EP0810969A1 - Glättvorrichtung in einer papierverarbeitenden maschine - Google Patents
Glättvorrichtung in einer papierverarbeitenden maschineInfo
- Publication number
- EP0810969A1 EP0810969A1 EP95942046A EP95942046A EP0810969A1 EP 0810969 A1 EP0810969 A1 EP 0810969A1 EP 95942046 A EP95942046 A EP 95942046A EP 95942046 A EP95942046 A EP 95942046A EP 0810969 A1 EP0810969 A1 EP 0810969A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- deflecting
- paper web
- paper
- smoothing
- rod
- 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.)
- Granted
Links
- 238000012545 processing Methods 0.000 title claims abstract description 10
- 238000009499 grossing Methods 0.000 claims description 46
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000003213 activating effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/34—Apparatus for taking-out curl from 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
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
Definitions
- the invention relates to a smoothing device for a paper web in a paper processing machine, with a stationary deflecting rod extending transversely to the direction of paper travel, with a deflection roller parallel to this, in the paper direction of this downstream or upstream deflection roller and with two each carrying the ends of the deflection rod and the deflection roller together
- Support plates which are adjustable on a stationary bracket around an axis of rotation arranged parallel to the axis of the deflecting rod and deflecting roller, the paper web for smoothing is guided in an S-shape between the deflecting rod and the deflecting roller and is thereby pulled frictionally over the deflecting rod.
- Paper web can be directed differently. However, since this can only be determined after a test run of the machine, it is often necessary to unthread the paper web from the smoothing device (also called decurler) so that the deflecting rod and deflecting roller can be pivoted into a position in which the Eliminating an opposing curvature of the paper web is possible. Then the paper web must then be re-threaded, which is time-consuming because this has to be done not only at the decurler but also at other stations on the machine.
- the invention is therefore an object of the invention to provide a smoothing device for a paper web in a papi erverarbei machine, in which S-shaped deformations of the paper web are avoided while the machine is at a standstill.
- the smoothing device is to be designed in such a way that it also enables the removal of curvatures which are directed in opposite directions and which are caused by the laser printer, without re-threading the paper web.
- the invention first provides that one of the support plates is assigned a servomotor with which the support plate can be pivoted widely by motor SD, and that at least the deflecting rod can be brought out of contact with the paper web.
- the smoothing device is inactive and no S-shaped deformations can form when the machine is at a standstill. Even when the machine is started up, the smoothing device initially remains in its inactive position. This has the advantage that between
- a particularly advantageous embodiment of the smoothing device consists in that two similar smoothing devices are arranged one behind the other in the paper running direction, the supporting plates of which can be pivoted about their pivot axes by means of a servomotor each such that their deflecting conditions in the inactive state of the smoothing devices on opposite sides of the paper web are at a distance are arranged by this. If the paper web is threaded in this inactive state of the smoothing devices between their deflecting rods and deflecting rollers, then one or the other smoothing device can be activated after the machine has started up, depending on the direction in which the paper web is bent by the laser printer when the machine is at a standstill.
- the invention is explained in more detail below with reference to two exemplary embodiments shown in the drawing. Show it:
- FIG. 1 shows a longitudinal section of the smoothing device in the activated state
- FIG. 2 shows a longitudinal section in the deactivated state
- Figure 3 shows a partial cross section along the line III-III of
- Figure 4 shows a longitudinal section of a particularly advantageous
- Embodiment with two formwork in a row similar Glatt devices Embodiment with two formwork in a row similar Glatt devices
- Figure 5 shows a longitudinal section of this embodiment in
- the resting deflecting rod 1 which extends transversely to the running direction A of the paper web 2, is attached with its two ends to a support plate 3 each.
- the stationary deflecting rod 1 has a relatively small deflecting radius R of, for example, 5 mm, or possibly also one or more deflecting edges.
- Support plates 3 is also rotatably mounted a deflecting roller 4 of larger diameter, the axis A2 of which extends parallel to the axis A1 of the deflecting rod 1. As can be seen from FIG. 3, the support plate 3 lies against an intermediate plate 5.
- This intermediate plate 5 is rotatably connected to a drive shaft 6 which can be driven by the servomotor 7. Since the drive shaft 6 only has to rotate in a relatively small pivoting range of approximately 90 °, not only an electric motor with a gear but also, for example, a rotary magnet or a piston-cylinder unit can be used as the servomotor.
- the support plate 3 can also be limitedly adjustable and clampable relative to the intermediate plate 5 about the pivot axis A3 formed by the drive shaft 6.
- two clamping screws 8 are provided, of which only one is shown in the drawing.
- FIG. 1 shows the smoothing device in an activated state.
- the paper web 2 coming from a laser printer (not shown) is guided in an S-shape between the deflecting rod 1 and the deflecting roller 4 for smoothing. It is frictionally pulled over the deflecting rod 1, causing a curvature of the paper web through
- the smoothing device In order that no S-shaped deformation occurs in the paper web when the machine is at a standstill, the smoothing device is made inactive when the machine is at a standstill. This takes place in that the intermediate plate 5, together with the support plate 3, is pivoted from its active position in the direction B into its inactive position shown in FIG. 2 by means of the servomotor 7. In this position, the stationary deflecting rod 1 is arranged at a distance from the paper web 2 and the deflecting roller 4 also does not touch the paper web. The inactive position of the smoothing device is briefly maintained even when starting off.
- FIG. 1 A particularly advantageous embodiment of the invention is shown in FIG.
- two similar smoothing devices G1 and G2 are arranged one behind the other in the paper running direction A.
- the configuration of each of these two smoothing devices G1 and G2 corresponds here to the configuration described above with reference to FIGS. 1-3.
- Each of the two smoothing devices G1 and G2 is assigned its own servomotor.
- the support plates 3 of the two smoothing devices G1 and G2 are rotated by 180 ° to one another with their associated ones Intermediate plates 5 connected.
- the actuators for activating the respective smoothing device are driven in opposite directions to one another. This ensures that the deflecting rods 1 of both smoothing devices are arranged in the non-activated state on opposite sides of the paper web at a distance from it, as shown in FIG.
- both smoothing devices G1 and G2 are in the positions shown in FIG.
- the paper web 2 can pass freely through the two smoothing devices G1 and G2. If it is found during the test run that the paper web in the laser printer receives a curvature that can be reversed by activating the smoothing device G1, then this smoothing device is activated according to FIG. 4, as shown in FIG. 4. If, on the other hand, the paper web in the laser printer receives an opposite curvature, the other smoothing device G2 is activated by pivoting its support plate in the direction of arrow C according to FIG. U, while the support plate of the smoothing device G1 is deactivated by pivoting its support plate 3 in the direction of arrow B. So you can either use one or the other smoothing device during operation of the machine without the need to re-thread the paper web.
Landscapes
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Replacement Of Web Rolls (AREA)
- Unwinding Webs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19506465 | 1995-02-24 | ||
DE19506465A DE19506465C2 (de) | 1995-02-24 | 1995-02-24 | Glättvorrichtung für eine Papierbahn in einer papierverarbeitenden Maschine |
PCT/DE1995/001859 WO1996026145A1 (de) | 1995-02-24 | 1995-12-21 | Glättvorrichtung in einer papierverarbeitenden maschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0810969A1 true EP0810969A1 (de) | 1997-12-10 |
EP0810969B1 EP0810969B1 (de) | 1999-03-17 |
Family
ID=7754934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95942046A Expired - Lifetime EP0810969B1 (de) | 1995-02-24 | 1995-12-21 | Glättvorrichtung in einer papierverarbeitenden maschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US6007471A (de) |
EP (1) | EP0810969B1 (de) |
CA (1) | CA2212221A1 (de) |
DE (1) | DE19506465C2 (de) |
ES (1) | ES2130692T3 (de) |
WO (1) | WO1996026145A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19713207A1 (de) | 1997-03-28 | 1998-10-01 | Bielomatik Leuze & Co | Richtvorrichtung für Lagenmaterial, insbesondere Papier |
US6331155B2 (en) * | 1999-02-16 | 2001-12-18 | Dean S. Hanna | Ribbon curling machine and process |
DE10152162A1 (de) * | 2001-10-25 | 2003-05-08 | Hauni Maschinenbau Ag | Vorrichtung zum Transport von band- oder streifenförmigem Material |
US7124671B2 (en) | 2003-05-06 | 2006-10-24 | Pitney Bowes Inc. | Method and device for reducing web breakage in a web cutter |
US20060156876A1 (en) | 2005-01-19 | 2006-07-20 | Pitney Bowes Incorporated | Motion control system and method for a high speed inserter input |
US20120004087A1 (en) * | 2010-06-30 | 2012-01-05 | Xerox Corporation | Dynamic sheet curl/decurl actuator |
EP2489619A1 (de) * | 2011-02-16 | 2012-08-22 | Felix Waldner GmbH | Verfahren zum Bearbeiten von Tafel- oder Bandmaterialien sowie Vorrichtung |
US20170282601A1 (en) * | 2016-04-01 | 2017-10-05 | Ricoh Company, Ltd. | Adjustable s-rollers in a print system |
CN108238295A (zh) * | 2016-12-26 | 2018-07-03 | 上海烟草集团有限责任公司 | 一种包装纸卷曲刮平装置及烟草设备 |
CN108455349A (zh) * | 2018-05-28 | 2018-08-28 | 曲靖乾坤纸制品有限公司 | 一种铝箔复合内衬纸防卷曲机构 |
US11535045B2 (en) | 2019-03-06 | 2022-12-27 | Ricoh Company, Ltd. | Adjustable web handling mechanism |
CN111731902B (zh) * | 2020-07-03 | 2022-03-29 | 佛山市悍虎汽车科技有限公司 | 一种珍珠棉卷材制造收卷处理机械及处理方法 |
CN113086722A (zh) * | 2021-03-17 | 2021-07-09 | 浙江威灵顿新材料股份有限公司 | 缝编清洁布的生产设备 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1935726A (en) * | 1932-03-21 | 1933-11-21 | Waterbury Farrel Foundry & Mac | Variable wire tensioning device |
US3051362A (en) * | 1960-05-05 | 1962-08-28 | Nat Standard Co | Bead building apparatus |
DE2029007C3 (de) * | 1969-08-22 | 1975-02-13 | Adamovske Strojirny N.P., Adamov (Tschechoslowakei) | Vorrichtung zum Einstellen der Druckkraft einer in Haltern gelagerten Auftragwalze eines Feuchtwerkes einer Offsetdruckmaschine |
US4360356A (en) * | 1980-10-15 | 1982-11-23 | The Standard Register Company | Decurler apparatus |
US4539072A (en) * | 1984-01-31 | 1985-09-03 | Beloit Corporation | Curl neutralizer |
JP2514374B2 (ja) * | 1987-08-20 | 1996-07-10 | コニカ株式会社 | 転写式画像形成装置の転写紙カ−ル除去装置 |
US5009749A (en) * | 1990-08-09 | 1991-04-23 | Martin Automatic, Inc. | Web decurler |
US5193728A (en) * | 1991-09-17 | 1993-03-16 | Eastman Machine Co. | Unidirectional pinch rollers for a cloth spreading machine |
JPH05330711A (ja) * | 1992-05-27 | 1993-12-14 | Brother Ind Ltd | 画像形成装置における記録用紙のカール除去装置 |
DE4314672A1 (de) * | 1993-05-04 | 1994-11-10 | Wet Tex Maschinenbau Gmbh | Vorrichtung zum Breithalten und Zentrieren einer Warenbahn |
US5848347A (en) * | 1997-04-11 | 1998-12-08 | Xerox Corporation | Dual decurler and control mechanism therefor |
-
1995
- 1995-02-24 DE DE19506465A patent/DE19506465C2/de not_active Expired - Fee Related
- 1995-12-21 US US08/894,721 patent/US6007471A/en not_active Expired - Fee Related
- 1995-12-21 EP EP95942046A patent/EP0810969B1/de not_active Expired - Lifetime
- 1995-12-21 ES ES95942046T patent/ES2130692T3/es not_active Expired - Lifetime
- 1995-12-21 WO PCT/DE1995/001859 patent/WO1996026145A1/de active IP Right Grant
- 1995-12-21 CA CA002212221A patent/CA2212221A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO9626145A1 * |
Also Published As
Publication number | Publication date |
---|---|
US6007471A (en) | 1999-12-28 |
WO1996026145A1 (de) | 1996-08-29 |
EP0810969B1 (de) | 1999-03-17 |
DE19506465C2 (de) | 1997-01-16 |
ES2130692T3 (es) | 1999-07-01 |
DE19506465A1 (de) | 1996-08-29 |
CA2212221A1 (en) | 1996-08-29 |
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