EP0810970B1 - Kontrolleinrichtung zur überwachung des laufes zweier übereinanderliegender papierbahnen in einer papierverarbeitungsmaschine - Google Patents
Kontrolleinrichtung zur überwachung des laufes zweier übereinanderliegender papierbahnen in einer papierverarbeitungsmaschine Download PDFInfo
- Publication number
- EP0810970B1 EP0810970B1 EP95942045A EP95942045A EP0810970B1 EP 0810970 B1 EP0810970 B1 EP 0810970B1 EP 95942045 A EP95942045 A EP 95942045A EP 95942045 A EP95942045 A EP 95942045A EP 0810970 B1 EP0810970 B1 EP 0810970B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper
- plate
- paper webs
- webs
- sensors
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/46—Applications of alarms, e.g. responsive to approach of end of line
- B41J29/48—Applications of alarms, e.g. responsive to approach of end of line responsive to breakage or exhaustion of paper or approach of bottom of paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/422—Handling piles, sets or stacks of articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/41—Photoelectric detectors
Definitions
- the invention relates to a honing roller device for monitoring the run of two superimposed paper webs in a paper processing machine, with photoelectric Sensors whose light rays hit the surface the paper webs are directed.
- the account postprocessing system has one so-called slitter / merger unit. In this unit a wide paper web is initially cut by slitting knives divided longitudinally in the middle so that two webs half as wide are created. These two Paper webs are then placed on top of each other and transported exactly on top of each other. Because the wide paper web already has cross perforations is provided, which is arranged at a distance from the format height , it can happen that one of the paper webs tears and not together with the second paper web is transported further. That is why it is a control device required the presence of two superimposed paper webs monitored. An acquaintance Control device works with a light barrier, which illuminates both paper webs simultaneously. The light barrier must be set so that when there are two sheets of paper there is no light strikes the receiver photocell while missing the light beam the remaining paper web penetrates and hits the receiver photocell.
- the light barrier must from the operator of the machine to the respective transparency of the paper webs are adjusted. If this is forgotten the control device then reacts during processing a paper quality with less transparency at all no longer or no longer reliable. For thicker ones Papers or those with little transparency is the known control device not suitable at all.
- From US-A-4 467 949 is a paper conveyor known for a printer in which the paper web promoted by a motor-driven drive roller becomes. Behind the drive roller is for monitoring the Paper web a light emitting diode and opposite this optically aligned phototransistor is provided. If there is no paper web between the diode and the phototransistor the latter is switched on, if there is a paper web between the two, then this interrupts the light coming from the diode and the photo transistor is turned off.
- This facility is only for monitoring a single paper web, but not for monitoring two superimposed ones Paper webs suitable, because the light beam is already interrupted by a single paper web, even if the second paper web is no longer available is.
- the invention is therefore based on the object Control device for monitoring the run of two superimposed paper webs in a paper processing machine of the kind mentioned at the beginning, which is reliable monitoring with a simple structure of paper webs of any transparency without that adjustment work when changing the paper quality required are.
- the invention is therefore based on the idea of running each individual paper web by its own, on Reflection responsive photoelectric sensor too monitor. If the run is trouble-free, that of each sensor emitted light beam from the associated Paper web reflected and from the receiver part received the same. However, if the assigned Then tear paper web in an area in front of the plate becomes the surface facing the torn paper web the plate is no longer covered by the paper web, as soon as the end of the cracked end adjacent to the crack Paper web has passed the plate. Because the surface the plate has a different reflection behavior than the paper web, the torn paper web reacts assigned sensor and gives a corresponding signal from. The surface of the plate can be selected that it guarantees a different reflection behavior than all types of paper that the paper processing Machine should go through.
- 1 and 2 are two superimposed Paper webs referred to in a paper processing Machine lying one on top of the other in paper feed direction A. become.
- the control device 3 has a thin plate 4 on, which extends in the paper running direction A and the engages at the edge of the paper webs 1, 2 between them.
- On the two opposite sides of the plate 4 is each a photoelectric sensor 5 responsive to reflection or 6 arranged.
- the light rays 5a and 6a of these two Sensors 5, 6 are perpendicular from opposite sides on the assigned paper web 1 or 2 and the plate 4 located behind it directed.
- the surfaces 4.1 and 4.2 facing the sensors 5, 6 plate 4 must be opposite paper webs 1 and 2 have completely different reflectivities. After paper, especially white paper, which is here mostly to be processed, good reflectivity has, the two surfaces 4.1 and 4.2 designed to absorb light.
- the surfaces 4.1 and 4.2 can be blackened.
- the entire can also be expedient Plate 4 consist of black plastic.
- the sensors 5, 6 are set or designed so that they Impact of reflected light does not respond. However, tears e.g. the upper paper web 1 in the running direction A in front of the plate 4, then the surface 4.1 is not more covered by paper web 1 once that to the Crack adjacent end of the plate has passed. Of the Light beam 5a is from the black surface 4.1 then no longer reflected. This is from the receiver part of the sensor 5 recognized and a corresponding Signal the machine is stopped.
Description
- Figur 1
- einen Querschnitt der Kontrolleinrichtung quer zur Papierlaufrichtung nach der Linie I-I der Figur 2,
- Figur 2
- einen Längsschnitt der Kontrolleinrichtung nach der Linie II-II der Figur 1.
Claims (5)
- Kontrolleinrichtung zur Überwachung des Laufes zweier übereinanderliegender Papierbahnen (1, 2) in einer Papierverarbeitungsmaschine, mit photoelektrischen Sensoren (5, 6), deren Lichtstrahlen auf die Oberfläche der Papierbahnen (1, 2) gerichtet sind, dadurch gekennzeichnet, daß eine am Rand der Papierbahnen (1, 2) zwischen beide Papierbahnen eingreifende, stationäre, dünne Platte (4) vorgesehen ist, die sich in Papierlaufrichtung (A) erstreckt, und deren Oberfläche ein anderes Reflexionsverhalten aufweist als die Papierbahn, und daß an den beiden gegenüberliegenden Seiten der Platte (4) je ein auf Reflexion ansprechender, photoelektrischer Sensor (5, 6) so angeordnet ist, daß die Lichtstrahlen (5a, 6a) beider Sensoren von jeweils entgegengesetzten Seiten her auf die zugehörige Papierbahn (1, 2) und die dahinter befindliche Platte (4) gerichtet sind.
- Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Platte (4) an ihren beiden, den Sensoren (5, 6) zugekehrten Seiten lichtabsorbierende Oberflächen (4.1, 4.2) aufweist.
- Einrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Oberflächen (4.1, 4.2) geschwärzt sind.
- Einrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Platte (4) aus schwarzem Kunststoff besteht.
- Kontrolleinrichtung zur Überwachung des Laufes zweier übereinanderliegender Papierbahnen (1, 2) in einer Papierverarbeitungsmaschine, mit photoelektrischen Sensoren (5, 6), deren Lichtstrahlen auf die Oberfläche der Papierbahnen (1, 2) gerichtet sind, dadurch gekennzeichnet, daß eine am Rand der Papierbahnen (1, 2) zwischen beide Papierbahnen (1, 2) eingreifende, stationäre, dünne Platte vorgesehen ist, daß die Platte an ihren beiden, den Sensoren (5, 6) zugekehrten Seiten lichtreflektierende Oberflächen aufweist, deren Oberflächen zur Papierlaufrichtung geneigt sind, und daß an den beiden gegenüberliegenden Seiten der Platte je ein auf Reflexion ansprechender, photoelektrischer Sensor (5, 6) so angeordnet ist, daß die Lichtstrahlen beider Sensoren (5, 6) von jeweils entgegengesetzten Seiten her auf die zugehörige Papierbahn (1, 2) und die dahinter befindliche Platte gerichtet sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19506456 | 1995-02-24 | ||
DE19506456A DE19506456C2 (de) | 1995-02-24 | 1995-02-24 | Kontrolleinrichtung zur Überwachung des Laufes zweier übereinanderliegender Papierbahnen in einer Papierverarbeitungsmaschine |
PCT/DE1995/001858 WO1996026146A1 (de) | 1995-02-24 | 1995-12-21 | Kontrolleinrichtung zur überwachung des laufes zweier übereinanderliegender papierbahnen in einer papierverarbeitungsmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0810970A1 EP0810970A1 (de) | 1997-12-10 |
EP0810970B1 true EP0810970B1 (de) | 1999-03-17 |
Family
ID=7754926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95942045A Expired - Lifetime EP0810970B1 (de) | 1995-02-24 | 1995-12-21 | Kontrolleinrichtung zur überwachung des laufes zweier übereinanderliegender papierbahnen in einer papierverarbeitungsmaschine |
Country Status (7)
Country | Link |
---|---|
US (1) | US5838017A (de) |
EP (1) | EP0810970B1 (de) |
JP (1) | JPH11500396A (de) |
CA (1) | CA2212056A1 (de) |
DE (1) | DE19506456C2 (de) |
ES (1) | ES2130691T3 (de) |
WO (1) | WO1996026146A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10136871A1 (de) * | 2001-07-28 | 2003-02-06 | Koenig & Bauer Ag | Einrichtung zum Erfassen der Lage einer Kante eines Verarbeitungsgutes |
DE10136870A1 (de) * | 2001-07-28 | 2003-02-06 | Koenig & Bauer Ag | Einrichtung zum Erfassen der Lage einer Kante eines Verarbeitungsgutes |
DE10227694A1 (de) * | 2002-06-19 | 2004-01-29 | Koenig & Bauer Ag | Vorrichtung und Verfahren zur Erkennung einer Laufstörung bei einer laufenden Materialbahn |
JP2012201491A (ja) * | 2011-03-28 | 2012-10-22 | Sato Knowledge & Intellectual Property Institute | 巻取り装置及びそれを用いた検査装置 |
CN109516255A (zh) * | 2018-09-25 | 2019-03-26 | 江苏臻中滤料科技有限公司 | 一种滤袋加工用绕卷装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5116319Y1 (de) * | 1970-11-11 | 1976-04-28 | ||
DE2439318A1 (de) * | 1974-08-16 | 1976-02-26 | Phoenix Gummiwerke Ag | Vorrichtung zum staendigen ueberwachen von laufenden gewebebahnen |
JPS5862080A (ja) * | 1981-10-09 | 1983-04-13 | Canon Inc | プリンタ−の紙送り装置 |
JPS622103A (ja) * | 1985-06-28 | 1987-01-08 | Toshiba Corp | 紙葉類の変位検出装置 |
DE3739436C1 (de) * | 1987-11-20 | 1989-03-30 | Sick Optik Elektronik Erwin | Optisches Lochsuchgeraet |
DE4216653C2 (de) * | 1992-05-20 | 1995-12-21 | Voith Gmbh J M | Abrißüberwachungseinrichtung für Papierbahnen |
SE505355C2 (sv) * | 1992-12-22 | 1997-08-11 | Rue Cash Handling Ab De | Anordning för kontrollerad transport av bladformigt material |
-
1995
- 1995-02-24 DE DE19506456A patent/DE19506456C2/de not_active Expired - Fee Related
- 1995-12-21 JP JP8525274A patent/JPH11500396A/ja active Pending
- 1995-12-21 CA CA002212056A patent/CA2212056A1/en not_active Abandoned
- 1995-12-21 US US08/894,720 patent/US5838017A/en not_active Expired - Fee Related
- 1995-12-21 WO PCT/DE1995/001858 patent/WO1996026146A1/de active IP Right Grant
- 1995-12-21 EP EP95942045A patent/EP0810970B1/de not_active Expired - Lifetime
- 1995-12-21 ES ES95942045T patent/ES2130691T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1996026146A1 (de) | 1996-08-29 |
CA2212056A1 (en) | 1996-08-29 |
DE19506456C2 (de) | 1999-07-01 |
US5838017A (en) | 1998-11-17 |
DE19506456A1 (de) | 1996-08-29 |
JPH11500396A (ja) | 1999-01-12 |
EP0810970A1 (de) | 1997-12-10 |
ES2130691T3 (es) | 1999-07-01 |
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