EP1308406B2 - Device for detecting the position of a side edge - Google Patents
Device for detecting the position of a side edge Download PDFInfo
- Publication number
- EP1308406B2 EP1308406B2 EP02023701A EP02023701A EP1308406B2 EP 1308406 B2 EP1308406 B2 EP 1308406B2 EP 02023701 A EP02023701 A EP 02023701A EP 02023701 A EP02023701 A EP 02023701A EP 1308406 B2 EP1308406 B2 EP 1308406B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- camera
- feed table
- equipment according
- sensor system
- format
- 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 - Fee Related
Links
Images
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
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H11/00—Feed tables
-
- 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
- B65H2511/23—Coordinates, e.g. three dimensional coordinates
-
- 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
- B65H2511/50—Occurence
- B65H2511/51—Presence
- B65H2511/514—Particular portion of element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/60—Optical characteristics, e.g. colour, light
-
- 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
- B65H2553/42—Cameras
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/13—Parts concerned of the handled material
- B65H2701/131—Edges
- B65H2701/1315—Edges side edges, i.e. regarded in context of transport
Definitions
- the invention relates to a device for detecting the position of a side edge of a fed to a feed table and the leading edge against leading marks sheet, wherein the side edges within a determined by a minimum and a maximum possible processing format format difference range run in and with the aid of a trained as a camera measuring device be detected.
- a device in which a measuring device designed as a camera is arranged on a traverse provided at a distance above the feed table. Since it is common in sheet-processing machines to selectively detect either the right or left in the sheet transport direction side edge, the camera is slidably mounted on the crosshead. Thus, the camera can be adjusted to the spreading area, in which the sheets to be aligned are conveyed with the side edge on the feed table. That is, the camera must be mechanically adjusted to the different sheet formats and their position recorded to a reference point.
- This device requires for their realization and to achieve a sufficient measurement accuracy a lot of effort.
- the object of the invention is to provide a device for detecting the position of the side edge, which can be realized with little effort and detects the position of the side edge with a high accuracy of measurement.
- the solution according to the invention makes it possible, without mechanical adjustment of the measuring device, to detect the actual position of a side edge at each format occurring within the format difference range and to compare it with a predefined setpoint position, whereby a high measuring accuracy is realized with simple means.
- FIGS. 1 and 3 is a feed table 1 with front marks 4 shown.
- the Anlegmarken 4 are distributed at intervals over the width of the feed table 1 and executed by not shown means from the position on the feed table 1 in a position under the feed table 1 be moved.
- a sheet 2 On the feed table 1 is a sheet 2, which was supported by a belt table, not shown, in the sheet transport direction 3 on the feed table 1 and with the front edge against the front marks 4.
- a cross member 5 is provided fixed to the frame.
- a camera 6 is provided, which is fixedly connected to the cross member 5.
- the camera 6 consists of a housing 9 and a lens 10.
- the housing 9 has a first sensor system 11 and a second sensor system 12 spaced therefrom.
- the sensor systems 11, 12 are designed as image sensors, preferably in line form.
- the camera 6 may each be associated with a light source 21, as in Fig. 1 shown.
- the sheets 2 are usually conveyed approximately symmetrically to a machine center 15 on the feed table 1, wherein the format of the sheet 2 can move between a minimum sheet size F min and a maximum sheet size F max . This results on both sides of the funded on the feed table 1 sheet 2 each have a format difference range 17 and 18.
- the first format difference area 17 is assigned to a left-side direction in the sheet transporting direction 3 while the second size difference area 18 is provided on the opposite side. This runs in the Fig. 3 the sheet 2 with its side edge 19 in the first format difference area 17 and with the opposite side edge 20 in the second format difference area 18 a.
- the camera 6 has a housing 9 and a lens 10.
- the camera 6 is arranged approximately symmetrically to the machine center 16, dashed line in FIG Fig. 3 , and the lens 10 and the distance between the camera 6 and the surface of the feed table 1 are selected so that the maximum format F max is imaged in the camera 6.
- a first sensor system 11 and a second sensor system 12 are provided in the camera 6.
- the first format difference region 17 is imaged on the first sensor system 11 and the second format difference region 18 on the second sensor region 12.
- the format difference regions 17, 18 can be selectively activated so that the first sensor system 11 is detected to detect the actual position of the left side edge 19 entering the first format difference region 17 and the second sensor system 12 is activated to detect the right side edge 20 entering the second format difference region 18. Accordingly, the actual position of the left side edge 19 is formed on the first sensor system 11 by a light / dark difference and the right side edge 20 on the second sensor system 12 by a light / dark difference.
- an actual signal is generated, which is compared with a stored in the processing electronics target signal. If the signals do not match generates an actuating signal which is supplied to adjusting means by which the desired position of the respective side edge 19,20 is realized.
- the light source 21 may be formed so that optionally colored light, preferably red, green or blue light is emitted or from these colors different mixed colors are realized.
- the surface of the setting table 1 can be formed by being polished, provided with a coloring layer or a reflection means.
Description
Die Erfindung betrifft eine Einrichtung zum Erfassen der Position einer Seitenkante eines auf einen Anlegtisch und mit der Vorderkante gegen Vordermarken geförderten Bogens, wobei die Seitenkanten innerhalb eines durch ein minimales und ein maximales zur Verarbeitung möglichen Formats bestimmten Formatdifferenzbereiches einlaufen und mit Hilfe einer als Kamera ausgebildeten Messeinrichtung detektiert werden.The invention relates to a device for detecting the position of a side edge of a fed to a feed table and the leading edge against leading marks sheet, wherein the side edges within a determined by a minimum and a maximum possible processing format format difference range run in and with the aid of a trained as a camera measuring device be detected.
Aus der
Diese Vorrichtung erfordert zu ihrer Realisierung sowie zum Erreichen einer ausreichenden Messgenauigkeit einen hohen Aufwand.This device requires for their realization and to achieve a sufficient measurement accuracy a lot of effort.
Aufgabe der Erfindung ist es, eine Einrichtung zum Erfassen der Lage der Seitenkante zu schaffen, die mit einem geringen Aufwand zu realisieren ist und mit einer hohen Messgenauigkeit die Lage der Seitenkante erfasst.The object of the invention is to provide a device for detecting the position of the side edge, which can be realized with little effort and detects the position of the side edge with a high accuracy of measurement.
Erfindungsgemäß wird die Aufgabe durch eine Einrichtung nach den Merkmalen des Anspruchs 1 gelöst.According to the invention the object is achieved by a device according to the features of
Durch die erfindungsgemäße Lösung ist es möglich, ohne eine mechanische Verstellung der Messeinrichtung bei jedem innerhalb des Formatdifferenzbereiches anfallenden Formats die Istposition einer Seitenkante zu erfassen und mit einer vorgegebenen Sollposition zu vergleichen, wobei mit einfachen Mitteln eine hohe Messgenauigkeit realisiert wird.The solution according to the invention makes it possible, without mechanical adjustment of the measuring device, to detect the actual position of a side edge at each format occurring within the format difference range and to compare it with a predefined setpoint position, whereby a high measuring accuracy is realized with simple means.
Die Erfindung wird an einem Ausführungsbeispiel näher erläutert.The invention will be explained in more detail using an exemplary embodiment.
In den zugehörigen Zeichnungen zeigen
- Fig. 1
- eine schematische Darstellung eines Anlegtischs mit einer erfindungsgemäßen Einrichtung,
- Fig. 2
- eine Schnittdarstellung entlang der Linie A-A in
Fig. 1 , - Fig. 3
- einen Anlegtisch in der Draufsicht.
- Fig. 1
- a schematic representation of a feed table with a device according to the invention,
- Fig. 2
- a sectional view taken along the line AA in
Fig. 1 . - Fig. 3
- a feed table in the plan view.
In den
Die Bogen 2 werden in der Regel etwa symmetrisch zu einer Maschinenmitte 15 auf den Anlegtisch 1 gefördert, wobei das Format der Bogen 2 sich zwischen einem minimalen Bogenformat Fmin und einem maximalen Bogenformat Fmax bewegen kann. Damit ergibt sich auf beiden Seiten der auf den Anlegtisch 1 geförderten Bogen 2 jeweils ein Formatdifferenzbereich 17 und 18. In der
The
Die Kamera 6 weist ein Gehäuse 9 und ein Objektiv 10 auf. Die Kamera 6 ist etwa symmetrisch zur Maschinenmitte 16 angeordnet, gestrichelte Darstellung in
Um unabhängig von der Beschaffenheit des zur Verarbeitung gelangenden Bogenmateriats die Seitenkanten 19 oder 20 erfassen zu können, ist es möglich, kontrastunterstützende Mittel vorzusehen. So kann die Lichtquelle 21 so ausgebildet sein, dass wahlweise farbiges Licht, vorzugsweise rotes, grünes oder blaues Licht emittiert wird oder aus diesen Farben unterschiedliche Mischfarben realisiert werden. Als kontrastunterstützendes Mittel kann auch die Oberfläche des Anlegtischs 1 ausgebildet werden, indem diese poliert, mit einer Farbschicht oder mit einem Reflexionsmittel versehen wird. Außerdem ist es möglich, in dem dem Bogen 2 zugewandten Bereich des Anlegtischs 1 austauschbar kontrastunterstützende Mittel vorzusehen.
Es ist auch möglich, unter Ausnutzung der Oberflächeneigenschaften der Bogen 2 über Winkelanordnung der Lichtquelle 21 eine Kontrastverstärkung zu realisieren. Hierzu ist es denkbar; unter Einbeziehung der Oberfläche des Anlegtischs 1 den Oberflächenreflex zu eliminieren.
Als kontrastverstärkendes Mittel können hierbei zusätzlich Polarisationsfilter in den optischen Strahlengang gebracht werden.The
In order to be able to detect the
It is also possible, by utilizing the surface properties of the
In this case additionally polarization filters can be brought into the optical beam path as a contrast-enhancing agent.
- 11
- Anlegtischfeed table
- 22
- Bogenbow
- 33
- BogentransportrichtungSheet transport direction
- 44
- Vordermarkefront lay
- 55
- Traversetraverse
- 66
- Kameracamera
- 77
- --
- 88th
- --
- 99
- Gehäusecasing
- 1010
- Objektivlens
- 1111
- erstes Sensorsystemfirst sensor system
- 1212
- zweites Sensorsystemsecond sensor system
- 1313
- Gehäusecasing
- 1414
- Objektivlens
- 1515
- Sensorsystemsensor system
- 1616
- Maschinenmittemachine center
- 1717
- erster Formatdifferenzbereichfirst format difference range
- 1818
- zweiter Formatdifferenzbereichsecond format difference range
- 1919
- linke Seitenkanteleft side edge
- 2020
- rechte Seitenkanteright side edge
- 2121
- Lichtquellelight source
- Fmin F min
- minimales Formatminimal format
- Fmax F max
- maximales Formatmaximum format
Claims (7)
- Equipment for detection of the position of a side edge of a sheet (2) conveyed on a feed table (1) and with the front edge against front marks (4), wherein the side edges run in within a format difference range determined by a minimum and a maximum format possible for processing and are detected with the help of a measuring device constructed as a camera (6), characterised in that a camera (6) is arranged fixed relative to the frame at the spacing above the feed table (1), wherein an imaging of the entire maximum format range for processing is carried out in the camera (6) by means of a lens (10), wherein the camera (6) comprises the lens (10) as well as a first sensor system (11) and a second sensor system (12) and wherein the lens (10) images a first format difference range (17) on the first sensor system (11) and a second format difference range (18) on the second sensor system (12).
- Equipment according to claim 1, characterised in that the sensor systems (11, 12) are selectably activatable.
- Equipment according to claim 1, characterised in that contrast-assisting means are associated with the camera (6).
- Equipment according to claim 1 and 3, characterised in that a light source (21) as contrast-assisting means is associated with the camera (6).
- Equipment according to claim 1, 3 and 4, characterised in that the light source (21) selectably emits coloured light.
- Equipment according to claim 1 and 3, characterised in that as contrast-assisting means the surface of the feed table (1) is provided with a coloured or reflective layer.
- Equipment according to claim 1, 3 and 6, characterised in that inserts provided with a coloured layer or reflection layer are provided, as contrast-assisting means, in the surface of the feed table (1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10154036A DE10154036A1 (en) | 2001-11-02 | 2001-11-02 | Device for detecting the position of a side edge |
DE10154036 | 2001-11-02 |
Publications (4)
Publication Number | Publication Date |
---|---|
EP1308406A2 EP1308406A2 (en) | 2003-05-07 |
EP1308406A3 EP1308406A3 (en) | 2004-03-17 |
EP1308406B1 EP1308406B1 (en) | 2006-03-08 |
EP1308406B2 true EP1308406B2 (en) | 2009-07-08 |
Family
ID=7704512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02023701A Expired - Fee Related EP1308406B2 (en) | 2001-11-02 | 2002-10-23 | Device for detecting the position of a side edge |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1308406B2 (en) |
DE (2) | DE10154036A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012076671A1 (en) * | 2010-12-08 | 2012-06-14 | Bielomatik Leuze Gmbh + Co. Kg | Method and device for aligning a sheet in front of a sheet processing machine |
CN108820945B (en) * | 2018-06-15 | 2020-05-05 | 南通大学 | Automatic film feeding device |
JP6897889B2 (en) * | 2018-11-29 | 2021-07-07 | Jfeスチール株式会社 | Defect grinding method for round steel and manufacturing method for steel |
DE102022105873A1 (en) | 2022-03-14 | 2023-09-14 | Körber Technologies Gmbh | Measuring device in the energy cell producing industry for measuring the position and/or orientation of flat elements conveyed in a conveying direction |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19842192A1 (en) † | 1998-09-15 | 2000-03-16 | Roland Man Druckmasch | Shadow detection system monitors sheets of paper as they are fed to a printing process preventing damage from incorrect grade paper |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE553624A (en) * | 1955-12-22 | |||
NL6714948A (en) * | 1967-11-03 | 1969-05-06 | ||
GB2052734B (en) * | 1979-05-21 | 1983-10-19 | Daystrom Ltd | Position and dimension measuring apparaus |
JPS56161507U (en) * | 1980-05-01 | 1981-12-01 | ||
CH676695A5 (en) * | 1988-05-19 | 1991-02-28 | Bobst Sa | |
DE3928159A1 (en) * | 1989-08-25 | 1991-02-28 | Erhardt & Leimer Gmbh | EDGE PROBE |
DE9110653U1 (en) * | 1991-08-28 | 1991-11-14 | Gpa Gesellschaft Fuer Prozess-Automation Mbh, 2000 Hamburg, De | |
DE4130677C2 (en) * | 1991-09-14 | 1995-11-23 | Roland Man Druckmasch | Device for photoelectric monitoring of the run of webs in rotary printing machines |
FI94176C (en) * | 1992-12-16 | 1995-07-25 | Valmet Paper Machinery Inc | Method and apparatus for tracking the edge of a moving track |
DE4438014C2 (en) * | 1994-10-25 | 1997-07-31 | Bodenseewerk Geraetetech | Device for measuring the length of moving parts |
DE29515614U1 (en) * | 1995-10-02 | 1995-11-16 | Erhardt & Leimer Gmbh | Device for detecting the position of running material webs |
DE19618030B4 (en) * | 1996-05-04 | 2006-06-01 | Heidelberger Druckmaschinen Ag | Method and device for laterally aligning a sheet |
DE19757527C1 (en) * | 1997-12-23 | 1999-04-29 | Fischer Maschf Karl E | Optical breadth measuring equipment for strip material |
DE19926848A1 (en) * | 1999-06-13 | 2000-01-20 | Stephan Joerg | Edge position sensing of continuously moving fabric line by infrared light uses transverse line of emitters and receivers and deduces edge position from integrated value of reflected light |
-
2001
- 2001-11-02 DE DE10154036A patent/DE10154036A1/en not_active Withdrawn
-
2002
- 2002-10-23 DE DE50205999T patent/DE50205999D1/en not_active Expired - Lifetime
- 2002-10-23 EP EP02023701A patent/EP1308406B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19842192A1 (en) † | 1998-09-15 | 2000-03-16 | Roland Man Druckmasch | Shadow detection system monitors sheets of paper as they are fed to a printing process preventing damage from incorrect grade paper |
Also Published As
Publication number | Publication date |
---|---|
EP1308406A2 (en) | 2003-05-07 |
DE10154036A1 (en) | 2003-05-15 |
DE50205999D1 (en) | 2006-05-04 |
EP1308406B1 (en) | 2006-03-08 |
EP1308406A3 (en) | 2004-03-17 |
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