EP1935817A2 - Dispositif de guidage destiné à l'introduction de feuilles dans une machine d'imprimerie - Google Patents
Dispositif de guidage destiné à l'introduction de feuilles dans une machine d'imprimerie Download PDFInfo
- Publication number
- EP1935817A2 EP1935817A2 EP07023428A EP07023428A EP1935817A2 EP 1935817 A2 EP1935817 A2 EP 1935817A2 EP 07023428 A EP07023428 A EP 07023428A EP 07023428 A EP07023428 A EP 07023428A EP 1935817 A2 EP1935817 A2 EP 1935817A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- brush
- hold
- strip
- sheet
- guide device
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F21/00—Devices for conveying sheets through printing apparatus or machines
- B41F21/12—Adjusting leading edges, e.g. front stops
-
- 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
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/36—Article guides or smoothers, e.g. movable in operation
- B65H5/38—Article guides or smoothers, e.g. movable in operation immovable in operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H9/00—Registering, e.g. orientating, articles; Devices therefor
- B65H9/14—Retarding or controlling the forward movement of articles as they approach stops
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/50—Surface of the elements in contact with the forwarded or guided material
- B65H2404/56—Flexible surface
- B65H2404/561—Bristles, brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/60—Other elements in face contact with handled material
- B65H2404/69—Other means designated for special purpose
- B65H2404/694—Non driven means for pressing the handled material on forwarding or guiding elements
- B65H2404/6942—Non driven means for pressing the handled material on forwarding or guiding elements in sliding contact with handled material
-
- 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
- B65H2515/30—Forces; Stresses
- B65H2515/34—Pressure, e.g. fluid pressure
Definitions
- the invention relates to a guide device for sheet feeding in the area of a sheet feeder on a sheet-processing machine, in particular a printing press.
- Such guide devices have been known for a long time. They are used in the area of a sheet feeder of a sheet-processing machine, wherein the sheet must be introduced in the area of an investment table, for example, by sheet-fed rotary printing presses in advances for pre-transfer before the transfer to the sheet-fed rotary printing press itself.
- rod-like elements are provided, which are arranged above the sheet system associated with the plant table. This allows arriving bows to be kept so flat that they can be brought against front and under deck brands for proper investment.
- a guide for sheet feeding to a printing machine has become known.
- this guide device By means of this guide device is to be avoided that in a submerged sheet feed succession sheets are influenced by the running in the printing press sheet.
- the sheet that has just been conveyed entrains the succeeding sheet entering the feed table and thus disturbing or preventing its orientation. It can also be prevented that its trailing edge is high, which can lead to damage of the sheet when touching conveying elements.
- a guide for sheet feeding to a printing machine known.
- This device has hold-down elements on a clocked against a feed table in the area before leading brands engageable device.
- the hold-down elements are designed as a rod or brush strip and interchangeable.
- a disadvantage of rigid devices is that they are on the one hand opposite to the sheet-carrying surface, such as the investment table or a belt table upstream, adjustable, but that they remain in this position during operation.
- the sheets may therefore be pulled too much over the returning front or top marks. This often results in damage to the surface of the bow, which can make them useless.
- the error occurs that the sheets are not sufficiently pressed against the investment table either because of the elasticity of the brushes and so are not properly introduced into the front or top brands. If the brush is used too hard, the bow can be braked excessively even before the leading edge enters the front and top marks, forcing it to fall into misplacement.
- the object of the invention is therefore to avoid the disadvantages of the known device.
- the guide can be used as a brush for substantially all substrates.
- the guide can be approximated to the surface of the sheet or removed from the surface of the sheet to be conveyed, if the operating condition requires. This ensures that sheets of very different quality, from a thin label paper to a cardboard of almost 1 mm thickness, can easily be fed well into the front or cover brands, but not too much over the top marks or front marks that they would be damaged.
- the device also allows a sensitive adjustment depending on the printing material thickness and quality. Furthermore, the delivery of the guide can be remotely controlled and thus automated.
- FIG. 1 the area of a sheet system with a feed table 1 is shown.
- the feed table 1 is usually preceded by a conveyor in the form of a so-called belt table for supplying a submerged stream of sheets 4 from a sheet feeder to a sheet-processing machine.
- the leading end of a sheet 4 is in each case below the trailing end of the preceding sheet 4.
- the investment table 1 is shown here in a basic form. At the investment table 1 front or top marks 2 are arranged to align the sheet 4 at the front edge. Upstream of the front or top marks 2 in the conveying direction 11 is a hold-down device 6 with a holder 10. Within the holding-down device 6, a so-called hold-down brush 8 is provided on the holder 10. The hold-down brush 8 is disposed near the front or top marks 10 and can be adjustable by means of the holder 10 with respect to the front or top marks 2 and the surface of the investment table 1. In the investment table 1, pneumatic guide devices in the form of blow-suction nozzles 5 can furthermore be arranged. In addition, 2 guide rollers 9 may be provided at the front and top brands.
- the hold-down device 6 is arranged upstream of the feed table 1, a side mark 7 for lateral alignment of the sheet 4 transverse to a conveying direction 11.
- the sheets 4 are fed from the sheet-processing machine in the conveying direction 11 after being aligned laterally on the side mark 7 and the orientation with respect to their front edge at the front or top marks 2 by means of a conveyor, e.g. a pre-gripper, taken over and to a bow-guiding cylinder 3, e.g. a conditioning drum, handed over, where they are deducted from the investment table 1.
- a conveyor e.g. a pre-gripper
- a bow-guiding cylinder 3 e.g. a conditioning drum
- FIG. 2 schematically an embodiment of the holding device 6 according to the invention is shown.
- the hold-down brush 8 is to vote on the respective operating conditions in their position relative to the front or top marks 2 and adjustable in their effective height on the investment table 1.
- receptacles for the holding-down brush 8 carrying support means 13 for example an axis may be provided.
- the support means 13 can be parallel and vertically adjustable to the feed table 1, and arranged pivotable about the axis. It is thus possible to adjust the hold-down device 6 with respect to the front or top marks 2.
- the height adjustment can be done by means of pivoting in the brackets 10 optionally by means of remotely controllable drives.
- the hold-down brush 8 may be designed as a brush strip 14.
- the brush strip 14 can be exchangeably held in a receiving device 12 connected to the carrying device 13 or forming it itself.
- a support strip 15 is arranged on the receiving device 12.
- the support strip 15 is angled down at its pointing in the transport direction 11 of the sheet 4 edge.
- the lower edge of the support strip 15 rests on the upper side of the bristles of the brush strip 14.
- the hold-down brush 8 or brush strip 14 can be arranged controllable in their assignment to the front or top marks 2 and also with respect to the conveying plane of the investment table 1.
- a control can be carried out so that the brush bar 14 is made only against the first sheet 4 of a lying underneath conveyed bow stream when its leading edge has passed the brush bar 14. This can ensure that the leading edge of the sheet 4 is safely passed under the deck marks 2 and thus also against the front marks, without getting caught on the brush bar 14.
- the brush strip 14 is adjustable as a result of attachment to the holder 10, for example by means of the support means 13 with respect to the front or top marks 2 and in height above the plant table 1.
- the attachment of the brush strip 14 can be provided adjustable in its angle relative to the surface of the investment table 1.
- a targeted controllable, clocked or oscillating movement of the hold-down brush 8 is preferably provided on both brackets 10.
- a pneumatic drive can be independent controlled by the machine cycle and the machine speed.
- a movement of the hold-down brush 8 and the brush bar 14 can be variably adjusted with respect to the movement of each sheet 4 and for different operating conditions.
- the hold-down brush 8 or brush strip 14 can be used without exchange for other guide elements in the processing of paper up to cardboard
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Registering Or Overturning Sheets (AREA)
- Discharge By Other Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200620019103 DE202006019103U1 (de) | 2006-12-19 | 2006-12-19 | Leitvorrichtung zur Bogenzufuhr an einer Druckmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1935817A2 true EP1935817A2 (fr) | 2008-06-25 |
EP1935817A3 EP1935817A3 (fr) | 2009-10-07 |
Family
ID=37833199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07023428A Withdrawn EP1935817A3 (fr) | 2006-12-19 | 2007-12-04 | Dispositif de guidage destiné à l'introduction de feuilles dans une machine d'imprimerie |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1935817A3 (fr) |
DE (1) | DE202006019103U1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103434866A (zh) * | 2013-08-30 | 2013-12-11 | 无锡宝南机器制造有限公司 | 纸张走正调节装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016105632A1 (de) * | 2016-03-24 | 2017-09-28 | Manroland Web Systems Gmbh | Bremsbürste mit Bürstenbesatz |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4242606A1 (fr) * | 1992-01-31 | 1993-08-05 | Koenig & Bauer Ag | |
EP0684201A1 (fr) * | 1994-05-24 | 1995-11-29 | Bobst S.A. | Dispositif auxiliaire d'entraînement pour le transport de feuilles de papier ou de carton |
EP1110887A1 (fr) * | 1999-12-21 | 2001-06-27 | Heidelberger Druckmaschinen Aktiengesellschaft | Dispositif pour guider des feuilles et procédé appliquant ledit dispositif de guidage |
US20010040339A1 (en) * | 2000-05-15 | 2001-11-15 | Buck Hermann Karl | Crosscutter |
-
2006
- 2006-12-19 DE DE200620019103 patent/DE202006019103U1/de not_active Expired - Lifetime
-
2007
- 2007-12-04 EP EP07023428A patent/EP1935817A3/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4242606A1 (fr) * | 1992-01-31 | 1993-08-05 | Koenig & Bauer Ag | |
EP0684201A1 (fr) * | 1994-05-24 | 1995-11-29 | Bobst S.A. | Dispositif auxiliaire d'entraînement pour le transport de feuilles de papier ou de carton |
EP1110887A1 (fr) * | 1999-12-21 | 2001-06-27 | Heidelberger Druckmaschinen Aktiengesellschaft | Dispositif pour guider des feuilles et procédé appliquant ledit dispositif de guidage |
US20010040339A1 (en) * | 2000-05-15 | 2001-11-15 | Buck Hermann Karl | Crosscutter |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103434866A (zh) * | 2013-08-30 | 2013-12-11 | 无锡宝南机器制造有限公司 | 纸张走正调节装置 |
CN103434866B (zh) * | 2013-08-30 | 2016-02-24 | 无锡宝南机器制造有限公司 | 纸张走正调节装置 |
Also Published As
Publication number | Publication date |
---|---|
DE202006019103U1 (de) | 2007-02-22 |
EP1935817A3 (fr) | 2009-10-07 |
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