EP0080089B2 - Dispositif de comptage des produits plats en mouvement le long d'une voie transporteuse - Google Patents

Dispositif de comptage des produits plats en mouvement le long d'une voie transporteuse Download PDF

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Publication number
EP0080089B2
EP0080089B2 EP82110147A EP82110147A EP0080089B2 EP 0080089 B2 EP0080089 B2 EP 0080089B2 EP 82110147 A EP82110147 A EP 82110147A EP 82110147 A EP82110147 A EP 82110147A EP 0080089 B2 EP0080089 B2 EP 0080089B2
Authority
EP
European Patent Office
Prior art keywords
sensor
products
printed products
printed
product
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
EP82110147A
Other languages
German (de)
English (en)
Other versions
EP0080089A1 (fr
EP0080089B1 (fr
Inventor
Werner Honegger
Hanspeter Bürgi
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4321481&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0080089(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ferag AG filed Critical Ferag AG
Priority to AT82110147T priority Critical patent/ATE30276T1/de
Publication of EP0080089A1 publication Critical patent/EP0080089A1/fr
Application granted granted Critical
Publication of EP0080089B1 publication Critical patent/EP0080089B1/fr
Publication of EP0080089B2 publication Critical patent/EP0080089B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M7/00—Counting of objects carried by a conveyor
    • G06M7/08—Counting of objects carried by a conveyor wherein the direction of movement of the objects is changed at the station where they are sensed
    • G06M7/10—Counting of flat overlapped articles, e.g. of cards
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M2207/00—Indexing scheme relating to counting of objects carried by a conveyor
    • G06M2207/02—Counting of generally flat and overlapped articles, e.g. cards, newspapers

Definitions

  • the present invention relates to a counting device for counting printed products, preferably moving in a scale formation along a conveyor path, according to the preamble of claim 1.
  • the sensor is arranged between two load disks resting on the product stream and has a nose attached to a spring-elastic deflectable support arm.
  • the nose In the rest position of the sensor, in which the support arm rests on an inductive proximity switch, the nose protrudes beyond its circumference at a point that is higher than the lowest point of the load washers.
  • the support arm is deflected elastically in the conveying direction of the same by the leading edge of the products abutting the nose.
  • this product is deflected downwards by these loading disks.
  • the nose can come loose from the product and the support arm can spring back into its rest position against the proximity switch.
  • the count signal generated is fed to a counter.
  • a counting device in which the sensor is arranged to be pivotable about an axis running parallel to the plane of the products and is deflected against the force of a spring by the leading edges of the products running towards it (CH-PS 382 477 and corresponding US-PS 3 219 829). During this pivoting of the sensor, the light beam from a light barrier is interrupted and a counting pulse is generated which is fed to a counter.
  • the relatively large inertia proves to be disadvantageous, which leads to incorrect counts, in particular in the case of products with a small mutual distance and / or high conveying speeds.
  • this counting device is only suitable for products the thickness of which is not less than a minimum. The swiveling-out movement of the sensor caused, for example, by one or two single sheets is in fact unable to interrupt the light beam of the light barrier with certainty and then to release this light beam again.
  • a sensor In the counting device described in CH-PS 600 446 or the corresponding US-PS 4139 765, a sensor is constantly pressed by spring force from below against the products, which lie on one another in scale formation so that each product rests on the preceding product. Thus lie on the underside of the Product streams free the trailing edges of the products.
  • a pressure roller must be provided opposite the sensor above the product flow in order to ensure that the sensor is in perfect contact with the products.
  • the sensor is connected to a piezoelectric transducer, which delivers a continuous signal according to the contour of the product flow and the unevenness of the individual products.
  • a piezoelectric transducer which delivers a continuous signal according to the contour of the product flow and the unevenness of the individual products.
  • those signals are used which are generated by the sensor when the trailing edge of the products is passed and which are of greater amplitude than the other signals. The latter must be filtered out in order to obtain an unadulterated count of the products.
  • this counting device is not readily suitable for counting the products due to the step which is formed by the leading edges of the products, since these steps are relatively high, especially in the case of thick products, and have a steep increase .
  • This counting device can therefore not be arranged on the top of a shingled stream in which the leading edges of the products lie at the top, as is normally the case with printed products.
  • the state of the art also includes a counting head, such as was used in the packaging machine for folding boxes sold by Jagenberg AG under the name JAPACK 40-1.
  • This counting head has a single, angled at its front end, designed as a spiral spring, which is clamped at its rear end in a support device which rests on the folding boxes to be counted, which are moved past the counting head in the shingled stream.
  • the front end of the counting head is therefore angled so that it can pass through a recess in the support and protrude beyond the latter.
  • An inductive proximity switch which is attached to the support, is arranged above the front end of the sensor.
  • the sensor is pushed back by the leading edge of the folding cartons passing by and is elastically bent upwards against the proximity switch. This deflection in a direction that runs predominantly transverse to the direction of movement of the folding boxes generates counting pulses. Similar to the counting device according to CH-PS 600 446, explained above, the sensor follows the contour of the carton flow, the counting pulses being generated by the sensor each time a step is passed between successive cartons. A sufficiently clear expression of this stage is required for problem-free pulse generation, which is readily the case with relatively thick folding boxes, but not with all printed products, in particular not with single sheets.
  • the present invention has for its object to provide a counting device of the type mentioned, which is able to count printed products of different thicknesses, especially thin single sheets properly and without damage, even when these printed products at high speed and be moved a short distance apart.
  • the sensor is not only deflected in the direction of movement of this printed product by the printed product acting on it, but is also pushed upwards. As a result, the sensor can detach itself from the leading edge of the printed product and spring back into its starting position, in which it is ready for the detection of the next printed product. Because the sensor is raised against the action of spring-elastic forces exerted by the wearer, the sensor remains in contact with the printed products, so that jumping off the printed products or even jumping over the leading edge of a printed product is avoided. This pushing back of the sensor upwards has no influence on the generation of the count signals, which are only generated by elastic displacement of the sensor in the direction of movement of the printed products. Since the sensor is designed as a leaf spring, a particularly low-inertia solution is obtained.
  • a belt conveyor is shown only schematically in FIGS 1, which forms a conveyor track for print products 3 occurring in scale formation 2 and moves these print products 3 in the direction of arrow A.
  • the printed products 3 lie on top of one another like roof tiles, the leading edge 3a of the printed products 3 being exposed.
  • a counter is arranged above the product stream 2.
  • This has a support element 5, which is formed by a spring leaf.
  • This support element 5 is connected to a clamping device 6, with which the support element 5 is clamped on a bolt 7 of a stationary holder 8.
  • the free end 5a of the support element 5 is bent in the manner of a runner and rests on the printed products 3.
  • Two holding elements 9 and 10 are fastened to the supporting element 5 and are connected to one another by means of a connecting element 11.
  • An L-shaped spring element 13 is fastened to the holding element 9 by means of a screw connection 12, which in its rest position rests with its one leg 14 on the connecting element 11 and with the other leg 15 on the holding element 10, as shown in FIG. 1.
  • the leg 15 of the spring element 13 protrudes with its end 15a over the holding element 10 and the support element 5 and serves as a sensor for determining the individual printed products 3 moving past the counter 4.
  • the leg 14 of the spring element 13, which acts like a leaf spring clamped on one side, is used as a carrier of the sensor 15, which is also designed in the manner of a leaf spring.
  • An inductive proximity switch 16 which is of a known type, is held in the holding element 10.
  • the pulses generated by this proximity switch 16 in a manner yet to be described are fed via a connecting cable 17 to a counter (not shown in more detail) which is also of a known type.
  • the carrier 14 Since the sensor 15 is connected to a carrier 14 which is perpendicular to the plane of the printed products 3, i.e. can be elastically deflected in the direction of arrow B, the carrier 14 is bent out when the sensor 15 is lifted. After covering a certain deflection path, the sensor 15 detaches itself from the front edge 3a of the printed product 3 'and springs back into its initial position due to its resilient properties, in which it rests on the holding element 10. In Figure 2, the sensor 15 and the carrier 14 is shown in dashed lines during this spring back. When the metallic sensor 15 approaches the inductive proximity switch 16, the latter generates a counting signal which is fed to the counter for processing via the connecting cable 17. The sensor 15 in its starting position is now ready to count the next printed product 3, by which it is deflected again in the manner described.
  • the sensor 15 Since the sensor 15 is raised during its deflection against the spring action of the carrier 14, the sensor 15 remains in contact with this product 3 'even during its release from the printed product 3'. A jumping off of the sensor 15 from the products 3 or even a skipping of the leading edge 3a of the next product 3 is effectively avoided in this way. For this reason it is possible to use the counter 4 described both thick and thin products, i.e. also single sheets, count properly.
  • the support element 5 As a result of the resilient properties of the support element 5, its front end 5a can follow the contour of the scale stream 2 without the printed products 3 being damaged. In addition, this with a certain pressure on the printed products 3 supporting element 5 prevents bending of the abutting the sensor 15 printed product 3 '.
  • the clamping device 6 By means of the clamping device 6, the inclination of the support element 5 can be adjusted according to the thickness of the printed products 3 and the desired contact pressure.
  • the carrier 14 and the sensor 15 are formed from leaf springs and in one piece with one another makes a particularly simple one and low inertia construction. Under certain circumstances, it may be advantageous to dampen the sensor 15 and / or the carrier 14. This can easily be done by sticking a suitable material, e.g. B. a foam plastic, on the sensor 15 or the carrier 14.
  • a suitable material e.g. B. a foam plastic
  • a differently designed support for the counter 4 on the printed products 3 can also be used. In certain cases it is even possible to dispense with supporting the counter 4 at all and to arrange it firmly above the product stream 2. However, such a solution requires a height adjustment of the counter 4 if the thickness of the products to be counted changes.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Control Of Conveyors (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Claims (4)

1. Dispositif de comptage de produits d'imprimerie (3), de préférence en formation imbriquée (2), en mouvement le long d'une voie transporteuse (1), avec un seul capteur (15) monté sur une fixation (9, 10, 11), dont l'extrémité libre (15a) dépasse, dans sa position non déviée, dans le plan du bord antérieur (3a) des produits d'imprimerie (3) et qui peut être entraîné dans la direction de déplacement (A) des produits d'imprimerie 13) par le bord antérieur (3a) de ceux-ci, avec déviation élastique dans la direction de déplacement (A) des produits d'imprimerie (3), ledit capteur (15) se détachant, après une certaine déviation, du bord antérieur (3a) des produits d'imprimerie (3) de manière qu'il revient élastiquement dans sa position initiale et coopère avec un transmetteur de signaux électriques (16) qui, pour la génération de signaux de comptage, répond à la déviation élastique du capteur (15), la fixation (9, 10, 11) et le transmetteur de signaux (16) étant rattachés à un dispositif d'appui (5) lequel s'appuie sur les produits d'imprimerie (3), caractérisé en ce que le capteur (15) est constitué par une seule lame de ressort qui forme l'une des branches d'un élément flexible (13) en forme de L dont l'autre branche rattachée à la fixation (9, 10, 11) forme un support (14) pour le capteur (15) qui peut être dévié élastiquement et perpendiculairement au plan de la voie transporteuse (1), après un entraînement par un produit d'imprimerie (3), l'angle (a) entre l'extrémité (15a) du capteur (15) dévié saisie par ledit produit d'imprimerie (3) et le plan de ce produit d'imprimerie (3) étant inférieur à 90° et le capteur (15) étant repoussé perpendiculairement au plan de la voie transporteuse (1), contre l'effet de ressort du support (14), en vue du détachement respectif du bord antérieur (3a) d'un produit d'imprimerie (3).
2. Dispositif de comptage selon la revendication 1, caractérisé en ce que le support (14) est conformé en lame de ressort fixée unilatéralement.
3. Dispositif de comptage selon la revendication 1, caractérisé en ce que le dispositif d'appui est un élément de ressort (5) dont l'une des extrémités est blosuée sur une atttache (8) et dont l'autre extrémité s'appuie sur les produits (3).
4. Dispositif de comptage selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le transmetteur de signaux (16) est conformé en détecteur de proximité inductif.
EP82110147A 1981-11-10 1982-11-04 Dispositif de comptage des produits plats en mouvement le long d'une voie transporteuse Expired - Lifetime EP0080089B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82110147T ATE30276T1 (de) 1981-11-10 1982-11-04 Zaehleinrichtung zum zaehlen von laengs einer foerderbahn bewegten flaechigen erzeugnissen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH7203/81A CH652993A5 (de) 1981-11-10 1981-11-10 Zaehleinrichtung zum zaehlen von laengs einer foerderbahn bewegten flaechigen erzeugnissen.
CH7203/81 1981-11-10

Publications (3)

Publication Number Publication Date
EP0080089A1 EP0080089A1 (fr) 1983-06-01
EP0080089B1 EP0080089B1 (fr) 1987-10-14
EP0080089B2 true EP0080089B2 (fr) 1992-01-08

Family

ID=4321481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82110147A Expired - Lifetime EP0080089B2 (fr) 1981-11-10 1982-11-04 Dispositif de comptage des produits plats en mouvement le long d'une voie transporteuse

Country Status (6)

Country Link
US (1) US4539470A (fr)
EP (1) EP0080089B2 (fr)
JP (1) JPS5887684A (fr)
AT (1) ATE30276T1 (fr)
CH (1) CH652993A5 (fr)
DE (1) DE3277474D1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH661810A5 (fr) * 1984-10-12 1987-08-14 Bobst Sa Dispositif pour le comptage d'objets plats disposes en nappe.
AU599655B2 (en) * 1986-06-20 1990-07-26 Eds Technologies, Inc. Method and apparatus for detecting and counting articles
US4974237A (en) * 1989-03-13 1990-11-27 Hall Processing Systems Contact type paper counter
GB2233484B (en) * 1989-06-23 1993-08-25 Tokai Carbon Kk Device for counting small projections or depressions on surfaces of objects
US5084906A (en) * 1989-07-10 1992-01-28 Ferag Ag Process and apparatus for counting printed products
DE4125450C2 (de) * 1991-08-01 1995-08-10 Kodak Ag Vorrichtung zur Bestimmung der Dicke von Papierblättern
US5864070A (en) * 1996-03-12 1999-01-26 Kira; Alan K. Apparatus and method for detecting sizing or marginal gradation changes of a controlled or random sized product on a conveying medium
ATE373283T1 (de) * 1999-01-05 2007-09-15 Ferag Ag Nachweisvorrichtung
CN112140721A (zh) * 2020-09-27 2020-12-29 湖北泰友纸业有限公司 一种瓦楞纸板印刷用印刷量自调节计数系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH382477A (de) * 1961-03-30 1964-09-30 Ferag Ag Zähleinrichtung
CH439341A (de) * 1966-06-15 1967-07-15 Ferag Ag Zählvorrichtung für gefaltete Papierbogen, insbesondere gefaltete Zeitungen
US3577955A (en) * 1968-06-19 1971-05-11 Charles G Palmer Discontinuity sensor
US3702925A (en) * 1971-07-01 1972-11-14 Electronic Design & Services I Signature counter
DE2446184C3 (de) * 1974-09-27 1979-12-13 Guenther Dr.-Ing. 4800 Bielefeld Schick Abtastvorrichtung zum Zählen schuppenartig transportierten Materials
US4091269A (en) * 1976-02-17 1978-05-23 Gunther Schick Sensing device for counting workpieces transported in stepped formation
JPS5850458Y2 (ja) * 1976-08-20 1983-11-17 株式会社池貝 計数装置
CH600446A5 (fr) * 1976-10-28 1978-06-15 Ferag Ag
US4148393A (en) * 1977-05-27 1979-04-10 Wiseman Raymond L Sensing device and method

Also Published As

Publication number Publication date
DE3277474D1 (en) 1987-11-19
JPH0445876B2 (fr) 1992-07-28
JPS5887684A (ja) 1983-05-25
ATE30276T1 (de) 1987-10-15
EP0080089A1 (fr) 1983-06-01
CH652993A5 (de) 1985-12-13
US4539470A (en) 1985-09-03
EP0080089B1 (fr) 1987-10-14

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