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EP1059256A1 - Dispositif pour corriger la position d'objects plats arrivant en formation imbriquée - Google Patents

Dispositif pour corriger la position d'objects plats arrivant en formation imbriquée Download PDF

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Publication number
EP1059256A1
EP1059256A1 EP00109324A EP00109324A EP1059256A1 EP 1059256 A1 EP1059256 A1 EP 1059256A1 EP 00109324 A EP00109324 A EP 00109324A EP 00109324 A EP00109324 A EP 00109324A EP 1059256 A1 EP1059256 A1 EP 1059256A1
Authority
EP
European Patent Office
Prior art keywords
conveyor
objects
retaining
working section
conveying
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
EP00109324A
Other languages
German (de)
English (en)
Other versions
EP1059256B1 (fr
EP1059256B9 (fr
Inventor
Egon Hänsch
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.)
Ferag AG
Original Assignee
Ferag AG
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 Ferag AG filed Critical Ferag AG
Publication of EP1059256A1 publication Critical patent/EP1059256A1/fr
Publication of EP1059256B1 publication Critical patent/EP1059256B1/fr
Application granted granted Critical
Publication of EP1059256B9 publication Critical patent/EP1059256B9/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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6654—Advancing articles in overlapping streams changing the overlapping figure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance

Definitions

  • the present invention relates to a device for Correct the position of flaking on a first conveyor resulting flat objects, in particular Printed products, according to the preamble of the claim 1.
  • a device of this type is known from CH-A-677 778.
  • the conveyor is between the conveyor belts forming the conveyor level a position changing device arranged. she has two juxtaposed in the conveyor plane, oppositely driven discs on which eccentric one shift cam each sits. These shifting cams are intended to be at the rear edge each in a shingled stream on the first conveyor accruing object in plant and this accelerate in the direction of conveyance and the second conveyor feed.
  • a braking device is assigned to this, which is designed by the rotation of the Discs accelerated objects to the conveying speed of the second conveyor.
  • the position change device is considered to be all-round driven pressure belt trained restraint upstream to at least that with the the shifting cam accelerated printed product in Touching subsequent print product against Secure take-away.
  • This device In addition to the risk of injury to the Printed products as a result of using this device, especially associated with large processing capacity high speeds, accelerations and decelerations there is a risk that at a very small distance the trailing edges of successive printed products the restraint is ineffective and that the affected Print product subsequent print product is taken out of time.
  • a device that handles the objects with care is more universal, is in the older international patent application No. PCT / CH98 / 00561. It has a sliding element, which by means of a drive is moved along a path of motion, at least one working section of the trajectory approximately straight and at least approximately in the conveying direction of flat objects, such as printed products, runs.
  • the sliding element is in the working section driven at a speed without delay, those at the downstream end of the work section when the items are handed over to a second conveyor at least approximately equal to the conveying speed of this second sponsor.
  • the frequency at which that Sliding element in the direction of conveyance F through the working section is about 1.2 to 1.4 times as large as the quotient from the first conveying speed, with which fed the objects to the working section and an allowable minimum distance between the Trailing edges of successive objects in the resulting Scale formation. If the allowable minimum Distance between the trailing edges successively Objects in the resulting scale formation fell short there is a risk that the one object too close following next item as a result of Frictional forces taken away and conveyed uncorrected becomes.
  • a retention device points downstream of the displacement element a restraining element on that in the trajectory the front edge of the objects protrudes and from this position outside the area of the trajectory the leading edge is only moved when an object may move past in the correct position.
  • the retention element almost forms a lock that is only too precisely defined Lets an object run through at times. An object that is not in the correct position is held back, until the retaining element releases it in phase. By Interaction of the retaining element with the sliding element is both by acting on the leading edge and / or trailing edge always ensure that only one object and this in the correct phase second sponsor.
  • the Objects when moving in a controlled mutual situation held. Influencing a neighboring one Object due to frictional forces cannot take place.
  • the device shown in FIG. 1 has a first conveyor 10 designed as a ribbon conveyor, the conveyor ribbons 12 of which are driven continuously in the conveying direction F at a speed v 1 .
  • the conveyor belts 12 At the downstream end of the first conveyor 10, the conveyor belts 12, as is generally known, are guided around deflecting wheels which are mounted on the same axis.
  • the shaft on which these deflection wheels are mounted is designated by 14.
  • further deflection wheels 18 - of which only one is visible in FIG. 1 - of the same diameter, which are wedged onto the shaft 14 and around which the further conveyor belts 12 'of a second conveyor 16 which is connected directly downstream of the first conveyor 10 are guided are.
  • the second conveyor 16 is now also driven in the conveying direction F but at a conveying speed v 2 which is greater than the conveying speed v 1 of the first conveyor.
  • pressure rollers 20 are freely rotatably mounted, which, together with the conveyor belts 12 ′ guided around the deflection wheels 18 concerned, form a conveying gap for the flat objects 22, in the present case folded printed products such as newspapers, magazines and the like, form.
  • the pressure rollers 20 are arranged at the free end of a bearing lever 26 pivotably mounted on a machine frame 24, which is held in the direction of the shaft 14 by means of a compression spring 28 acting between itself and the machine frame 24.
  • the conveyor belts 12 ' and pressure rollers 20 form a conveyor gap 30 for the articles 22, which are fed to the second conveyor 16 in the correct position and phase.
  • a sliding block 32 of a retaining device 34 is wedged onto the shaft 14.
  • the sliding block 32 has sections 32 ′, which are distributed uniformly in the circumferential direction and concentrically with the shaft 14, and indentations 36 therebetween.
  • the retaining device 34 has a spring element 38 designed as a leaf spring, the longitudinal direction of which extends approximately in the conveying direction and which is held clamped on the machine frame 24 with its upstream end section 40 in such a way that its opposite end 40 'is on the pressure roller 20 and thus the movement path of the objects 22 facing side of the link wheel 32 bears against it under prestress.
  • the end section 40 is clamped between the machine frame 24 and a support body 42, to which a leaf spring 44 is fastened, which rests with an arc formed by a crank on the spring element 38 in the vicinity of its free end 40 ' and whose bent end section is a retaining element 46 Restraint device 34 forms.
  • the retaining element 46 which runs approximately at right angles to the conveying direction F, is held above the spring element 38 by means of the link wheel 32 via the conveyor belts 12 in the path of movement of the front edges 22 'of the objects 22 in a retaining position when the end 40 ' abuts one of the sections 32 ' .
  • this end 40 ' enters an indentation 36, as a result of which the retaining element 46 is briefly moved back out of the path of movement of the front edge 22 ' of the objects 22 in the direction downward into a release position.
  • An object 22, which may be in contact with the retaining element 46 with its front edge 22 ′ is thereby released and conveyed into the conveying gap 30.
  • the free end 46 ' of the object fed to the second conveyor 16 comes to rest on the flat side 48 lying underneath and remains in its further conveyance until the next movement out of the movement path of the leading edges 22 ' of the objects 22.
  • the objects 22 are conveyed in a scale formation in which each object rests on the trailing one.
  • the spring element 38 ensures that the end 46 ' bears against the flat side of the object 22 in question, even if its distance from the conveyor belt 12 increases as a result of the subsequent object 22 below.
  • the retaining element 46 should preferably be located as close as possible to the conveying gap 30 upstream of the conveying gap 30.
  • a position changing device 50 for the articles 22 fed in scale formation S is arranged upstream of the retaining device 34 and above the first conveyor 10.
  • the position change device 50 has a support wheel 52 which is continuously driven about its axis 52 ' running at right angles to the conveying direction F, on which is uniformly distributed along a circle around the axis 52 ' in the circumferential direction and around bearing stub 54 parallel to the wheel axis 54 in the manner of a two-armed lever are stored.
  • a control roller 58 is freely rotatably mounted thereon, which cooperate with a fixedly arranged control link 60 running around the axis 52 ′ .
  • the control rollers 58 are drawn inwards in the radial direction and thus in the direction against the control link 60 by means of a tension spring 62 which is only indicated schematically. Furthermore, a leaf spring element 64 is attached to each bearing body 56 at its free end in the radial direction towards the outside, and projects on the side facing away from the control roller 58 in a cantilever manner over the bearing body 56. The bent end region 66 of the leaf spring element 64 forms a displacement element 68, which is intended to feed an object 22 fed by means of the first conveyor 10 to the retaining element 46 and then to the conveyor gap 30 and then to the second conveyor 16 at the rear edge 22 ′′ .
  • the direction of rotation D and the continuous rotational speed of the supporting wheel 52 are selected such that the displacement elements 68 move in a working section 70 of their orbit 72 in the conveying direction F at a speed v 3 which is greater than the conveying speed v 1 and less than or equal to that Conveying speed v 2 of the second conveyor 16 is.
  • the control link 60 is shaped in such a way that the sliding element 68, ie the leaf spring element 64, rests with its free end 66 ′ at the upstream end 70 ′′ of the working section 70 against the free flat side 48 ′ of an object 22 lying above and sliding against it up to to the downstream end 70 'of the working section 70.
  • the spring properties of the leaf spring element 64 and the spring 62 also contribute to this.
  • the control link 60 is formed in the working section 70 in such a way that, in the thinnest scale formation S to be processed, the control roller 58 bears against it and the leaf spring element 64 bears against the flat side 48 ′ under pretension.
  • control roller 58 stands out from the control link 60 against the force of the tension spring 62.
  • the bearing bodies 56 are pivoted against the direction of rotation D by means of the control link 60, such that the displacement element 68 lifts off from the objects 22.
  • the downstream end 70 ′ of the working section 70 is at a distance from the conveying gap 30 which corresponds approximately to the length of the objects 22 arranged in the scale formation S measured in the conveying direction.
  • the distance between the end 70 'of the working section 70 and the retaining element 46 is only slightly smaller than the above-mentioned distance.
  • the preferred frequency with which the displacement elements 68 are moved in the conveying direction F through the at least approximately rectilinear working section 70 is approximately 1.2 to 1.4 times as large as the quotient from the first conveying speed v 1 at which the objects 22 are fed and a permissible minimum distance A 1 between the rear edges 22 ′′ of successive objects in the resulting scale formation S.
  • the conveying speed v 2 of the second conveyor is preferably at least approximately 2 to 4 times as large as the first conveying speed v 1 .
  • the quotient of the second conveying speed v 2 and the desired distance A 2 , in which the articles 22 are conveyed further, is far greater than the quotient of the first conveying speed v 1 and the minimum distance A 1 in the formation that arises.
  • the working section 70 of the movement path 72 is preferably at least approximately twice as long as the permissible minimum distance A 1 between the trailing edges 22 '' of successive objects 22 in the resulting formation, as is described in the earlier Swiss patent application 1997 2986/97 and the corresponding international patent application PCT / CH98 / 00561.
  • the device according to the invention with the retaining device 34 ensures that all the articles 22 supplied are conveyed in the correct position and in the correct phase even if the admissible minimum distance A 1 in the supplied scale formation of individual articles 22 falls below. This is explained with reference to FIGS. 2 to 6. These show the device shown in FIG. 1 at different points in time of a work cycle; the same reference numerals as in Fig. 1 are used for the same parts.
  • a shifting element designated 68 ' in FIG. 2 has just pushed an object 22 into the conveying gap 30 by pushing on its rear edge 22 '' with the front edge 22 ' ahead and swiveling clockwise from the flat side 48 '' above of the next one Item 22 removed.
  • the retaining element 46 lies in the retaining position on the lower flat side 48 of the object which has been fed to the conveying gap 30.
  • the displacement element 68 following the displacement element 68 ' has placed itself on the upstream end 70 ''of the working section 70 on the flat side 48 '' of the object 22 next to it.
  • the object immediately leading this object - hatched for better identification - has a distance from the rear edge 22 ′′ of the object 22 fed to the conveying gap 30 that is shorter than the minimum distance A 1 .
  • this object 22 now comes to rest with its front edge 22 ' on the retaining element 46 which is in the retaining position, as a result of which it is retained and prevented from being carried along in the conveying direction F.
  • the retention element 46 is moved back out of the path of movement of the front edge 22 ′ into the release position, after which the displacement element 68 continues to convey the object 22 with the front edge 22 ′ ahead into the conveying gap 30 can. This is shown in FIG. 4. In this figure it can also be seen that the retaining element 46 is brought back into the retaining position immediately after the release of an object 22.
  • FIG. 5 shows, when the downstream end 70 'of the working section 70 reaches the sliding element 68, it moves away from the object 22 which has been introduced into the conveying gap 30. A subsequent sliding element 68 has meanwhile reached the working section 70 and is located on the rear edge 22 '. 'of the following object 22 created.
  • This is now conveyed by the relevant shift element 68 at the speed v 3 to the conveying gap 30 - FIG. 6 - whereby, as a result of the synchronization between the position changing device 50 and the retaining device 34, the retaining element 46 is moved back into the release position when the relevant shift element 68 by the length of the object 22, measured in the conveying direction, is removed from the retaining element 46.
  • the front edge 22 ′ of the article 22 can be moved past the retaining device 34 unhindered and fed to the conveyor gap 30.
  • FIG. 7 shows an embodiment of the device which is suitable for correcting the position of objects 22 in phase, which are fed in a scale formation S ' in which each object rests on the preceding one.
  • the first conveyor 10 and the second conveyor 16 are of the same design as in the device according to FIGS. 1 to 6, but now the shaft 14 ' on which the deflection wheels 18 for the conveyor belts 12, 12 ' of the conveyors 10 and 16 are mounted are resiliently suspended in the direction biased towards the top. These deflection wheels 18 now take over the function of the pressure rollers 20 of the embodiment shown in FIG.
  • the restraint device 34 is formed in mirror image to the restraint device 34 shown in FIG. 1 and described above.
  • the position change device 50 arranged below the first conveyor 10 and upstream of the retaining element 46 is a mirror image of the position change device 50 shown in FIG. 1 and described further above.
  • the displacement elements 68 are moved between adjacent conveyor belts 12 of the first conveyor 10 into the working section 70 of their orbit 72 and into the movement path of the rear edges 22 ′′ of the objects 22.
  • the operation of the embodiment shown in FIG. 7 is the same as that shown in FIG. 1.
  • the retaining element 46 if necessary, retains objects 22 arriving too early on the upper front edge 22 ' and the displacement elements 68 are intended to feed the objects 22 to the conveyor gap 30 and thus to the second conveyor 16 by pushing against their lower rear edge 22 '' .
  • the articles 22 are always fed to the second conveyor 16 in the desired cycle.
  • the position changing device 50 and the retaining device 34 are driven at a processing speed which is about 20 to 40% greater than the regular greatest amount of objects, from time to time no object 22 becomes the same for one cycle or possibly two or more successive cycles second conveyor 16 fed. It is essential, however, that all objects fed to the second conveyor 16 are in the desired phase position and the distance between successive objects always corresponds to the required distance A 2 or an integer multiple thereof.
  • the retaining element 46 it is also conceivable for the retaining element 46 to be different trainee and in different ways, for example, to drive a cylinder-piston unit.
  • the distance between the trailing edges 22 ′′ of the objects can vary greatly. However, it should not be smaller or only smaller for individual objects than the minimum permissible distance A 1 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Paper (AREA)
  • Special Conveying (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
EP00109324A 1999-06-01 2000-05-02 Dispositif pour corriger la position d'objects plats arrivant en formation imbriquée Expired - Lifetime EP1059256B9 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH102899 1999-06-01
CH102899 1999-06-01

Publications (3)

Publication Number Publication Date
EP1059256A1 true EP1059256A1 (fr) 2000-12-13
EP1059256B1 EP1059256B1 (fr) 2004-08-18
EP1059256B9 EP1059256B9 (fr) 2005-01-19

Family

ID=4200772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00109324A Expired - Lifetime EP1059256B9 (fr) 1999-06-01 2000-05-02 Dispositif pour corriger la position d'objects plats arrivant en formation imbriquée

Country Status (7)

Country Link
US (1) US6302260B1 (fr)
EP (1) EP1059256B9 (fr)
AT (1) ATE273909T1 (fr)
AU (1) AU769877B2 (fr)
CA (1) CA2309311A1 (fr)
DE (1) DE50007436D1 (fr)
DK (1) DK1059256T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050146088A1 (en) * 2002-08-30 2005-07-07 Siemens Schweiz Ag Device for precision feeding of flat sortation items to an input device for a sorting conveyor
US20050191164A1 (en) * 2002-10-23 2005-09-01 Siemens Schweiz Ag Device for effecting the positionally accurate conveyance of flat articles to be sorted to an input device for a sorting conveyor
DE102005012029B3 (de) * 2005-03-16 2006-07-13 Siemens Ag Vorrichtung zum Vereinzeln von überlappenden flachen Sendungen
US8833758B2 (en) * 2011-09-09 2014-09-16 Vits America, Inc. Stacker
DE102020006458A1 (de) * 2020-10-15 2022-04-21 Weinig Dimter Gmbh & Co. Kg Verfahren zum Zuführen von länglichen Werkstücken aus Holz, Kunststoff und dergleichen sowie Anlage zur Durchführung des Verfahrens

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0216023A1 (fr) * 1985-08-22 1987-04-01 Ferag AG Dispositif pour ordonner un courant d'articles se chevauchant
EP0254851A1 (fr) * 1986-07-29 1988-02-03 Ferag AG Dispositif pour égaliser la distance de feuille en feuille dans un courant de feuilles se chevauchant
CH677778A5 (fr) * 1988-03-14 1991-06-28 Ferag Ag
WO1999035071A1 (fr) * 1997-12-30 1999-07-15 Ferag Ag Dispositif pour transformer une pile d'objets recouvrants en une formation a recouvrement
WO1999035072A1 (fr) * 1997-12-30 1999-07-15 Ferag Ag Dispositif pour modifier la position d'articles achemines dans un courant a recouvrement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834288A (en) * 1973-03-29 1974-09-10 Graphic Engineers Inc Interceptor for forming gaps in papers carried by a conveyor
CH591382A5 (fr) * 1974-05-28 1977-09-15 Ferag Ag
US5100124A (en) * 1990-09-28 1992-03-31 John Brown Development Company Article stopping apparatus
CH683095A5 (de) * 1991-06-27 1994-01-14 Ferag Ag Verfahren und Vorrichtung zum Puffern von Druckprodukten in Schuppenformation.
CH689773A5 (de) * 1995-02-16 1999-10-29 Ferag Ag Vorrichtung zum Vergleichmaessigen des Abstandes zwischen aufeinanderfolgenden flaechigen Produkten.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0216023A1 (fr) * 1985-08-22 1987-04-01 Ferag AG Dispositif pour ordonner un courant d'articles se chevauchant
EP0254851A1 (fr) * 1986-07-29 1988-02-03 Ferag AG Dispositif pour égaliser la distance de feuille en feuille dans un courant de feuilles se chevauchant
CH677778A5 (fr) * 1988-03-14 1991-06-28 Ferag Ag
WO1999035071A1 (fr) * 1997-12-30 1999-07-15 Ferag Ag Dispositif pour transformer une pile d'objets recouvrants en une formation a recouvrement
WO1999035072A1 (fr) * 1997-12-30 1999-07-15 Ferag Ag Dispositif pour modifier la position d'articles achemines dans un courant a recouvrement

Also Published As

Publication number Publication date
EP1059256B1 (fr) 2004-08-18
AU769877B2 (en) 2004-02-05
EP1059256B9 (fr) 2005-01-19
CA2309311A1 (fr) 2000-12-01
DK1059256T3 (da) 2004-09-20
AU3642100A (en) 2000-12-07
DE50007436D1 (de) 2004-09-23
ATE273909T1 (de) 2004-09-15
US6302260B1 (en) 2001-10-16

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