EP1308276B1 - Dispositif pour traiter des feuilles imprimées ou lacquées sur les deux cotés - Google Patents
Dispositif pour traiter des feuilles imprimées ou lacquées sur les deux cotés Download PDFInfo
- Publication number
- EP1308276B1 EP1308276B1 EP20020023700 EP02023700A EP1308276B1 EP 1308276 B1 EP1308276 B1 EP 1308276B1 EP 20020023700 EP20020023700 EP 20020023700 EP 02023700 A EP02023700 A EP 02023700A EP 1308276 B1 EP1308276 B1 EP 1308276B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- equipment according
- air
- textile belt
- chain
- 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
- 239000004753 textile Substances 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 description 12
- 235000011962 puddings Nutrition 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/0443—Drying sheets, e.g. between two printing stations after printing
Definitions
- the invention relates to a device for treating printed on both sides and / or lacquered sheet in printing machines, wherein the sheets transported along a Bogen overviewweges of the gripper carriage are supported by a arranged below the Bogen adjweges sheet guiding device in their promotion and above the Bogen intensiveweges dryer and / or powderers are provided which correspond to a sheet guiding device arranged below the sheet conveying path.
- hot air dryers are used in printing presses.
- the air jet affects the bow. By the air jet of the arc forms a wave which breaks through the air cushion, which has formed between sheet guiding device and bow. The result is that the sheet touches the sheet guide and smears. This effect also occurs when the sheet is powdered and the powder jet strikes the bow.
- a dryer in the Auslege Scheme of printing machines is known.
- the dryer is designed as a combination dryer with IR radiation and hot air working, provided.
- a sheet guiding device is provided, which is lowered in the middle and can be acted upon with suction and blowing air.
- the sheet guiding device is intended to ensure contactless guidance of the printed sheets, in particular in the case of sheets printed on both sides. If it comes to the touch of the sheet with the sheet guiding device lubricates the sheet.
- sheet guiding devices known in printing presses, which are arranged below the Bogen arrangementsweges and should enable a smear-free bowing.
- the sheet guiding device consists of endless circulating straps, which are guided over two spaced waves.
- a reference of the sheet guiding device to a dryer or a powder device is this document can not be removed (DE 40 30 374 A1).
- the object of the invention is to treat a printed in the printing machine and / or painted sheet in sheet delivery with a force acting on the top of the sheet blowing air without the sheet smears it.
- the invention surprisingly ensures the drying and powdering of a double-sided printed sheet in the sheet delivery without it smearing. This is made possible by the assignment of a circulating sheet guiding device to a combination dryer and / or a powder device.
- the speed of the rotating sheet guiding device comprising a textile fabric is adapted to the machine speed with which the sheet circulates in the sheet delivery. Blowing or suction air from the air box acting from below against the bow, support the bowing.
- Fig. 1 shows a schematic representation of a complete sheet delivery 1 to illustrate the location of the invention in the machine.
- the sheet delivery 1 is preceded by a printing cylinder 28. Shown are the front and the rear Kettenumlenkrad 2,3, over which the endless chain circle 4 is guided with the gripper carriage 5.
- the gripper carriage 5 promote the substrate (sheet) 6 on the delivery stack 7. From the sheet delivery 1, the front sheet stops 9 and the suction roll 8 are still shown. Above and in front of the delivery stack 7 air generators 27 are arranged.
- the sheet delivery further comprises a non-stop means 11 for stack change.
- a combination dryer 15 and below a corresponding with the combination dryer sheet guiding device 16 is provided (Fig. 2).
- the combination dryer 15 and the sheet guiding device 16 can also be used in a sheet delivery 1 are used with delivery extension. They just have to correspond to each other. Instead of the combination dryer 15 or together with this, a powder device 29 may be provided.
- Fig. 1 combination dryer 15 and powder device 29 are shown to illustrate the location as a box.
- Fig. 2 shows the combination dryer 15 and the sheet guiding device 16 in a detailed representation.
- the combination dryer 15 is seen in the sheet running direction of a hot air blade 17, an infrared dryer 18 and a cold air squeegee 19.
- the blow jets 20 of hot and cold air knife 17, 19 are directed to the sheet 6.
- the equipment of the combination dryer 15 may also be different than shown in the embodiment. It would also be conceivable to design the combination dryer 15 as an infrared dryer 18 with a downstream cold air squeegee 19.
- FIG. 3 shows a pudding device 29 which is arranged above the sheet conveying path 12 and which is again associated with the sheet guiding device 16. It can be seen that both the combination dryer 15 and the powder device 28 act on the sheet 6 by means of a blowing jet 20.
- the blowing jet 20 consists of hot air or cold air.
- the blowing jet 20 consists of a powder-air mixture.
- Combination dryer 15 and powder device can be individually as shown in Figures 2 and 3 or provided together in a sheet delivery 1.
- the sheet guiding device 16 has the following structure. About two sprockets 21, a chain 22 is guided on both sides. The sprockets 21 are spaced apart from each other and a sprocket 21 is provided with a drive. The drive is designed such that the sheet guiding device 16 runs at its speed in synchronism with the machine speed in the sheet conveying direction. On the chain 22, two diametrically opposed clamping shafts 24 are arranged. On the tension shafts 24 between the chains 21 a over the width of the Bogen administratweges 12 extending textile belt 23 is attached.
- the textile belt 23 is permeable to air and it is moved like a conveyor belt around the sprockets 21 and it runs on an air box 26 which has a closed surface which has openings 6 directed to the arc 6.
- air generators 27 are provided within the air box 26.
- the air box 26th Air is supplied from outside via air ducts.
- the surface of the air box 26 forms a guide surface for the textile belt 23.
- the air generators 27 can optionally be acted upon depending on the print job with suction or blowing air.
- the printed and / or painted sheet 6 is taken over by the printing cylinder 28 of the grippers 5 of the chain circle 4, dried in the sheet delivery 1 and / or painted and stored on the delivery pile 7.
- the sheet 6 is charged with the blowing jet 20 of the hot air doctor 17 and then with the blowing jet 20 of the Kait Kunststoffrakel 19. Between the application of hot air and cold air, the sheet 6 is dried by the infrared dryer 18.
- the sheet 6 is acted upon by the blowing jet 20 consisting of a powder-air mixture.
- blow jet 20 consisting of a powder-air mixture.
- the air generator 27 in the air box 26 of the sheet 6 can be acted upon via the openings 25 either with blown air or with suction.
- a supporting air cushion acting against the blowing jet 20 is generated on the sheet 6.
- a non-positive connection between the sheet 6 and the textile belt 23 is constructed, which counteracts any relative movement between sheet 6 and textile belt 23.
- the guide surface of the air box 26 ensures a safe sliding of the textile belt 23 on the air box 26th
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Drying Of Solid Materials (AREA)
Claims (14)
- Installation pour traiter des feuilles (6) imprimées et/ou enduites sur les deux faces dans des installations de sortie de feuilles (1) de machine d'impression dans lesquelles les feuilles circulent le long d'un chemin de transfert de feuilles (12), entraînées par un chariot à pinces (5) circulant sur un chemin à chaîne (4) continu, pour être déposées sur une pile de sortie (7) alors que sur le trajet vers la pile de sortie (7) un séchoir combiné (15) agissant par un jet soufflant (20) sur le dessus des feuilles (6) et/ ou un distributeur de poudre (29),
caractérisée en ce qu'
une installation de guidage de feuilles (16) associée au séchoir combiné (15) et/ou au distributeur de poudre (29) en dessous du chemin de transfert de feuilles (12), se compose d'une bande textile (23) sans fin, circulant et soutenant la feuille (6). - Installation selon la revendication 1,
dans laquelle
la bande textile (23) passe sur les axes tendeurs (24) et une chaîne (22) reliée aux axes tendeurs (24), cette chaîne passant sur deux roues à chaîne (21) écartées l'une de l'autre. - Installation selon la revendication 2,
comportant
un caisson à air (26) dans la chaîne (22). - Installation selon la revendication 2,
dans laquelle
la bande textile (23) s'étend sur la largeur du chemin (12) de transfert de feuilles. - Installation selon la revendication 2,
dans laquelle
la chaîne (22) comporte deux axes tendeurs (24) diamétralement opposés. - Installation selon la revendication 1,
dans laquelle
la bande textile (23) est perméable à l'air. - Installation selon la revendication 3,
dans laquelle
le caisson à air (26) comporte des ouvertures (25) dirigées vers la feuille (6). - Installation selon la revendication 3,
dans laquelle
le caisson à air (26) comporte au moins un générateur d'air (27). - Installation selon la revendication 3,
dans laquelle
le caisson à air (26) est sollicité par de l'air aspiré ou de l'air soufflé. - Installation selon la revendication 1,
dans laquelle
les roues à chaîne (21) sont entraînées à la vitesse de la machine. - Installation selon la revendication 1,
dans laquelle
le séchoir combiné (16) se compose d'au moins une racle à air chaud et d'une racle à air froid (17, 19). - Installation selon la revendication 11,
dans laquelle
un séchoir à infrarouge (18) est prévu entre la racle à air chaud et la racle à air froid (17, 19) . - Installation selon la revendication 1,
dans laquelle
le jet soufflé (20) du distributeur de poudre (29) se compose d'un mélange d'air et de poudre. - Installation selon la revendication 3,
dans laquelle
la surface du caisson à air (26) est constituée par une surface de guidage de la bande textile (23).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2001154416 DE10154416B4 (de) | 2001-11-06 | 2001-11-06 | Einrichtung zum Behandeln beidseitig bedruckter und/oder lackierter Bogen |
DE10154416 | 2001-11-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1308276A1 EP1308276A1 (fr) | 2003-05-07 |
EP1308276B1 true EP1308276B1 (fr) | 2006-06-14 |
EP1308276B2 EP1308276B2 (fr) | 2013-01-02 |
Family
ID=7704749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02023700A Expired - Lifetime EP1308276B2 (fr) | 2001-11-06 | 2002-10-23 | Dispositif pour traiter des feuilles imprimées ou lacquées sur les deux cotés |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1308276B2 (fr) |
DE (2) | DE10154416B4 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006043055B4 (de) * | 2006-09-14 | 2014-07-17 | manroland sheetfed GmbH | Verfahren zum Betreiben einer Trocknereinrichtung einer Druckmaschine |
DE102006055287A1 (de) * | 2006-11-23 | 2008-05-29 | Man Roland Druckmaschinen Ag | Verfahren und Vorrichtung zur Führung von Bogenmaterial in einer Verarbeitungsmaschine |
EP2463100B1 (fr) | 2010-12-03 | 2013-07-17 | Heidelberger Druckmaschinen AG | Machine de traitement de feuilles, notamment presse à feuilles |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1944858A1 (de) * | 1969-09-04 | 1971-03-11 | Mueller Emil Max | Siebdruckmaschine mit vielseitig verwendbarer Bandfoerderanlage |
DE2607504C3 (de) * | 1976-02-25 | 1979-02-01 | Gerhard 4800 Bielefeld Klemm | Vorrichtung zum Trocknen von dünnen Materialien in Stücken oder Bahnen im Durchlauf |
CH635298A5 (fr) * | 1980-05-05 | 1983-03-31 | De La Rue Giori Sa | Dispositif de transport pour le transfert des feuilles fraichement imprimees. |
DE4030374C2 (de) * | 1990-09-26 | 1995-12-07 | Kba Planeta Ag | Bogenführeinrichtung |
DE4139388C2 (de) * | 1991-11-29 | 1994-06-30 | Roland Man Druckmasch | Anordnung zum kontinuierlichen Entsorgen einer Bogendruckmaschine |
DE4218421A1 (de) * | 1992-06-04 | 1993-12-09 | Heidelberger Druckmasch Ag | Bogenführung im Ausleger einer Druckmaschine |
DE4239561C2 (de) * | 1992-11-25 | 2000-10-19 | Heidelberger Druckmasch Ag | Kettenförderer einer Bogendruckmaschine |
DE4244002A1 (de) * | 1992-12-24 | 1994-07-07 | Platsch Hans G | Bogenleiteinheit |
DE4442557B4 (de) * | 1994-11-30 | 2005-12-22 | Heidelberger Druckmaschinen Ag | Ausleger einer Bogendruckmaschine |
US5540152A (en) * | 1995-04-10 | 1996-07-30 | Demoore; Howard W. | Delivery conveyor with control window ventilation and extraction system |
DE19733691C2 (de) † | 1996-12-10 | 2001-02-08 | Heidelberger Druckmasch Ag | Bogen verarbeitende Rotationsdruckmaschine |
-
2001
- 2001-11-06 DE DE2001154416 patent/DE10154416B4/de not_active Expired - Fee Related
-
2002
- 2002-10-23 EP EP02023700A patent/EP1308276B2/fr not_active Expired - Lifetime
- 2002-10-23 DE DE50207182T patent/DE50207182D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE10154416A1 (de) | 2003-05-15 |
EP1308276A1 (fr) | 2003-05-07 |
DE50207182D1 (de) | 2006-07-27 |
EP1308276B2 (fr) | 2013-01-02 |
DE10154416B4 (de) | 2009-09-03 |
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