EP0116015B1 - Dispositif et procédé pour prélever et éloigner un échantillon d'un courant d'articles imprimés imbriqués - Google Patents

Dispositif et procédé pour prélever et éloigner un échantillon d'un courant d'articles imprimés imbriqués Download PDF

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Publication number
EP0116015B1
EP0116015B1 EP84810053A EP84810053A EP0116015B1 EP 0116015 B1 EP0116015 B1 EP 0116015B1 EP 84810053 A EP84810053 A EP 84810053A EP 84810053 A EP84810053 A EP 84810053A EP 0116015 B1 EP0116015 B1 EP 0116015B1
Authority
EP
European Patent Office
Prior art keywords
deflecting
gripping device
gripper
spring
chain
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
Application number
EP84810053A
Other languages
German (de)
English (en)
Other versions
EP0116015A1 (fr
Inventor
Walter Reist
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.)
IPT Weinfelden AG
Original Assignee
IPT Weinfelden 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 IPT Weinfelden AG filed Critical IPT Weinfelden AG
Priority to AT84810053T priority Critical patent/ATE28738T1/de
Publication of EP0116015A1 publication Critical patent/EP0116015A1/fr
Application granted granted Critical
Publication of EP0116015B1 publication Critical patent/EP0116015B1/fr
Expired 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
    • B65H29/58—Article switches or diverters
    • 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
    • B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers

Definitions

  • the invention relates to a device for the removal and further transport of predetermined specimens from an ordered scale flow of printed products, which comprises a first conveyor belt with associated control means and a deflection and gripping device that can be delivered to the scale flow, and a method for operating such a device, in which one of the devices continuously detected scale flow of flat printed products, sample copies are grasped by a deflection and gripping device and are pulled out of the scale flow in an accelerated manner (known from DE-A. 2820 957).
  • DE-A 2820957 discloses a device for separating out certain printed sheets from an orderly stream of shingles transported away on a first conveying path.
  • the conveyor line comprises a first conveyor belt with an associated counting head and sensor and a second conveyor belt arranged offset in height from the first conveyor belt.
  • a space is created during transport between the individual printed sheets, in which a flap mounted on a slide, which can be pivoted and delivered, engages and predetermined printing sheets are deflected by the counting head, which are moved by two further conveyor belts arranged at a short distance from one another in parallel Direction of a second conveyor line are transported.
  • FR-A 2206748 From FR-A 2206748 it is known from FR-A 2206748 to arrange a large number of gripping devices that are operatively connected to the articulated chain for grasping and transporting printed products from an orderly shingled stream.
  • the clamp-like gripping devices are arranged on the articulated chain in such a way that the individual printed products are pushed into the clamps in the open position in the area of a transfer point of the scale flow from a first to a second conveyor belt, and then closed by suitable means for holding and further transport of the printed products .
  • the design of the device is intended to enable it to be used on the shingled stream and to enable rapid sample transport over given topological conditions in such a way that the time between manufacture and assessment of the product is significantly reduced compared to the sampling known today.
  • the device according to the invention is characterized in that the deflection and gripping device has a catch spring tensioner which is formed from a prestressable gripper spring, a counter spring and a flexible deflection and catch spring designed as an extension of the counter spring, and a catch spring tensioner arranged in the range of movement of the deflection and catch spring that the deflection and gripping device device is operatively connected to a second conveyor belt designed as an articulated chain.
  • FIG. 1 schematically shows part of the entire manufacturing process for flat products, with which the device according to the invention is brought into cooperation.
  • the printed paper web P is folded for the first time via a funnel 8, divided by means of a cutting cylinder 7 and folded again between folding cylinders 5, 6 and finally transferred by a deposit star 3 into a scale stream 1 formed by depositing and removing speed.
  • a fold delivery with two folds is shown.
  • the scale stream 1 moves away from the laying star 3 at a relatively high speed to stations for further processing steps, and at this point, by converting a continuous material flow with the aid of the cutting device into a discontinuous one, it is possible for the first time to examine the manufacturing process by sampling. It is also the earliest point in time in the process, for example, to be able to intervene in a regulatory manner - an important aspect of course in fast-moving manufacturing processes.
  • the gripping device 25 is shown in a view and in a top view in FIGS. 3a and b. The functioning of the gripper device 25 is explained in detail in connection with FIG. 4.
  • the gripper G must work quickly and precisely and be able to grab a sample from the stream of shingles.
  • the gripping device 25 is essentially assembled from a catch spring 30, a gripping spring 32 with an elasticity-improving spiral part 32 ', a counter spring 31 with a holder 31', a gripping spring 32 moving (clamping) tensioning lever 34, this tensioning lever 34 is via a Tension lever roller 35 operated by a backdrop, not shown, and for example two spacer shafts 36 which hold two gripper cheeks 33 spaced apart.
  • the gripping device 25 is fastened to the articulated chain 23 with a plurality of spatial degrees of freedom.
  • the embodiment shown shows two such link chains 23, as can be seen in FIG. 3b.
  • This figure shows the gripping device 25 seen from above. Clamped on both sides of a link chain 23 that can be moved in three dimensions, the gripper device 25 is able to overcome even difficult topographies. You can see again the shovel-like catch spring 30, to which the gripping springs 31, 32 are connected by a spacer shaft 36.
  • the tensioning lever 34 for the gripping spring 32 carries the tensioning lever roller 35 at a slight angle and arranged in the center. The corresponding dimensions are given by the product to be manipulated.
  • a link chain arranged symmetrically to the center of the gripper G is sufficient.
  • One advantage that results from this is that it can be rotated around the longitudinal axis of the link chain to overcome topologically difficult transport routes.
  • FIG. 4 now shows the mode of operation of the device during the removal of a sample from the shingled stream 1.
  • the gripping device 25 is drawn in two different working positions, the catch spring 30 in three different working positions 30 1 , 30 2 , 30 3 .
  • the gripper G is in a rest position R.
  • a start device located at the destination for example a start button
  • the catch spring 30 1 comes into a pretension in which it comes to rest on a base 26 'of the catch spring clamp 26 in the bending position, at the same time the clamping lever 34 clamps the gripping spring 32 1 , 32 2 .
  • the catch spring 30 2 which is brought into standby and under spring tension serves as a receiver of a sample as soon as it comes back into its (almost) relaxed position. While the gripping device 25 with the gripper G, for example, creeps into the standby position B, the assignment detector 28 has electronically “captured” a sample E o at the time T o due to the same triggering process at the destination.
  • the sample is transported in the scale formation until, at the time T E, the catch spring tensioner 26 pulls the base 26 'away under the catch spring 30 2 , and it comes to an impact just before the sample copy E o running towards the gripping device 25 with the fold side. This happens quite suddenly due to the pretensioning of the catch spring 30, and part of the scale formation runs towards the open gripper G via the catch spring 30 3 functioning as a pickup. If the sample, now designated E, has reached a position within the gripper G formed by the gripping and counter-spring 32 2 , 31 at time T F , the open gripper G closes and pulls out the sample while accelerating the gripping device 25 in the direction Z w the scale formation.
  • the acceleration must be so great relative and in the same direction to the shingled stream 1 running in the direction S that the inertial forces of the specimens in static and sliding friction contact with the specimen E are greater than these friction forces. Acceleration values at which a conveying speed of 4 ms- 1 is reached between 300 and 800 ms are sufficient for newsprint.
  • the scale flow 1 conveys 60,000 to 80,000 copies / h with a scale spacing of approx. 80 mm.
  • the assignment detector 28 "detects" each individual copy from the scale stream 1; as long as no command to follow up a specific copy is given by a start pulse, the running copies are forgotten after the short pulse time.
  • the start pulse now causes the sample to be extracted to be “captured” and followed up by means of a counter C l , which, when switched on at this point, counts the tachometer pulses until the catch spring strikes at point T E (see also FIG. 4), at what point the counter C, the subtraction of the sub 26 'and, in this example, the on switch another counter C 2 causes.
  • the latter counts as many tachometer pulses as are necessary until the specimen running onto the gripper G is at the point T F in the area of the gripper springs 31 and 32.
  • the gripping spring 32 can be clamped in advance by means of the tensioning lever 34. The clamping can also take place when the gripping device 25 is brought into standby.
  • the counter closes the gripper G and triggers the aforementioned acceleration process in order to pull the sample, which is now also mechanically detected, out of the scale formation 1.
  • a second gripping device 25 ' which was previously at the destination, is simultaneously returned to the shingled stream.
  • further gripping devices etc. may not be arranged along the entire length of the conveyor chain 23, and it is also possible to provide more than one destination for one gripping device. For example, a start impulse coming from the editorial office of a newspaper could direct the sample to it, whereas the printer would normally have the sample stopped at his destination to monitor the print.
  • FIG. 6 shows a section of the link chain, as can also be seen in connection with the gripping device 25 shown in FIG. 3b.
  • the chain links 60 consist, for example, of screwable plugs / sockets with a plug seat 61 which is pivotally fitted into a socket 65 of an adjacent chain link.
  • a locking collar 62 prevents the plug connection from being disconnected under tensile load.
  • Two connected chain links can be freely rotated around their connection and can be pivoted up to an angle limited by the construction. With full pivoting and simultaneous turning, there is freedom of movement with the envelope of a cone.
  • the stopper seat 61 is a sliding seat, that is to say that the fully assembled articulated chain has no looseness with great mobility and the extensibility is given only by the type of material used. With polypropylene with good sliding properties and great toughness, even longer link chains do not have any disruptive elongation.
  • Each chain link has a convex seat 66, here part-spherical with the radius R.
  • the spherical shape is highlighted by two dashed circles; the larger circle only serves to better emphasize this characteristic.
  • an arrow which is intended to indicate a normal or contact force with N and a tensile force with Z.
  • the convex seat comes to rest on the deflection and drive rollers 22 in a concave seat incorporated therein (this is not shown) and the temporarily form-fitting connection thus formed of the convex seat 66 pressed with the force N into the concave seat of the drive roller in the pulling direction Z is completely slip-free and is therefore ideal, together with the negligible elongation, for high accelerations.
  • the gripping device 25 can be fixed to one or more of the chain links 60, as shown in FIG. 3b, for example with a fastening 68 according to FIG. 6.
  • the device according to the invention can be used wherever flat products are brought into movement in a discrete form, ie in series.
  • the scale formation is not a mandatory requirement, although this is preferably processed with the device.
  • the method according to the invention namely: Detecting, assigning, catching the catch spring, gripping and pulling away, loose and circulating specimens can also be recorded be recorded and transported to a destination.
  • application of the invention can be expected to reduce the removal / assessment time by a factor of between 10 and 20. With throughput rates of 90000 copies / h, 25 defective or even faulty copies can occur per second. With such services, sampling close to the production process and high-speed transport is a major cost-preventing factor.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Discharge By Other Means (AREA)
  • Dot-Matrix Printers And Others (AREA)

Claims (12)

1. Dispositif de prélèvement et de transport d'échantillons prédéterminés d'un courant (1) ordonné d'articles imprimés imbriqués, comprenant une première bande transporteuse avec les moyens de commande associés et un dispositif de déviation ou d'excursion et de préhension approchable du courant d'articles imbriqués (1 ), caractérisé en ce que le dispositif d'excursion et de préhension (25) présente un preneur (G) formé d'un ressort de préhension susceptible d'être précontraint (32), un contre ressort (31) et un ressort de déviation et de captage (30) flexible conformé en prolongement du contre ressort (31) ainsi qu'un tendeur de ressort de captage (26) disposé dans la zone de mouvement du ressort de déviation et de préhension (30), et que le dispositif de déviation et de préhension (25) est en liaison active avec une deuxième bande transporteuse (23) formant une chaîne articulée.
2. Dispositif selon la revendication 1, caractérisé en ce que entre le dispositif de déviation et de préhension (25) et de moyens contribuant à la commande du tendeur du ressort de captage (26), un détecteur d'attribution (28) et un générateur tachymétrique (29) sont prévus des dispositifs de comptage d'impulsions (Cl et C2).
3. Dispositif selon la revendication 1, caractérisé en ce que le ressort de captage (30) peut être mis sous précontrainte au tendeur du ressort de captage (26) par un organe d'appui comman- dable (26').
4. Dispositif selon la revendication 1 à 3, caractérisé en ce qu'à une distance du dispositif de déviation et de préhension (25) disposé à la chaîne articulée (23) près du courant d'articles (1) par rapport au lieu de destination est prévu un deuxième dispositif de préhension (25') en liaison active avec la chaîne articulée (23).
5. Dispositif selon la revendication 1, caractérisé en ce que la chaîne articulée (23) est munie de maillons (60) enfichés l'un dans l'autre, avec le siège de cheville (61) dans des douilles (65) et des manchettes d'arrêt (62) assurées contre la sollicitation en traction, une partie du maillon (60) étant conformée en siège convexe (66).
6. Dispositif selon la revendication 5, caractérisé en ce que les maillons (60) sont munis de sièges convexes sphériques (66).
7. Dispositif selon la revendication 5, caractérisé en ce que les maillons (60) sont munis de sièges convexes non sphériques (66).
8. Procédé pour la mise en marche du dispositif selon la revendication 1, selon lequel des échantillons d'articles sont saisis par un dispositif de déviation et de préhension (25) dans un courant d'articles imprimés imbriqués plans continuellement détectés et retirés de façon accélérée du courant, caractérisé en ce que
- le preneur (G) maintenu à l'état fermé dans une position de repos est mis en une position d'attente par une impulsion actionnant et commandant la chaîne articulée (23) avec ouverture simultanée des parties preneuses (ressort de preneur (32) et ressort antagoniste (31).
- le ressort de déviation et de préhension (30) est précontraint par le mouvement de transport du preneur (G), et mis en prise avec le courant d'articles imbriqués (1) et
- l'échantillon fixé est transporté le long de la chaîne articulée (23) se trouvant en liaison active avec le dispositif de déviation et de préhension (25).
9. Procédé selon la revendication 8, caractérisé en ce que l'échantillon accéléré est transporté à peu près à la vitesse atteinte à la fin de la phase d'accélération vers le lieu de destination.
10. Procédé selon la revendication 8 et 9, caractérisé en ce qu'après la détection et l'attribution par comptage d'impulsions dépendantes de la vitesse du courant de matériaux, il est déterminé une première distance de parcours pour l'échantillon, à l'atteinte de laquelle le ressort de déviation et de préhension (30) en forme d'aube est braqué, et enfin une deuxième distancedepar- cours est déterminée pour le même échantillon par comptage d'autres impulsions dépendantes de la vitesse du courant de matériaux, à l'atteinte de laquelle le dispositif de déviation et de préhension (25) est actionné.
11. Procédé selon une des revendications 8 à 10, caractérisé en ce que l'attribution d'un échantillon du courant de matière peut être déclenché par une installation disposée au lieu de destination.
12. Procédé selon la revendication 11, caractérisé en ce que l'attribution d'un échantillon du courant de matière peut être déclenché par un de plusieurs lieux de destination.
EP84810053A 1983-02-02 1984-01-30 Dispositif et procédé pour prélever et éloigner un échantillon d'un courant d'articles imprimés imbriqués Expired EP0116015B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84810053T ATE28738T1 (de) 1983-02-02 1984-01-30 Vorrichtung zur entnahme und wegfoerderung eines probeexemplars aus einem schuppenstrom von druckerzeugnissen und verfahren zum betrieb der vorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH58983 1983-02-02
CH589/83 1983-02-02

Publications (2)

Publication Number Publication Date
EP0116015A1 EP0116015A1 (fr) 1984-08-15
EP0116015B1 true EP0116015B1 (fr) 1987-08-05

Family

ID=4190497

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84810053A Expired EP0116015B1 (fr) 1983-02-02 1984-01-30 Dispositif et procédé pour prélever et éloigner un échantillon d'un courant d'articles imprimés imbriqués

Country Status (4)

Country Link
US (1) US4577855A (fr)
EP (1) EP0116015B1 (fr)
AT (1) ATE28738T1 (fr)
DE (1) DE3465177D1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH670619A5 (fr) * 1986-04-29 1989-06-30 Sft Ag Spontanfoerdertechnik
SE8800268L (sv) * 1988-01-28 1989-07-29 Wamac Ab Saett och apparat foer att ur en serie av ytutbredda i oeverlappande formation transporterade alster saasom tidningar, under transport ta ut ett valt antal paa varandra foeljande exemplar
SE468765B (sv) * 1991-05-24 1993-03-15 Wamag Idab Ab Sidogripande transportoer
DE69406822T2 (de) * 1993-03-01 1998-03-12 Gunze Kk Einrichtung zur Probeentnahme von flachen Produkten, die von einer Förderanlage getragen werden
DK1063187T3 (da) 1999-06-23 2004-01-19 Ferag Ag Indretning til udtagning af flagestrømsdele fra en flagestrøm
US6851544B2 (en) * 2003-05-19 2005-02-08 Graphic Management Associates, Inc. Transfer device
DE502005005104D1 (de) * 2005-04-29 2008-10-02 Mueller Martini Holding Ag Vorrichtung für ein Stabilisieren von in einem Förderstrom über eine Wegstrecke in Klammern einer Fördervorrichtung hängend transportierten Druckprodukten
CH699859A2 (de) 2008-11-04 2010-05-14 Ferag Ag Vorrichtung und verfahren zum fördern und abgeben von flachen gegenständen.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2136709A5 (fr) * 1971-04-30 1972-12-22 Ferag Ag

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH569197A5 (fr) * 1972-11-10 1975-11-14 Reist Walter
CH591382A5 (fr) * 1974-05-28 1977-09-15 Ferag Ag
CH617636A5 (en) * 1977-06-02 1980-06-13 Grapha Holding Ag Delivery device
CH618398A5 (fr) * 1977-06-06 1980-07-31 Ferag Ag
CH630583A5 (de) * 1978-06-30 1982-06-30 Ferag Ag Vorrichtung zum wegfoerdern von in einem schuppenstrom anfallenden flaechigen erzeugnissen, insbesondere druckprodukten.
JPS5552855A (en) * 1978-10-06 1980-04-17 Sharp Corp Sheet conveying apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2136709A5 (fr) * 1971-04-30 1972-12-22 Ferag Ag

Also Published As

Publication number Publication date
DE3465177D1 (en) 1987-09-10
US4577855A (en) 1986-03-25
ATE28738T1 (de) 1987-08-15
EP0116015A1 (fr) 1984-08-15

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