor, of the mechanism of FIG. 2 respectively when the shutter of stopper is closed, and when open.
  • Figure 1 provides a general view of the device 1 for the longitudinal alignment of plate elements 2, moving in the direction indicated by arrow 3 currently located on the longitudinal axis of the machine.
  • the plate element 2, illustrated in phantom, is only partially represented by its downstream part and has an asymmetrical curl whose curvature is visible from the driver's side.
  • Device 1 includes two shelves 5 and 6 folded down at an optimal angle and along an oblique line 7, so to constitute, for the most heavily tiled plate elements, two ramps to a margin table 8 illustrated schematically downstream by a mixed line.
  • the outer edges of shelves 5 and 6 are maintained respectively against the side consoles 9 and 10 of the device 1, and the edges interiors are fixed against two external bearings 11 and 12 held in the frame not shown of the packaging production machine.
  • inner bearings 13, 14 support, together with the outer bearings 11, 12, two pulleys 15, 16 in their upstream end.
  • Around these pulleys turn two belts 17, 18 ( Figure 3) which allow to bring on the table margin 8 each plate element 2 successively introduced into the packaging production machine.
  • Each segment of the PTO shaft supports an oriented flap upstream towards the downstream front edge of the plate element 2, so that the three flaps 30, 31, 32, rigorously aligned, constitute a stop transverse plane for the longitudinal alignment of the sheet 2.
  • the flaps are shown in a so-called closed position, ie in position vertical so as to oppose the passage of the element in plate 2 and thus constitute the alignment stop.
  • the central flap 30 is attached against the central segment 26 thanks to two supports 33 visible in FIG. 3. These supports are screwed on the upper part of the central segment, symmetrically about the longitudinal axis of the machine, on flat 34 machined by milling (figure 2).
  • the central flap 30 is finally fixed against these supports using screws 35.
  • the two side flaps 31 and 32 are held against the respective segments 27, 28 by screws 36 passing through and tightening flanges 37 regularly spaced on these segments.
  • the upper corners of the shutters are rounded, particularly pronounced for the outer corners of the side flaps 31, 32, thus ensuring maximum clearance for the passage of a sheet strongly tiled.
  • the central flap 30 has a horizontal rectilinear upper edge, thus that an opening 38 formed in its upper middle part. This opening allows the passage of an optical beam from a sensor, not illustrated, placed on the longitudinal axis of the machine downstream of the central flap. This sensor adjusts the height of the stack relative to the device allowing the longitudinal alignment of the sheets, which allows the introduction one sheet at a time on the margin table.
  • the side flaps 31, 32 are identical and have a trapezoidal shape such that by adjusting the height of their outer end by means of the vertical displacement of the bearings 21, 22 corresponding, it is possible to align the upper edge of these flaps with that of the central flap, thus defining a rectilinear horizontal line.
  • This configuration is illustrated in figure 1 by flaps 30 and 32 opposite side driver.
  • the trapezoidal shape of these side flaps is also machined such that when the height of their outer end is at the point the lower, their lower edge is parallel to the adjacent edge of a plate of protection 39 fixed by screws 40 ( Figure 3) to a member not shown connected to the frame of the machine.
  • This second configuration is shown in Figure 1 by the flaps 30 and 31 on the driver's side, which then follow the outline of the protective plate 39 by minimizing the interstitial space.
  • FIG. 2 illustrates the mechanism defining the kinematic chain of the device of the present invention.
  • the positions occupied by the various illustrated elements are strictly identical to those taken by the same elements in Figure 1. So that the flaps of the device 1 can alternately lower down, with the intention of allowing the passage of the element in plate 2, and get up to align the next element, it is necessary that the cardan shaft 24 is itself animated by this same movement varying within a determined angular range, preferably chosen between 0 and 45 degrees towards the direction of movement of the elements in plate.
  • This alternating movement is governed by a control lever 41 placed at the driver side end of a drive shaft 42. The latter is kept in rotation by the bearing 14 and by the side console 10 in which is another rolling bearing.
  • the alternating movement of the lever 41 is given by the cam 43 mounted on a shaft 44 which is driven in continuous rotation by a device, not illustrated, synchronized with the scrolling speed of the plate elements.
  • cam 43 is read by a read roller 45 mounted at the end of an arm 46.
  • the opposite end of this arm is rigidly fixed to the terminal part, opposite conductive side of the shaft 42 so that the rotary movement arm 46 can be transmitted to the control lever 41.
  • the control lever 41 oscillates from a high position to a low position, and vice versa, around the axis of the driveshaft 42.
  • a pull tab 48 Freely mounted in rotation, a pull tab 48 connects the joint 47 to the joint 49 firmly held on the central segment 26 of the cardan shaft.
  • the zipper 48 constitutes the central transmission element of a joint acting on the segment 26 of the cardan shaft, inducing a moment, alternately in one direction then in the other, which rotates the entire shaft 24 so as to be able to lower and successively raise the flaps 30, 31 and 32.
  • two tension springs 51, 52 connect respectively the lateral segments 27 and 28 of the cardan shaft with the pins 53 fixed rigidly against the outer face of the bearings 11 and 12.
  • the upstream end of these springs is held on a bearing placed between a spring clip 55 and a spacer 56 tightened together by a screw 57.
  • the spring clip is attached, like the flanges 37, to the corresponding side segment of the cardan shaft. Housed in shelves 5 and 6 above the springs, two openings 58 allow these last to evolve freely.
  • Figures 4 and 5 are side views, viewed from the side conductor, of the mechanism of FIG. 2 respectively when the flaps 30, 31, 32 are in the closed position, and when they are open. These two figures allow to better represent the movements of the parts of the mechanism which actuate the lowering and raising of the flaps of the device according to the invention.

Landscapes

  • Making Paper Articles (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Specific Conveyance Elements (AREA)
  • Advancing Webs (AREA)
EP01103808A 2000-03-08 2001-02-16 Dispositif pour l'alignement longitudinal d'éléments en plaques dans une station d'introduction d'une machine les travaillant Expired - Lifetime EP1136404B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4482000 2000-03-08
CH00448/00A CH693951A5 (fr) 2000-03-08 2000-03-08 Dispositif pour l'alignement longitudinal d'elements en plaques dans une station d'introduction d'une machine les travaillant.

Publications (3)

Publication Number Publication Date
EP1136404A2 EP1136404A2 (fr) 2001-09-26
EP1136404A3 EP1136404A3 (fr) 2003-01-02
EP1136404B1 true EP1136404B1 (fr) 2004-07-21

Family

ID=4515392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01103808A Expired - Lifetime EP1136404B1 (fr) 2000-03-08 2001-02-16 Dispositif pour l'alignement longitudinal d'éléments en plaques dans une station d'introduction d'une machine les travaillant

Country Status (12)

Country Link
US (1) US6481709B2 (zh)
EP (1) EP1136404B1 (zh)
JP (1) JP3418181B2 (zh)
KR (1) KR100414407B1 (zh)
CN (1) CN1152813C (zh)
AT (1) ATE271509T1 (zh)
BR (1) BR0100922B1 (zh)
CA (1) CA2339561C (zh)
CH (1) CH693951A5 (zh)
DE (1) DE60104350T2 (zh)
ES (1) ES2225322T3 (zh)
TW (1) TW491808B (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH693951A5 (fr) * 2000-03-08 2004-05-14 Bobst Sa Dispositif pour l'alignement longitudinal d'elements en plaques dans une station d'introduction d'une machine les travaillant.
CH694086A5 (fr) * 2000-05-16 2004-07-15 Bobst Sa Presse de façonnage.
CN103395299B (zh) * 2013-07-11 2016-05-11 汤振华 一种打印介质纵向定位机构
DE102014014939A1 (de) * 2014-10-07 2016-04-07 Kolbus Gmbh & Co. Kg Vorrichtung und Verfahren zum Aufrichten vorwiegend flächiger Materialzuschnitte
US20190016551A1 (en) 2017-07-14 2019-01-17 Georgia-Pacific Corrugated, LLC Reel editor for pre-print paper, sheet, and box manufacturing systems
US11449290B2 (en) 2017-07-14 2022-09-20 Georgia-Pacific Corrugated Llc Control plan for paper, sheet, and box manufacturing systems
US11520544B2 (en) 2017-07-14 2022-12-06 Georgia-Pacific Corrugated Llc Waste determination for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
US10642551B2 (en) 2017-07-14 2020-05-05 Georgia-Pacific Corrugated Llc Engine for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
US11485101B2 (en) 2017-07-14 2022-11-01 Georgia-Pacific Corrugated Llc Controls for paper, sheet, and box manufacturing systems
CN111169102B (zh) * 2020-01-18 2021-05-18 长兴县泗安民丰彩印厂 一种瓦楞纸板复合输出设备及其生产线
CN112721992B (zh) * 2021-01-29 2024-07-12 中车山东机车车辆有限公司 一种空气制动装置及轨道车辆

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Publication number Priority date Publication date Assignee Title
DE1013664B (de) * 1954-04-05 1957-08-14 Bobst & Sohn A G J Vorrichtung zum Einstellen der Anlegemarken in einer Bogen bearbeitenden Maschine, wie Druckmaschine und Presse zum Schneiden von Papier oder Pappe
JPS5680543U (zh) * 1979-11-27 1981-06-30
US4353540A (en) * 1980-08-29 1982-10-12 Xerox Corporation Sheet feeder with pivotable baffle
CH651807A5 (fr) * 1983-03-31 1985-10-15 Bobst Sa Dispositif d'asservissement des organes delivrant des feuilles prises dans une pile a une machine les travaillant.
JPS59198232A (ja) * 1983-04-26 1984-11-10 Canon Inc シ−ト搬送装置
JPS6082553A (ja) * 1983-10-07 1985-05-10 Fuji Xerox Co Ltd 原稿斜め送り補正装置
DE3504435A1 (de) * 1985-02-09 1986-08-14 Miller-Johannisberg Druckmaschinen Gmbh, 6200 Wiesbaden Bogen-druckmaschine mit bogenanlage an einem druckmaschinen-zylinder
JPS63229448A (ja) * 1987-03-18 1988-09-26 Minolta Camera Co Ltd 原稿位置合せ兼案内装置
JP2610137B2 (ja) * 1987-08-17 1997-05-14 リョービ株式会社 枚葉印刷機の前当位置調整装置
US4957285A (en) * 1988-04-07 1990-09-18 Konica Corporation Document feeder with sheet edge regulating mechanism
DE8816641U1 (de) * 1988-12-03 1990-01-25 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zur Passerkorrektur der Bogenaufdrucke in einer Bogenrotationsdruckmaschine
FI88477C (fi) * 1991-03-25 1993-05-25 Icl Personal Systems Oy Skrivare
DE4306238C2 (de) * 1993-02-27 1996-06-13 Heidelberger Druckmasch Ag Vorderkantenanschlag zum Ausrichten auf dem Anlegetisch
JPH0988989A (ja) * 1995-09-29 1997-03-31 Canon Inc ジョイント機構及びシート送り装置及び画像読取装置
JP3768578B2 (ja) * 1996-01-08 2006-04-19 キヤノン株式会社 シート斜行補正装置及びシート搬送装置及び画像形成装置
CH693951A5 (fr) * 2000-03-08 2004-05-14 Bobst Sa Dispositif pour l'alignement longitudinal d'elements en plaques dans une station d'introduction d'une machine les travaillant.

Also Published As

Publication number Publication date
DE60104350T2 (de) 2005-08-04
BR0100922A (pt) 2001-10-30
CN1312211A (zh) 2001-09-12
JP3418181B2 (ja) 2003-06-16
JP2001270637A (ja) 2001-10-02
DE60104350D1 (de) 2004-08-26
US6481709B2 (en) 2002-11-19
ATE271509T1 (de) 2004-08-15
CA2339561A1 (en) 2001-09-08
EP1136404A3 (fr) 2003-01-02
BR0100922B1 (pt) 2008-11-18
EP1136404A2 (fr) 2001-09-26
CN1152813C (zh) 2004-06-09
KR100414407B1 (ko) 2004-01-07
CA2339561C (en) 2006-03-28
ES2225322T3 (es) 2005-03-16
US20010020767A1 (en) 2001-09-13
KR20010088422A (ko) 2001-09-26
TW491808B (en) 2002-06-21
CH693951A5 (fr) 2004-05-14

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