WO2003013995A1 - Umlenkstange - Google Patents
Umlenkstange Download PDFInfo
- Publication number
- WO2003013995A1 WO2003013995A1 PCT/DE2002/002662 DE0202662W WO03013995A1 WO 2003013995 A1 WO2003013995 A1 WO 2003013995A1 DE 0202662 W DE0202662 W DE 0202662W WO 03013995 A1 WO03013995 A1 WO 03013995A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sleeve
- jacket
- openings
- deflecting rod
- rod according
- Prior art date
Links
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
- B65H23/32—Arrangements for turning or reversing 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
- B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/10—Means using fluid made only for exhausting gaseous medium
- B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/10—Means using fluid made only for exhausting gaseous medium
- B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
- B65H2406/111—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along a curved path, e.g. fluidised turning bar
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/10—Means using fluid made only for exhausting gaseous medium
- B65H2406/14—Means using fluid made only for exhausting gaseous medium with selectively operated air supply openings
Definitions
- the invention relates to a deflecting rod according to the upper portion of claims 1 or 2.
- Such deflecting rods come for. B. used to deflect individual webs obtained by longitudinal cutting of a printed paper web by 90 ° in order to lay them one above the other and in this way to be able to feed a folding device. With this deflection, the material web wraps around half of the circumference of the turning bar.
- US 54 64 143 A or DE 43 11 438 C2 describes a deflecting rod, in which an interior of the deflecting rod can be pressurized with compressed air, which passes through a large number of holes the surface of the deflecting rod wrapped by the web emerges and in this way generates an air cushion between the jacket of the deflecting rod and the web.
- a turning bar with blowing openings is known, which can be covered by flat elements in the areas near the end for the purpose of adapting to different web widths.
- the track runs on the turning bar between the elements.
- WO 91/17943 A1 shows a sleeve which can be arranged via a turning bar with blowing openings.
- the sleeve is made of porous material, the structure of which causes an even air outlet.
- the invention has for its object to provide a deflecting rod.
- the at least one sleeve of the deflecting rod enables the width of the gas outlet area on the jacket of the deflecting rod to be restricted in two different ways.
- the sleeve itself is free of through openings at at least one axial end, so that at this end it is itself able to cover the outlet openings of the casing on which it is mounted.
- the sleeve can extend over the entire length of the jacket provided with outlet openings; in this case the use of a sleeve to be selected from a plurality of different sleeves, each with a different arrangement of areas free of through openings, allows the exit area to be adapted to the width of a material web to be deflected.
- sleeves which only extend over part of the length of the jacket and which are arranged in a row to cover the entire area of the jacket provided with through-openings.
- sleeves with through openings distributed congruently to the outlet openings on the one hand and sleeves without through openings on the other hand it is possible to adapt the width of the air cushion which can be produced on the surface of the deflecting rod to the width of the material web to be deflected.
- the sleeve or sleeves is or are arranged continuously along the entire length of the through openings. This prevents a collision of the material web with covers arranged on the side.
- the sleeves can have the shape of a hollow cylinder, which can be pushed onto the jacket via a fly-mounted end of the deflecting rod.
- this solution requires an exact match of the outer diameter of the jacket and the inner diameter of the sleeve, so that on the one hand the sleeve can be easily plugged on and on the other hand compressed air can not escape significantly to the side between the jacket and the sleeve. It is more advantageous if the sleeves only extend over a little more than half the circumference of the jacket and can be plugged onto the jacket in the radial direction.
- the expansion over more than half of the circumference is necessary in order to achieve a secure hold of the sleeve on the deflecting rod; the extent to which the sleeve extends beyond half the circumference of the jacket depends on the flexibility of the material of the sleeve and results from a compromise between, on the one hand, the requirement that the sleeves must be able to be fitted and removed without excessive force, and, on the other hand, the Requirement that the sleeve must connect tightly enough to the lateral surface so that compressed air does not flow to the side to a significant extent between the jacket and the sleeve.
- the sleeve and / or the jacket is provided on their mutually facing surfaces with a recess which allows a tool, such as a screwdriver, to be inserted between the jacket and sleeve.
- the jacket and the sleeve are expediently provided with complementary locking means for fixing positions of the sleeve in the circumferential and / or axial direction.
- the locking means can, for. B. each include a recess on one of the two parts to be locked and a cooperating with the recess elastically displaceable projection on the other part.
- the depression is preferably provided on the sleeve and the first displaceable projection on the jacket, so that the wall thickness of the sleeve can be kept low.
- control layer arranged between the jacket and the sleeve.
- this control layer is formed from a gas-permeable material, in particular a fabric or a nonwoven. The use of such a control layer allows the compressed air throughput of the deflecting rod and thus the strength of the air cushion produced to be controlled in a simple manner.
- control layer is formed from an easily penetrable material which, when undamaged, is gas-impermeable or at least has a considerable flow resistance.
- materials can e.g. B. be paper, metal or plastic film.
- the control layer becomes at least in areas where it is known that it is not covered by the deflecting material web and in areas where it is uncertain whether it is covered by the material web become or remain free, clamped between a sleeve and the jacket. If the exact course of the material web on the deflecting rod has subsequently been determined, it is sufficient to pierce the control layer in through holes which lie in the area covered by the material web with a pointed tool in order to allow compressed air to escape through such through holes.
- control layer it is preferably provided at least locally with a self-adhesive coating. This can be used to attach the control layer to the jacket of the deflecting rod or to the inside of the sleeve.
- the sleeves on the deflecting rod are circumferential rotatably arranged relative to the deflecting rod.
- aligned openings are out of alignment by twisting one or more of the sleeves.
- a design as a removable sleeve can be advantageous in order to be able to carry out cleaning work in a simple manner.
- Figure 1 is a plan view of a turning bar according to a first embodiment of the invention, which is set up for turning a wide web of material.
- Figure 2 is a plan view of the same turning bar after converting to turn a narrower web of material.
- FIG. 3 shows a plan view of a modified embodiment of a sleeve for the turning bar from FIG. 1;
- FIG. 4 shows a section through the turning bar from FIG. 1 along the line IV-IV;
- FIG. 5 shows a section along the line V - V from FIG. 4;
- FIG. 6 shows a section analogous to that of FIG. 4 according to a preferred further development of the turning bar
- FIG. 7 shows a sleeve for the turning bar shown in FIG. 6 with a control layer mounted thereon; 8 shows a modification of the turning bar, which is suitable for deflecting the material web in changing directions;
- Fig. 10 is a schematic representation with attachment of a sleeve
- Fig. 11 is a schematic representation with attachment of a control layer.
- the turning bar shown in plan view in FIG. 1 has an elongated cylindrical body 01, in the interior of which a chamber 02 extends over essentially the entire length of the body 01.
- a tube 03 is connected to a longitudinal end of the body 01, which connects the turning bar to a frame (not shown) and through the interior of which the chamber 02 is supplied with compressed gas, in particular compressed air.
- the jacket 04 of the body 01 is on about half of its circumference and essentially over the entire length with outlet openings 06 arranged in a regular pattern for the exit of z. B.
- These outlet openings 06 are covered in FIG. 1 by a plurality of attached sleeves 07, in each of which a plurality of through openings 08 are distributed in the same regular pattern as the outlet openings 06 of the jacket 04.
- the outlet openings 06 and the through openings 08 are aligned with one another, so that compressed air can escape from the chamber 02 and form an air cushion between the jacket 04 and a material web 09, in particular paper web 09 deflected thereon.
- the material web 09 is shown transparently in FIGS. 1 and 2 for the purpose of showing the through openings 08.
- FIG. 1 shows the body 01 with four with through openings 08 provided sleeves 07 equipped.
- compressed air can escape over the entire length of the jacket 04, and the turning bar is suitable for deflecting a material web 09 of maximum width.
- the width of the sleeves 07; 11 and thus the number of these sleeves 07; 11, which can be mounted on the body 01 at the same time, can be chosen from the point of view of expediency that a good adaptation of the width of the air outlet area on the surface of the turning bar to a plurality of different material web widths to be deflected or also to different positions of the material web 09 on the turning bar is possible is.
- FIG. 2 shows, it is possible with the closed sleeves 11 to prevent the escape of compressed air in end regions of the turning bar which are not touched by the material web 09 to be deflected; However, in each case in the vicinity of the edge of the material web 09 there are outlet openings 08 ′ which are not covered by the material web 09 and through which compressed air can nevertheless flow out.
- the sleeve 12 shown in FIG. 3 can be provided as a further accessory of the turning bar. The surface of this sleeve 12 is divided along a spiral line 13 into a solid area 14 and a perforated area 16.
- the sleeves 07 each extend over a little more than half the circumference of the Jacket 04 so that they cover its entire surface provided with outlet openings 06; they consist of a flexible material, e.g. B. plastic or thin sheet metal, so that the sleeves 07 can be mounted on the body 01 by plugging in the radial direction of the body 01, ie from the left in FIG. 4, and can be removed by pulling in the opposite direction.
- a flexible material e.g. B. plastic or thin sheet metal
- an accessory set for the turning bar expediently comprises a plurality of such sleeves 12, each of which has a perforated area 16 at different positions in the longitudinal direction of the sleeve 12 (axial direction of the turning bar) and in different widths.
- FIG. 5 shows in a longitudinal section along the line V - V from FIG. 4 an expedient further development of the turning bar described above.
- a flat slot 18 is formed at a position opposite a longitudinal end 17 of the sleeve 07, in which a tool, e.g. B.
- a tool e.g. B
- the tip of a screwdriver 19 can be inserted in order to release the sleeve 07 from the jacket 04 by levering and turning.
- a corresponding slot 21 can also be provided for the same purpose in the sleeve 07 (or, of course, an unperforated sleeve 11).
- a second development shown in FIG. 5 relates to the exact placement of the sleeve 07; 12 on the jacket 04.
- the recess 24 can be formed on the bottom of a groove (not shown in FIG. 5) which extends over the inner surface of the sleeve 07, 11 or 12, in particular in the axial direction or in the circumferential direction.
- the groove simplifies the placement of the sleeve 07, 11 or 12, since after the sleeve 07, 11 or 12 has been fitted onto the body 01, the ball 23 or another projection used in its place can first be brought into engagement with the groove and then can be locked to the recess 24 while maintaining the engagement with the groove.
- a depression 25 can be provided on the jacket 04, which extends either in sections or over the length of the area of the jacket 04 provided with outlet openings 06.
- Fig. 6 shows a section analogous to that of Fig. 4 by an advantageous modification of the turning bar.
- a control layer 26 is additionally clamped between the jacket 04 and the sleeve 07.
- This control layer 26 consists of a thin, flexible material that can be selected differently depending on the desired control function.
- a control function which can be implemented with such a control layer 26 is a metered throttling of the air flow through the outlet openings 06 and through openings 08. If, as shown in FIG lead to an undesirable increase in the air flow in the remaining outlet area.
- control layer 26 In order to throttle the air outlet in such a situation and to obtain a stable air cushion even for a narrow material web 09, a material such as a woven or non-woven fabric can be used as the control layer 26 be that the air flowing through the outlet openings 06 and through openings 08 is resisted and thus throttles the air outlet to the desired extent.
- a control layer 26 expediently extends, unlike the one shown in FIG. 6, uninterruptedly over all outlet openings 06 covered by the sleeve 07.
- control layer 26 can be the exact adaptation of the dimensions of the area through which air flows on the surface of the jacket 04 to the width and position of the material web 09 to be deflected.
- an easily penetrable material such as paper or aluminum foil is used as the control layer 26, which is practically impermeable to air. If a sleeve 07 with such a control layer 26 has been mounted on the body 01 between it and the jacket 04, then the control layer is used to adapt to the width of a material web 09 to be deflected
- control layer 26 is placed exactly so that edge strips 29 of the control layer 26 which do not come out at the edge of the sleeve 07 come into contact with the material web 09 to be deflected.
- control layer 26 which is tailored to the dimensions of the sleeve 07, is expediently provided locally with a self-adhesive coating.
- a self-adhesive coating can be used to first attach the control layer 26 to the jacket 04 and then to attach the sleeve 07.
- the coating is arranged on an edge of the control layer 26 and serves to glue it to a straight edge 31 of the sleeve 07.
- control layer 26 fastened in this way is automatically pulled tight and placed correctly. If the sleeve 07 is removed again, the control layer 26 can also be easily removed, since it is only bonded to the sleeve 07 at one edge.
- control layer 26 In addition to the fastening of the sleeve 07 or the control layer 26 according to FIG. 5 or 10, it is also possible to hold the control layer 26 on the jacket 04 by means of a clamping device 30 arranged in or on the jacket 04.
- a clamping device 30 arranged in or on the jacket 04.
- a thin but stable film e.g. B. formed as a metal foil control layer 26 can then be stretched, and. U. without the use of additional sleeves 07; 11; 12 are held on the jacket 04.
- the jacket 04 of the turning bar is provided with outlet openings 06 only on one half of its circumference.
- the sheath 04 over its entire circumference Has outlet openings 06, and of which either one or the other half is optionally open and can be flowed through by compressed air.
- FIG. 8 and 9 show the transfer of the principles of the present invention to such turning bars.
- 8 shows a top view
- FIG. 9 shows a section through a turning bar along the line IX-IX from FIG. 8.
- outlet openings 06 are distributed over the entire circumference of the jacket 04 of the turning bar.
- the jacket 04 is of a plurality of cylindrical sleeves 32; 33 surround, wherein the sleeves 32 are analogous to the sleeves 11 described above are free of through openings and the sleeves 33 have through openings 08 each on half of their circumference.
- the sleeves 32; 33 each have a hollow cylindrical shape and can be plugged onto the turning bar in the axial direction. For this purpose, the turning bar is overhung.
- sleeves with a solid and a perforated area can also be provided in this embodiment, which are separated by a spiral line, analogous to the sleeve 12 from FIG. 3.
- the use of a control layer is also possible in that this. B. in the manner of a hose before attaching the sleeves to the turning bar body or attached to a front longitudinal end of a sleeve, together with this the turning bar body is put over.
- the surface quality and coating can easily be optimally adapted to different equipment (paint, paper).
- the support tube and the sleeve can be made of different materials, e.g. B. the plastic support tube (lightweight!).
- the air outlet openings on the sleeve can be designed differently in shape, size, distribution and in cross section or profile.
- one or more through holes 08 having sleeves 07 are arranged, which can be rotated on the jacket 04 in the circumferential direction with respect to the turning bar.
- at least outer sleeves 07 can be rotated.
- a wide web of material 09 can be conveyed. If at least one outer sleeve 07 is rotated in such a way that the openings 06 and 08 no longer align at least in one area of one or more sleeves 07, then compressed gas no longer flows through the concealed outlet openings 06. A correspondingly narrower material web is in this position 09 can be conveyed without air escaping from openings 08 not covered by the web 09 and causing a pressure drop.
- the sleeves 07 can be designed in the form of a closed hollow cylinder or, as shown in FIG. 4, can be removed or mounted in a clip-like manner.
- the turning bar has sleeves 07 in the entire area provided with outlet openings 06, at least one sleeve 07 to be rotated in this way being arranged at least in the areas close to the two end faces.
Landscapes
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Pinball Game Machines (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT02794489T ATE307080T1 (de) | 2001-08-01 | 2002-07-19 | Umlenkstange |
DE50204620T DE50204620D1 (de) | 2001-08-01 | 2002-07-19 | Umlenkstange |
EP02794489A EP1412268B1 (de) | 2001-08-01 | 2002-07-19 | Umlenkstange |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10137725A DE10137725C2 (de) | 2001-08-01 | 2001-08-01 | Umlenkstange |
DE10137725.8 | 2001-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003013995A1 true WO2003013995A1 (de) | 2003-02-20 |
Family
ID=7694012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/002662 WO2003013995A1 (de) | 2001-08-01 | 2002-07-19 | Umlenkstange |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1412268B1 (de) |
AT (1) | ATE307080T1 (de) |
DE (2) | DE10137725C2 (de) |
WO (1) | WO2003013995A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1837177A3 (de) * | 2006-03-24 | 2010-10-27 | manroland AG | Wendestange für Rotationsdruckmaschine |
US20200122492A1 (en) * | 2018-10-18 | 2020-04-23 | Xerox Corporation | Blower roll to assist paper detack from vacuum transports |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006050910A1 (de) * | 2006-10-28 | 2008-05-21 | Man Roland Druckmaschinen Ag | Wendevorrichtung |
DE102008008772B4 (de) * | 2008-02-12 | 2010-12-09 | Gerhard Bach | Leitelement zum Leiten von flexiblem Flachmaterial |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0648629A (ja) * | 1992-07-24 | 1994-02-22 | Mitsubishi Heavy Ind Ltd | 輪転印刷機におけるターンバー |
DE4311438A1 (de) * | 1993-04-07 | 1994-10-13 | Koenig & Bauer Ag | Wendestange für eine Materialbahn |
EP1088780A2 (de) * | 1999-10-01 | 2001-04-04 | Heidelberger Druckmaschinen Aktiengesellschaft | Vorrichtung zum wahlweisen Verschleissen von Blasöffnungen in Bedruckstoff führenden Leiteinrichtungen oder Stangen von Rotationsdruckmaschinen |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991017943A1 (en) * | 1990-05-11 | 1991-11-28 | Liedtke Rudolph J | Air bearing for web material |
JP2801519B2 (ja) * | 1993-04-08 | 1998-09-21 | ゴス グラフイック システムズ インコーポレイテッド | 印刷機用の幅調整可能なアングルバー組立体 |
-
2001
- 2001-08-01 DE DE10137725A patent/DE10137725C2/de not_active Expired - Fee Related
-
2002
- 2002-07-19 DE DE50204620T patent/DE50204620D1/de not_active Expired - Fee Related
- 2002-07-19 AT AT02794489T patent/ATE307080T1/de not_active IP Right Cessation
- 2002-07-19 EP EP02794489A patent/EP1412268B1/de not_active Expired - Lifetime
- 2002-07-19 WO PCT/DE2002/002662 patent/WO2003013995A1/de not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0648629A (ja) * | 1992-07-24 | 1994-02-22 | Mitsubishi Heavy Ind Ltd | 輪転印刷機におけるターンバー |
DE4311438A1 (de) * | 1993-04-07 | 1994-10-13 | Koenig & Bauer Ag | Wendestange für eine Materialbahn |
EP1088780A2 (de) * | 1999-10-01 | 2001-04-04 | Heidelberger Druckmaschinen Aktiengesellschaft | Vorrichtung zum wahlweisen Verschleissen von Blasöffnungen in Bedruckstoff führenden Leiteinrichtungen oder Stangen von Rotationsdruckmaschinen |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 018, no. 279 (M - 1612) 27 May 1994 (1994-05-27) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1837177A3 (de) * | 2006-03-24 | 2010-10-27 | manroland AG | Wendestange für Rotationsdruckmaschine |
US20200122492A1 (en) * | 2018-10-18 | 2020-04-23 | Xerox Corporation | Blower roll to assist paper detack from vacuum transports |
US10814653B2 (en) * | 2018-10-18 | 2020-10-27 | Xerox Corporation | Blower roll to assist paper detack from vacuum transports |
Also Published As
Publication number | Publication date |
---|---|
ATE307080T1 (de) | 2005-11-15 |
DE10137725C2 (de) | 2003-09-18 |
DE50204620D1 (de) | 2006-03-02 |
EP1412268A1 (de) | 2004-04-28 |
DE10137725A1 (de) | 2003-02-27 |
EP1412268B1 (de) | 2005-10-19 |
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