CN1272427A - Cleaning device for printer - Google Patents
Cleaning device for printer Download PDFInfo
- Publication number
- CN1272427A CN1272427A CN00108121A CN00108121A CN1272427A CN 1272427 A CN1272427 A CN 1272427A CN 00108121 A CN00108121 A CN 00108121A CN 00108121 A CN00108121 A CN 00108121A CN 1272427 A CN1272427 A CN 1272427A
- Authority
- CN
- China
- Prior art keywords
- cleaning
- pressurizing member
- cylinder
- roll circumference
- cloths
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F35/00—Cleaning arrangements or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2235/00—Cleaning
- B41P2235/10—Cleaning characterised by the methods or devices
- B41P2235/20—Wiping devices
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Cleaning In General (AREA)
Abstract
An impression drum 10 has gripper claws 12 which chuck the front edge of a sheet and only a drum peripheral section 10A extending between the gripper claws 12 sequentially set is cleaned each time in a first cleaning phase. In addition, a cleaning cloth 24 is sent in advance only in a specified cloth section 22, against a region of another drum peripheral section 10B extending between the gripper claws 12 to which the cleaning cloth 24 is not brought into contact. After at least the single turn of the impression drum 10, the other drum peripheral section is cleaned and at the same time, the cleaning cloth 24 is fed each time when one drum peripheral section already cleaned passes through a pressing element 20.
Description
The present invention relates to a kind of cleaning device for printer that is used for cleaning the periphery of the cylinder that is rotating, cylinder has the gripper device that is used for clamping the printing sheet-fed on its at least two positions of dividing its circumference equally, cleaning device comprises a pressurizing member, whenever can alternately lean against on the periphery of cylinder at the rag that cloths for cleaning during the cleaning is extending on the pressurizing member by this pressurizing member and can throw off again, wherein cloths for cleaning contacts with periphery on the position that fits, and on the position of throwing off, do not contact with circumference, so that can continue to carry the cloths for cleaning section of a regulation.
The present invention be more particularly directed to the cleaning of the hold-down roller in the sheet-fed press.
By the known a kind of such printing machine-cleaning device of US4 344 361 (DE 3005469C2).Its pressurizing member is made up of an inflatable rubber rib.Cloths for cleaning is wetting and twist on the dirty rag roller in rubber rib back by spray equipment from clean rag cylinder to the distance of rubber rib at it.Only be not pressed on the surface to be cleaned by the rubber rib at cloths for cleaning, but leave it one section little apart from the time, cloths for cleaning just continues to carry or feeding.
Other prior aries: DE19611126A1, DE3005469C2, EP0257818B1, JP09277496A.
The objective of the invention is, cleaning roller is particularly avoided the pit that pollutes grippers more and form on cylinder in cleaning course better.
Solve like this according to this purpose of the present invention, a control device is set, it according to cleaning during the angle position of cylinder regulation control pressurizing member in this wise by last and throw off the roll circumference face, make that cylinder whenever circles during first cleaning stage of cleaning, as long as the first of roll circumference face regulation to be cleaned turns over from pressurizing member is other, pressurizing member is just always on the roll circumference face, and as long as the second portion of roll circumference face regulation is when its next door turns over, pressurizing member is just thrown off from cylinder; Cylinder whenever circles during second cleaning stage of cleaning, as long as the second portion of roll circumference face regulation to be cleaned turns over from pressurizing member is other, pressurizing member just leans against on the roll circumference face always, and as long as the first of roll circumference face regulation is when its next door turns over, pressurizing member is just thrown off from cylinder, and each circumferential section of cylinder finishes before from a grippers structure to another grippers structure.
By preferred construction form of the present invention imagination, control device is made like this, it make pressurizing member together with the cloths for cleaning that contact with it whenever within the grippers zone time just from disengaged position to moving on the top.
According to the another kind of preferred construction form imagination of the present invention, control device is made like this, and it makes pressurizing member whenever just move to the applying position from disengaged position soon before pressurizing member will arrive the grippers structure of roll circumference face portion to be cleaned together with the cloths for cleaning that contacts with it.
Another preferred construction form imagination of the present invention, pressurizing member is one can pass through the prismatic body that Compressed Gas, particularly compressed air expand to roll circumference face direction.
Advantage of the present invention is:
The cloths for cleaning of making dirty can not be drawn together its dirt on the edge of the pit of grippers or rotatably mounted grippers again.Therefore the grippers rag cleaning that can only be cleaned, and can not polluted by the dirt in grippers roller in front periphery part again.Also avoid the dirt of cloths for cleaning to bring in the pit.This impels and carries out gyration and work well all the time with grippers fixing and that discharge sheet-fed.Also make it have the long life-span owing to reduce the pollution of grippers.For the pin that is installed in below the grippers also is the same, grippers can be from turn-off on the pin, thereby pin can lift the corresponding end of sheet-fed from cylinder, make the sheet-fed end can go on comb shape and take device (Abscherkamm) off, and export from cylinder thus.
As an example the present invention is added explanation by means of a kind of preferred construction form with reference to the accompanying drawings.Represent among the figure:
The printing equipment of Fig. 1 sheet-fed press is together with the diagrammatic side view by cleaning device of the present invention.
Fig. 1 schematically illustrates in the printing machine printing image and is printed onto on the single sheet by rubber cloth rewinder roll 4 from printing plate cylinder 2, for example sheet-fed or individual other materials, and for example on the plastics, it is clamped by grippers 12 at its front end along the direction of rotation 8 of hold-down roller 10.
Grippers 12 is bearing in a pit or the cannelure 14 pivotally, and can automatically change pit 14 interior off-positions over to from the compacted position shown in Fig. 1, so that discharge the sheet-fed end behind printing process.Grippers has a pin 18 below the end end on hold-down roller 10, during its off-position in grippers 12 rotates back into pit 14 sheet-fed 16 free ends are lifted from hold-down roller 10, make and walk comb shape on the free end of sheet-fed and take device 20 off, and can make sheet-fed 6 thus from hold-down roller 10 outputs.
Fig. 1 represents two pits that radially are oppositely arranged 14 and the attached grippers 12 and the structure of pin 18.But one or the three or more structure of grippers 12 and attached pit 14 of waiting to compress sheet-fed 6 that is used for respective numbers also can only be set according to other version.
Single sheet only draws with chain-dotted line signal in Fig. 1, because the present invention relates to a kind of cleaning device and clean method that is used for cleaning the periphery of hold-down roller 10, does not wherein load onto single sheet 6 at the cleaning run duration on hold-down roller 10.
Cleaning device comprises a pressurizing member 20, can alternately lean against on the periphery of hold-down roller 10 in the rag section 22 that cleaning run duration cloths for cleaning 24 is extending on this pressurizing member by pressurizing member and can throw off again.Cloths for cleaning 24 contacts with the periphery of hold-down roller 10 on the position that is close to, at this moment rag maintains static, and it does not contact with the periphery of hold-down roller 10 on disengaged position, and continues to carry the rag section 22 of one section regulation to dirty rag roller 28 from clean rag roller 26.
Be provided with a control device 30 in order to control pressurizing member 20 together with the applying and the disengagement of the rag section above it 22 and the periphery of hold-down roller 10.This control device 30 preferably one have at least one data processor and have the electronic installation of control program, control program can be fix or wherein at least some can freely be programmed.
Make like this according to control device 30 of the present invention, make its angle position and the revolution control of hold-down roller 10 or applying and disengagement of adjusting pressurizing member 20 according to hold-down roller 10 regulations.
At least turn over a whole circle at hold-down roller 10, switch by control device 30 after particularly several whole circles, lean against on the hold-down roller 10 and above it and throw off by switching stagger circumferential distance between two grippers 12 structures that are connected mutually of pressurizing member 20.The second portion 10B that needs only the roll circumference of regulation when cylinder whenever circles during second cleaning stage of present back to back cleaning thus turns over from pressurizing member 20 sides, pressurizing member 20 just leans against on the circumference of hold-down roller 10 always, when but the first that needs only the roll circumference of regulation turned on the pressurizing member side, pressurizing member 20 was just thrown off from roll circumference.
From grippers structure 12 one beginning of each circumferential section 10A of hold- down roller 10 and 10B also ends at next grippers structure 12.Two this structures in many grippers 12 radially relatively are set on the cylinder cylindrical when the version shown in Fig. 1.
Secondly control device 30 is made like this, it only during each pressurizing member 20 is thrown off from relevant roll circumference part 10A or 10B cloths for cleaning 24 just continue conveying or send the rag section 22 of a regulation to.
Therefore hold-down roller 10 changes a whole circle at least, and rag section 22 pressurized elements 20 only are pressed on roll circumference part 10 and its grippers 12 at every turn during especially many whole circles, and are not pressed on another roll circumference part 10B and its grippers.When another roll circumference part 10B turned over from adding element 20 sides, cloths for cleaning 24 continued to be fed forward a rag section 22.Control system 30 is switched as stated above then, make the cylinder pressurizing member 20 that whenever circles be with rag section 22 to lean against on the roll circumference part 10B, and throw off from another circumferential section 10A of cylinder, make whenever circle when another circumferential section of cylinder 10A cloths for cleaning 24 of cylinder continue to be fed forward the length of a rag section 22.
In order to make partially or even wholly cleaning together of grippers 12, it is suitable that rag section 22 in grippers 12 zone or has soon just entered the position that fits before the zone of affiliated pit 14 by pressurizing member 20.
Pressurizing member 20 preferably compressed air by a pneumatic circuit can move to prism, especially the rubber prism of the position that fits to the direction towards hold-down roller 10 peripheries from disengaged position, as by known to the described US4344361.Replace the rubber prism also can adopt other pneumatic adjustable pressurizing members, particularly a series of pistons.Also know by same document, cloths for cleaning from the stepping of clean rag roller be rolled onto on the dirty rag roller.Secondly know by this data that cloths for cleaning is wetting with water or other liquid of damping device 36, make it play the washing rag.According to the known version cloths for cleaning of another kind can be wetting in advance rag.Not wetting in advance at rag, and only under the in addition wetting on demand situation of its that section on the pressurizing member 20, have such possibility, wash the periphery of hold-down roller, with the dryer section of cloths for cleaning it is dried then.
Claims (5)
1. be used for cleaning the cleaning device for printer of the periphery of the cylinder that is rotating, cylinder has the gripper device (12) that is used for clamping single sheet on its at least two positions of dividing its circumference equally, cleaning device comprises a pressurizing member (20), can alternately lean against on the periphery of cylinder in the rag section (22) that cloths for cleaning during the cleaning is extending on the pressurizing member by this pressurizing member and can throw off again, wherein cloths for cleaning contacts with periphery on the position that fits, and on the position of throwing off, do not contact with circumference, so that can continue to be fed forward the cloths for cleaning section of a regulation, it is characterized in that:
Be provided with a control device (30), it is fitted on the roll circumference face and above it and throws off controlling pressurizing member (20) in this wise according to the angle position of cylinder regulation during the cleaning, make the first cleaning stage phase cylinder in cleaning whenever circle, when as long as the first (10A) of roll circumference regulation to be cleaned turns over from pressurizing member is other, pressurizing member (20) just leans against on the roll circumference face always, when but the second portion (10B) that needs only roll circumference face regulation turned over by its, pressurizing member (20) was just thrown off from cylinder; Cylinder whenever circles during second cleaning stage of cleaning, when as long as the second portion (10B) of the regulation of roll circumference face to be cleaned turns over from pressurizing member (20) is other, pressurizing member (20) just leans against on the roll circumference face always, when but the first (10A) that needs only roll circumference face regulation turns over by its, pressurizing member (20) is just thrown off from cylinder, (10A 10B) stops since a gripper device (12) and at another gripper device (12) each circumferential section of cylinder before.
2. press the cleaning device for printer of claim 1, it is characterized in that: control device (30) is made like this, and it makes pressurizing member (20) together with just moving to the applying position from disengaged position within the gripper device zone with its contacted cloths for cleaning section (22).
3. press the cleaning device for printer of claim 1, it is characterized in that: control device (30) is made like this, and it makes pressurizing member (20) together with just moving to the applying position from disengaged position before at the gripper device (12) that it is about to arrive roll circumference face portion to be cleaned with its contacted cloths for cleaning section (22).
4. by each cleaning device for printer of aforesaid right requirement, it is characterized in that: pressurizing member (20) is one can pass through Compressed Gas, particularly compressed air to the roll circumference face direction swollen prism that expands.
5. by each cleaning device for printer of aforesaid right requirement, it is characterized in that: grippers (12) is in the one end is bearing in a pit (14) pivotally, (10A 10B) ends at before the pit of another gripper device (12) or beginning place each roll circumference face portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19920228A DE19920228A1 (en) | 1999-05-03 | 1999-05-03 | Printing machine cleaning device |
| DE19920228.1 | 1999-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1272427A true CN1272427A (en) | 2000-11-08 |
Family
ID=7906763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00108121A Pending CN1272427A (en) | 1999-05-03 | 2000-04-28 | Cleaning device for printer |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1050408B1 (en) |
| JP (1) | JP2000343683A (en) |
| CN (1) | CN1272427A (en) |
| DE (2) | DE19920228A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102233716A (en) * | 2010-03-29 | 2011-11-09 | 海德堡印刷机械股份公司 | Rotary printing device with printing form cylinder and transfer cylinder |
| CN103257556A (en) * | 2012-02-17 | 2013-08-21 | 富士施乐株式会社 | Image forming apparatus |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10056026A1 (en) * | 2000-11-11 | 2002-05-16 | Baldwin Grafotec Gmbh | Method and appliance for cleaning printer cylinders involve cylinder-pit, wash-cloth moved forward to touch outer cylinder surface |
| DE10127442A1 (en) * | 2001-06-07 | 2002-12-12 | Baldwin Germany Gmbh | Printing press cylinder cleaning device |
| DE10327888A1 (en) * | 2003-06-20 | 2005-01-05 | Baldwin Germany Gmbh | Sheet-fed press washing device and control device therefor |
| DE102008020393A1 (en) | 2008-04-23 | 2009-10-29 | Baldwin Germany Gmbh | Printing cylinder cleaning device for printing machine, particularly offset printing machine, has support, and elongated pressing element which is arranged at support behind transport route of cleaning cloth transverse to transport route |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4344361A (en) * | 1979-04-19 | 1982-08-17 | Baldwin-Gegenheimer Corporation | Automatic blanket cylinder cleaner |
| DE3789975T2 (en) * | 1986-08-02 | 1994-09-08 | Dainippon Printing Co Ltd | Cleaning system for a printing machine. |
| DE4216243C2 (en) * | 1992-05-16 | 1995-10-12 | Kotterer Grafotec | Device for cleaning a cylinder |
| DE19508569B4 (en) * | 1994-04-26 | 2006-04-06 | Heidelberger Druckmaschinen Ag | Method for washing the surface of a blanket cylinder of offset rotary printing machines |
| DE4443356C2 (en) * | 1994-12-06 | 1998-07-02 | Roland Man Druckmasch | Process for cleaning a cylinder of a rotary printing press |
| DE19611126A1 (en) * | 1996-03-21 | 1997-09-25 | Heidelberger Druckmasch Ag | Cleaning device on rotary printing machines |
-
1999
- 1999-05-03 DE DE19920228A patent/DE19920228A1/en not_active Withdrawn
-
2000
- 2000-03-29 EP EP00106655A patent/EP1050408B1/en not_active Expired - Lifetime
- 2000-03-29 DE DE50000579T patent/DE50000579D1/en not_active Expired - Fee Related
- 2000-04-20 JP JP2000119309A patent/JP2000343683A/en active Pending
- 2000-04-28 CN CN00108121A patent/CN1272427A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102233716A (en) * | 2010-03-29 | 2011-11-09 | 海德堡印刷机械股份公司 | Rotary printing device with printing form cylinder and transfer cylinder |
| CN103257556A (en) * | 2012-02-17 | 2013-08-21 | 富士施乐株式会社 | Image forming apparatus |
| CN103257556B (en) * | 2012-02-17 | 2017-04-12 | 富士施乐株式会社 | Image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50000579D1 (en) | 2002-11-07 |
| EP1050408B1 (en) | 2002-10-02 |
| DE19920228A1 (en) | 2000-11-09 |
| JP2000343683A (en) | 2000-12-12 |
| EP1050408A1 (en) | 2000-11-08 |
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| AD01 | Patent right deemed abandoned | ||
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