EP0254851A1 - Dispositif pour égaliser la distance de feuille en feuille dans un courant de feuilles se chevauchant - Google Patents

Dispositif pour égaliser la distance de feuille en feuille dans un courant de feuilles se chevauchant Download PDF

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Publication number
EP0254851A1
EP0254851A1 EP87108598A EP87108598A EP0254851A1 EP 0254851 A1 EP0254851 A1 EP 0254851A1 EP 87108598 A EP87108598 A EP 87108598A EP 87108598 A EP87108598 A EP 87108598A EP 0254851 A1 EP0254851 A1 EP 0254851A1
Authority
EP
European Patent Office
Prior art keywords
arrangement
conveyor
products
stop
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
EP87108598A
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German (de)
English (en)
Other versions
EP0254851B1 (fr
Inventor
Hans Frei
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
Priority to AT87108598T priority Critical patent/ATE51380T1/de
Publication of EP0254851A1 publication Critical patent/EP0254851A1/fr
Application granted granted Critical
Publication of EP0254851B1 publication Critical patent/EP0254851B1/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 equalizing the distance between successive, flexible, flat products, which occur in a scale formation, in particular printed products, according to the preamble of claim 1.
  • a device for equalizing the scale distance of this type is known from DE-OS 3l 48 349.
  • the scale formation is advanced step by step by means of a belt conveyor, with stop fingers being moved into the conveying path of the scale formation during each advance step.
  • the leading edges of the printed sheets come into contact with the stop fingers, which prevents them from moving further forward.
  • the stop fingers are moved out of the conveyor path again.
  • the movement of the stop fingers is controlled by means of control disks.
  • the former After release of the printed sheets by the stop fingers, the former must be accelerated from a standstill and advanced over a certain distance before they can enter a conveyor gap formed by conveyor wheels and the belt conveyor. During this advance there is now a risk that the respectively released printed sheet will shift relative to the preceding printed sheet, which can lead to an undesired change in the previously balanced scale spacing. This danger increases with increasing conveyor speed.
  • the present invention is based on the object to create a device of the type mentioned, which allows the scale spacing to be exactly balanced to a certain value even at relatively high conveying speeds.
  • the further transport of the products which are prevented from moving further forward by the stop arrangement is initiated by the driver arrangement, which acts on the products in contact with the stop arrangement at exactly the desired rate and triggers their movement past the stop arrangement.
  • the driver arrangement acts on the products in contact with the stop arrangement at exactly the desired rate and triggers their movement past the stop arrangement.
  • the products behind the stop arrangement are grasped by the rear part of the conveyor arrangement at the right time in each case and conveyed away by this together with the preceding products. This means that the distance between successive products essentially always corresponds to the desired target size.
  • a conveyor arrangement 1 is provided, which is formed by two belt conveyors 2, 3.
  • the two belt conveyors 2, 3 are arranged one behind the other as seen in their conveying direction A or B, the rear belt conveyor 3 having an obliquely downward conveying direction B with respect to the upstream belt conveyor 2.
  • Both belt conveyors 2, 3 are driven by a drive shaft 4 shown only schematically in FIG. 1, which is driven in a clockwise direction in a manner not shown in detail.
  • This rotary movement of the drive shaft 4 is transmitted to the deflection rollers 7 and 8 of the belt conveyors 2, 3 via only schematically illustrated chains 5 and 6.
  • the rotational speed and thus the conveying speed of the belt conveyor 2, 3 is designated v1, v o .
  • the conveying (see FIG. 1) strand 3a of the rear belt conveyor 3 runs over an inclined support plate 9.
  • the two belt conveyors 2, 3 are at a distance from one another arranged differently, through which an ineffective route l0 is determined.
  • freely rotatably mounted rollers 11 are arranged in this ineffective section 10.
  • a support plate could also be provided instead of these rollers 11.
  • the driver arrangement l3 is formed by two driver wheels l4, l5 (FIG. 2) arranged at a distance from one another.
  • Each of these driving wheels l4, l5 is provided on its circumference with projecting driving cams l6, which are arranged evenly distributed in the circumferential direction.
  • the driving wheels l4, l5 sit on a shaft l7, which is mounted in two pivot levers l8 and l9, as can be seen in particular in FIG. 2.
  • the pivot levers 18, 19 are pivotally mounted on a shaft 20 which is mounted in a frame 2l (FIG. 1).
  • the shaft 20 runs approximately parallel to the conveyor plane defined by the belt conveyor 2 and essentially at right angles to the conveying direction A.
  • the shaft 20 is driven counterclockwise by the deflection roller 7 of the front belt conveyor 2 via a chain 22, which is only shown schematically.
  • On the shaft 20 there is a sprocket 23 which rotates in the direction of the arrow C (FIG. 1). With this sprocket 23, a chain 24 is engaged, which is guided over a second sprocket 25, which sits on the shaft 17.
  • the chain 24 is held under tension by means of a tensioning wheel 26. Via the chain 24, the two drive wheels 14, 15 are driven in the direction of the arrow D (FIGS. 1 and 3) all round.
  • the peripheral speed v2 of these driving wheels l4, l5 is substantially equal to the conveying speed v O of the belt conveyor 3.
  • the two pivot levers l8 and l9 are connected to one another by means of a cross member 27.
  • An L-shaped holding element 28 is fastened to this cross member and is longitudinally displaceable in the longitudinal direction of the longer leg, ie in the direction of arrow E.
  • the holding element 28 can be fixed in its position by means of a locking screw designated 29.
  • On the shorter leg of the holding element 25 is also an L-shaped support 30 is held, which has at its free end a downwardly projecting stop 3l, which is integrally formed with the support 30.
  • the stop 3l ends at a distance from the conveying strand 3a of the rear belt conveyor 3 and defines a passage gap 32 therewith.
  • the size of this passage gap 32 can be changed by moving the carrier 30 in the direction of the arrow F.
  • a further locking screw 29 Träg is provided.
  • a baffle plate 33 pointing rearward in the conveying direction A, B is attached.
  • the rear belt conveyor 3 interacts with two freely rotatable conveyor rollers 34 and 35 (FIG. 2), each of which is mounted in a double lever 36 and 37, respectively.
  • Each double lever 36, 37 is provided with a laterally projecting support 38, 39 on which an adjusting screw 40 or 4l is supported.
  • These adjusting screws 40, 4l pass through the cross member 27 and serve to be able to adjust the pivot position of the levers l8, l9 or the double levers 36, 37. In other words, by means of the adjusting screws 40, 4l the inclination of the levers l8, l9 in be adjusted with respect to the double lever 36, 37.
  • a pressure mechanism 43 which is formed from a compression spring 44 and an adjusting screw 45, is fastened to a cross member 42 forming part of the frame.
  • the compression spring 44 supported on the cross member 27 exerts a pressure on the levers l8, l9 and, via the adjusting screws 40, 4l, also on the double levers 36, 37, which causes the conveyor rollers 34, 35 against the rear belt conveyor 3 or the conveyed scale formation S ⁇ are pressed, and the driving wheels l4, l5 are held in their height position, which is determined by the adjusting screws 40, 4l, with respect to the conveyor rollers 34, 35.
  • the pressure exerted by the compression spring 44 can be changed by means of the adjusting screw 45.
  • the operation of the device described above is as follows:
  • the front belt conveyor 2 conveys the printed products denoted by 46 in scale formation S in the conveying direction A against the stop arrangement l2.
  • each printed product 46 rests on the preceding printed product. This means that the leading edges 46a of the printed products 46 lie on top in the supplied scale formation S.
  • the scale spacing ie the distance a1, a2 between the leading edges 46a of successive printed products 46, is uneven in the incoming scale formation S. So the scale distance a1 is greater than the scale distance a2.
  • the forward movement of the print product 46 ⁇ present at the stop 3l is thus stopped.
  • the driving cam l6 deflects the leading region 47 of the printed product 46 ⁇ downward and presses it against the driven belt conveyor 3 or the leading printed product carried by it.
  • This printed product 46 ⁇ is thus taken along by the driving cams l6 and the belt conveyor 3, pulled through the passage gap 32 and brought into the conveyor gap W between the conveyor rollers 34, 35 and the conveyor belt 3 of the rear belt conveyor 3.
  • the printed product 46 is taken over by the conveyor belt 3 for further conveyance, and the driving cams l6 detach from the printed product 46 ⁇ .
  • the bending of the leading area 47 of the printed product 46 ⁇ downward and the associated bulging of this printed product 46 ⁇ has the consequence that the subsequent product 46 is raised. This ensures that this subsequent product hits the stop 3l safely.
  • the height of the passage gap 32 can be matched to the thickness of the products 46, so that two printed products cannot be pulled together through this passage gap 32.
  • the rear belt conveyor 3 is one upstream ineffective route l0.
  • the pushing of the printed products 46 to the stop 3l thus takes place primarily through the respective leading printed product 46 ⁇ which, as described, is transported to the conveyor gap W by driving cams l6. Since the respective subsequent printed product 46 is not advanced while the leading printed product 46 ⁇ is in contact with the stop 3l, the scale distance remains essentially unchanged. If, in particular, the subsequent printed product was advanced while the leading printed product was prevented from moving further by the stop 3l, the scale spacing would be reduced.
  • the provision of the route l0, which has no effect on conveying, has the further advantage that no conveying effect is exerted on the trailing area of the printed product 46 ⁇ at the stop 3l, which would result in an undesired bulging of this printed product 46 ⁇ .
  • FIG. 4 is a representation that corresponds to the representation in Fig. 3, a second embodiment of a Ver Uniformization device shown. Corresponding components in FIGS. 1-3 and 4 are designated by the same reference numerals.
  • the driver arrangement 13 is arranged below the conveying path of the printed products 46.
  • these printed products 46 are fed in a scale formation S in which each printed product 46 rests on the subsequent printed product. This means that in this scale formation S the leading edges 46a of the printed products 46 are at the bottom.
  • a support plate 48 is arranged in the ineffective section 10 between the two belt conveyors 2, 3, on which the printed products 46 come to rest with their leading area 47.
  • the driver arrangement l3 also has two driver wheels, of which only the driver wheel 49 is visible.
  • the driving wheels 49 are also provided with projecting driving cams 50 which are arranged evenly distributed in the circumferential direction. The driving wheels 49 are driven in the direction of arrow G with the circumferential speed v2 revolving.
  • the stop arrangement 12 has a stop 51, which is formed by a bent-up part of the support plate 48. This stop 5l merges into a guide ramp 52.
  • each conveyor roller 53 is mounted on a pivotably mounted lever 54.
  • the conveyor rollers 53 are driven in a rotating manner in the direction of the arrow H. This is done via a drive belt 55 which is guided over a guide roller 56 and rotates in the direction of arrow I.
  • the section 55a of the drive belt 55 lying between the guide roller 56 and the conveyor roller 53 also serves as an upper limiting element.
  • the balancing of the scale spacing a1, a2 in the incoming scale stream S is basically carried out in the manner described with reference to FIGS. 1-3.
  • the leading area 47 of the product 46 ⁇ at the stop 5l is now captured by a driving cam 50, raised beyond the stop 5l and pressed against the section 55a of the drive belt 55 or the leading printed product which is advanced by the conveyor rollers 53 and the belt conveyor 3 .
  • the product 46 ⁇ is drawn through the driving cam 50 and the section 55a of the belt 55 or the leading printed product into the conveying gap W between the conveying section 3a of the conveyer 3 and the conveying rollers 53. From this point on, the conveyor rollers 53 and the belt conveyor 3 take over the further transport of the printed product 46 ⁇ .
  • the designated with a O in imbrication spacing led away through the rear belt conveyor 3 S'shingled stream is always substantially the same.
  • the printed product 46 ⁇ present at the stop 3l, 5l is deflected after the deflection a driving cam 16, 50 pressed by the latter against the driven belt conveyor 3 or the section 55a of the likewise driven drive belt 55 or the leading printed product, which has already been gripped by the belt conveyor 3 and the conveyor rollers 34, 35 and 53, respectively.
  • the printed product 46 ⁇ which has come to a standstill at the stop 3l, 5l is clamped immediately after the deflection and is moved forward with the conveying speed v O of the rear belt conveyor 3. This ensures that this printed product 46 ⁇ cannot change its position in relation to the preceding printed product.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Vending Machines For Individual Products (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Collation Of Sheets And Webs (AREA)
EP87108598A 1986-07-29 1987-06-15 Dispositif pour égaliser la distance de feuille en feuille dans un courant de feuilles se chevauchant Expired - Lifetime EP0254851B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87108598T ATE51380T1 (de) 1986-07-29 1987-06-15 Vorrichtung zum vergleichmaessigen des abstandes zwischen aufeinanderfolgenden produkten einer schuppenformation.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3043/86 1986-07-29
CH304386 1986-07-29

Publications (2)

Publication Number Publication Date
EP0254851A1 true EP0254851A1 (fr) 1988-02-03
EP0254851B1 EP0254851B1 (fr) 1990-03-28

Family

ID=4247340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87108598A Expired - Lifetime EP0254851B1 (fr) 1986-07-29 1987-06-15 Dispositif pour égaliser la distance de feuille en feuille dans un courant de feuilles se chevauchant

Country Status (3)

Country Link
EP (1) EP0254851B1 (fr)
AT (1) ATE51380T1 (fr)
DE (1) DE3762033D1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259650A2 (fr) * 1986-09-08 1988-03-16 Ferag AG Méthode et dispositif pour régulariser la distance séparant deux articles successifs d'un courant d'articles en écailles de poisson, notamment d'imprimés
GB2218075A (en) * 1988-04-16 1989-11-08 Bielomatik Leuze & Co Retarder device for sheet stacks.
EP0368009A1 (fr) * 1988-11-11 1990-05-16 Ferag AG Procédé et dispositif pour délivrer des articles d'imprimerie
EP0806391A1 (fr) * 1996-05-06 1997-11-12 Ferag AG Dispositif pour l'alimentation de produits imprimés vers un autre poste de travail
WO1999035072A1 (fr) * 1997-12-30 1999-07-15 Ferag Ag Dispositif pour modifier la position d'articles achemines dans un courant a recouvrement
WO1999035071A1 (fr) * 1997-12-30 1999-07-15 Ferag Ag Dispositif pour transformer une pile d'objets recouvrants en une formation a recouvrement
EP1059256A1 (fr) * 1999-06-01 2000-12-13 Ferag AG Dispositif pour corriger la position d'objects plats arrivant en formation imbriquée
WO2002092484A1 (fr) * 2001-05-14 2002-11-21 Master Flo Technologies Inc. Dispositif pour aligner des copies dans un courant de copies de papier
EP1464602A1 (fr) * 2003-04-02 2004-10-06 Ferag AG Dispositif pour former un courant d'objects plats se chevauchant

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922450A1 (de) * 1978-06-30 1980-01-10 Ferag Ag Vorrichtung zum wegfoerdern von in einem schuppenstrom anfallenden flaechigen erzeugnissen, insbesondere druckprodukten

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922450A1 (de) * 1978-06-30 1980-01-10 Ferag Ag Vorrichtung zum wegfoerdern von in einem schuppenstrom anfallenden flaechigen erzeugnissen, insbesondere druckprodukten

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259650A2 (fr) * 1986-09-08 1988-03-16 Ferag AG Méthode et dispositif pour régulariser la distance séparant deux articles successifs d'un courant d'articles en écailles de poisson, notamment d'imprimés
EP0259650B1 (fr) * 1986-09-08 1991-10-23 Ferag AG Méthode et dispositif pour régulariser la distance séparant deux articles successifs d'un courant d'articles en écailles de poisson, notamment d'imprimés
GB2218075A (en) * 1988-04-16 1989-11-08 Bielomatik Leuze & Co Retarder device for sheet stacks.
GB2218075B (en) * 1988-04-16 1992-07-08 Bielomatik Leuze & Co Retarder device for conveying and assembling sheet stacks
EP0368009A1 (fr) * 1988-11-11 1990-05-16 Ferag AG Procédé et dispositif pour délivrer des articles d'imprimerie
US5042792A (en) * 1988-11-11 1991-08-27 Ferag Ag Process and apparatus for the conveying of printing products
EP0806391A1 (fr) * 1996-05-06 1997-11-12 Ferag AG Dispositif pour l'alimentation de produits imprimés vers un autre poste de travail
AU711307B2 (en) * 1996-05-06 1999-10-07 Ferag Ag Device for feeding printed products to a further processing point
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
US6409168B1 (en) 1997-12-30 2002-06-25 Ferag Ag Device for transforming an overlapping stack of objects into an overlapping arrangement
US6554125B1 (en) 1997-12-30 2003-04-29 Ferag Ag Device for changing the position of objects conveyed in an overlapping stream
EP1059256A1 (fr) * 1999-06-01 2000-12-13 Ferag AG Dispositif pour corriger la position d'objects plats arrivant en formation imbriquée
WO2002092484A1 (fr) * 2001-05-14 2002-11-21 Master Flo Technologies Inc. Dispositif pour aligner des copies dans un courant de copies de papier
EP1464602A1 (fr) * 2003-04-02 2004-10-06 Ferag AG Dispositif pour former un courant d'objects plats se chevauchant
US7178800B2 (en) 2003-04-02 2007-02-20 Ferag Ag Device for establishing an imbricated stream of flat articles

Also Published As

Publication number Publication date
DE3762033D1 (de) 1990-05-03
ATE51380T1 (de) 1990-04-15
EP0254851B1 (fr) 1990-03-28

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