CN1868756A - Flat-bed printing machine - Google Patents
Flat-bed printing machine Download PDFInfo
- Publication number
- CN1868756A CN1868756A CNA2006100899107A CN200610089910A CN1868756A CN 1868756 A CN1868756 A CN 1868756A CN A2006100899107 A CNA2006100899107 A CN A2006100899107A CN 200610089910 A CN200610089910 A CN 200610089910A CN 1868756 A CN1868756 A CN 1868756A
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- print station
- rail
- pressure hole
- compress
- 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
- 238000007639 printing Methods 0.000 title abstract description 15
- 230000035611 feeding Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0085—Using suction for maintaining printing material flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0005—Curl smoothing, i.e. smoothing down corrugated printing material, e.g. by pressing means acting on wrinkled printing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/28—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing downwardly on flat surfaces, e.g. of books, drawings, boxes, envelopes, e.g. flat-bed ink-jet printers
Landscapes
- Handling Of Sheets (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Ink Jet (AREA)
- Dot-Matrix Printers And Others (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The invention relates to a lithographic printing press having a printing table and a pressure device for printing media, wherein the pressure device has guide rails which are arranged parallel to and on both sides of the printing table and by means of which a pressure rail which can be moved on the printing table is guided. Such as for digital inkjet lithographic printing applications.
Description
The present invention relates to a kind of lithographic press with a print station.
Especially in the digital printing machine, high requirement has been proposed for the flatness of print station and the medium that will print.Why like this this is, is because for example must make this ink gun distance guiding with a constant about 1mm on the medium that will print when using ink gun.For known printing machine, in print station, be provided with negative pressure hole, avoid in medium to be printed, forming ripple so that make printed medium be drawn onto on the print station surface and therefore.
Should propose a kind of lithographic press by the present invention, wherein can guarantee to make the full surface of printed medium to be placed on the print station.
Designed a kind of lithographic press that a print station and are used to wait print the hold down gag of medium that has according to the present invention for this reason, wherein hold down gag has the guide rail that is parallel to and is arranged in the print station both sides, by this guide rail a rail that compresses that can move on print station is led.
Can make medium to be printed by means of compress rail pressure to print station and the air that may be present between medium to be printed and the print station surface is extruded when compressing waiting to print between medium and the print station when rail moves on print station by being provided with a kind of such hold down gag.Especially with a kind of medium to be printed is inhaled to pressing the method for brushing platform to combine so abutting on the print station with just can guaranteeing medium whole plane to be printed.
Compress in improvement project of the present invention that rail is provided with a brush or a roller is used for compressing printed medium.
No matter be or roller can make media implementation to be printed a kind of floating reliably by means of brush.The kind of medium to be printed, for example paper or film may be conclusive for selecting roller or brush.If a kind of roller is its roll-in and independent roller driving mechanism needn't be set passively so.
In improvement project of the present invention, can drop on the print station and and lift compressing rail from this print station by means of lowering or hoisting gear.
Can automatically floating medium to be printed by these measures, and guaranteed in addition: with respect to the appearance and size of print station, whole print station was smeared during less paper in printing.Lowering or hoisting gear for example has swing arm, and they are by means of the cylinder motion that hoists.
Print station is provided with the negative pressure hole of a plurality of feedings in the print station surface in improvement project of the present invention.
Such negative pressure hole for example can and pass print station perpendicular to print station.The negative pressure of connecting on negative pressure hole then is used for reliably medium to be printed being fixed at printing process.By means of just making that according to hold down gag of the present invention the presumable ripple of printed medium is floating.
In improvement project of the present invention, be provided with and can control the instrument that is used for negative pressure is connected negative pressure hole, therefore negative pressure is switched on the negative pressure hole within a time interval, in this time interval, compress rail by this negative pressure hole.
Make the floating much easier of medium to be printed in this way,, negative pressure is switched on the negative pressure hole because just when compressing rail and just passed through negative pressure hole.Have only after the compacted rail in corresponding position passes through and be floating, its result just makes medium to be printed inhale to the print station surface.Therefore be not to be enclosed in extruding of air between medium to be printed and the print station surface by having stoped the floating of the ripple that may occur in the medium to be printed by means of adhering to of negative pressure and having stoped simultaneously.As one man make by cooperatively interacting to compress the rail motion and to connect negative pressure, even when the thrust that compresses rail is comparatively speaking low, also guarantee so: might be present in ripple in the medium to be printed to compress rail just floating after moving on medium to be printed.
Negative pressure hole becomes to be parallel to the row that compress rail and is arranged on the print station in improvement project of the present invention, and wherein each connects negative pressure simultaneously by a row negative pressure hole or a position of being made up of a plurality of row that are merged into the position.
A kind of such mesh shape of negative pressure hole is arranged and is made its control easier.Compressing rail by after the row negative pressure hole, negative pressure still turns on this row negative pressure hole, even so that also can avoid medium to be printed to move on print station when rail continues motion when compressing.Even negative pressure also maintenance effect in printing process subsequently more aptly.
Visible claims of other features and advantages of the present invention and the explanation of doing for the preferred embodiment for the present invention below in conjunction with accompanying drawing.Accompanying drawing is depicted as:
Fig. 1: one of local expression have a print station and a hold down gag according to lithographic press of the present invention;
Fig. 2 a: side view of lithographic press shown in Figure 1;
Fig. 3: the enlarged drawing of the thin III of portion shown in Figure 2.
Fig. 1 is the perspective view of a lithographic press shown in the part.A print station 10 and a hold down gag 12 and a control module 14 in lithographic press, have only been represented.Be paper 16 on print station 10, it will print by means of offset printing.Paper 16 places on the print station 10 and by means of negative pressure and is maintained on the print station.In the print station surface, be provided with negative pressure hole 18 for this reason, on these holes, can connect negative pressure respectively.Even when on negative pressure hole 18, just making paper 16 suctions after the connection negative pressure it is maintained static to the print station surface of print station 10 and in printing.18 of negative pressure holes have been represented sub-fraction, and in fact except the left and right edges position, negative pressure hole 18 is distributed on the whole surface of print station 10.At this, 18 one-tenth row of negative pressure hole are arranged, so a kind of mesh shape of negative pressure hole 18 whole formation is arranged.The negative pressure that turns on the negative pressure hole 18 can make negative pressure also only connect selected negative pressure hole 18 by means of 20 generations of a pump-valve cell and by means of pump-valve cell 20.Just summary has been represented pump-valve cell 20 and in order to show in illustrated embodiment: single-row negative pressure hole 18 or can control individually by the position that the row of a plurality of merging are formed, therefore simply represented from print station 10 to pump-valve cell 20 many connecting lines.Pump-valve cell 20 can be controlled by means of control module 14, and this control module is also controlled the servo-actuating device 22 of compressing unit 12 simultaneously.
Compressing unit 12 has one and compresses rail 24, and it is stretched on the whole width of print station 10 and connects with a guiding trolley 26,28 respectively at its two ends.Guiding trolley 26 moves on guide rail 30, and guiding trolley 28 moves on guide rail 32, and its middle guide 30,32 is parallel to vertical limit of print station 10 and arranges.Can make along the motion of guide rail 30,32 by means of guiding trolley 26,28 and to compress rail 24 motions and cross print station 10.Guiding trolley 26,28 drives by means of odontoid belt 34,36 respectively, and described odontoid belt leads in the substrate of a unshowned lithographic press of lithographic press by means of the commutation roller.Article two, odontoid belt 34,36 and therefore two guiding trolleys 26,28 also all drive by means of a common axle 38, this extends beyond the width of print station 10 and drives by means of servomotor 22.
In the side view of Fig. 2, except having the hold down gag 12 that compresses rail 24 and print station 10, can also see: compress rail 24 and be provided with a brush 44, it is compressing under the state that rail 24 falls, when compressing rail 24, place above the paper 16 also therefore that paper is floating along guide rail 30,32 motions.In Fig. 2, also represented to compress the state that rail 24 lifts from print station 10.
Can also see a placement unit 46 among Fig. 2, it is caught the front of paper 16 and places it on the position to be printed of its regulation.Placement unit 46 moves on the longitudinal direction of lithographic press along unshowned guide for this reason.Print station 10 is fallen by placement unit 46 when transporting sheets and just for compaction process and printing process subsequently, moved to it again lifting on the position shown in Fig. 1 and Fig. 2.
In the enlarged drawing of the thin III of portion shown in Figure 3, can see hold down gag 12 more accurately.Compress rail 24 and be fixed on the swing arm 38,40, wherein in Fig. 3, can only see swing arm 40 at its two ends.Swing arm 38,40 can swingingly be arranged on the guiding trolley 26 or 28 of a cooperation respectively.Guiding trolley 26,28 is and for example described like that according to Fig. 1, can move along print station 10 guide rail 30 or 32 li.Swing arm 40,42 can be respectively moves to one and falls on the position from the position of lifting shown in Figure 3 by means of the pneumatic linear actuator 38 of a cooperation, wherein just is placed on the surface of print station 10 at this brush 44 on the position of falling.Only see a pneumatic linear actuator 48 in Fig. 3, it is arranged on the swing arm 40 on the one hand swingably, is arranged in swingably on the guiding trolley 26 on the other hand.Pneumatic linear actuator 38,48 is supplied with compressed air by means of supply chain 50.
After by means of placement unit 46 paper 16 being put into the position to be printed of print station 10, control module 14 just makes pneumatic linear actuator 38,48 activate, and the brush 44 that compresses on the rail 24 is dropped on the print station surface and therefore drop on the paper 16.Control module 14 is just controlled servo-actuating device 32 after brush 44 is fallen, and makes to compress rail 24 motion and cross print station 10.This moment, brush 44 was floating with paper 16, thereby paper is adhered on the print station surface entirely outwardly.Control module 14 makes pump-valve cell 20 activate when compressing rail 24 and cross print station 10 motion, thereby when making in the position of being made up of the multiple row negative pressure hole in other words when brush 44 is positioned at the position of corresponding negative pressure hole in, ability is connected negative pressure on negative pressure hole 18.Control module 14 is ad hoc by means of pump-valve cell 20 arows or according to the position control negative pressure hole of predesignating 18, and behind the negative pressure hole in that just just in time passed through respective column when brush 44 when print station 10 is crossed in its motion or the corresponding site, ability is connected negative pressure on the negative pressure hole 18 of respective column.After brush 44 had passed through the position of a row negative pressure hole 18 or a qualification, negative pressure still turned on these negative pressure holes 18.Therefore make negative pressure connect negative pressure hole 18 corresponding to compressing advancing of rail 24.
This has caused: just can easily floating paper 16 by means of brush 44 because paper also not by held in the negative pressure on the print station surface 10 also needing floating and position that do not smeared by brush 44 in.Make paper 16 reliable in the position of having smeared and maintain outwardly on print station surface 10 entirely conversely by brush 44 because in negative pressure in the position of having smeared to negative pressure hole 18.
By means of therefore can realize that paper 16 touch on print station surface 10 especially well comprehensively according to device of the present invention.This especially is significant when digital lithographic press, because ink gun spacing with a constant about 1mm on medium to be printed of digitizer tablet printing machine is led.
Claims (6)
1. the lithographic press that has print station (10), it is characterized in that being used for the hold down gag (12) of medium to be printed (16), wherein hold down gag (12) has the guide rail (30 that is parallel to and distributes in print station (10) both sides, 32), a rail (24) that compresses that can move on print station (10) is led by this guide rail.
2. by the described lithographic press of claim 1, it is characterized in that, compress that rail (24) is provided with a brush (44) or a roller is used to compress medium to be printed (16).
3. by claim 1 or 2 described lithographic presses, it is characterized in that, compress rail (24) and can drop to print station (10) by means of a lowering or hoisting gear and go up and can lift from this print station.
4. at least one described lithographic press in requiring according to aforesaid right is characterized in that print station (10) is provided with the negative pressure hole (18) of a plurality of feedings in the print station surface.
5. by at least one described lithographic press in the aforesaid right requirement, it is characterized in that, be provided with and can control and be used for negative pressure is connected instrument (20) on the negative pressure hole (18), make negative pressure turning within the time interval on the position that negative pressure hole (18) is gone up or the negative pressure hole (18) that got up by a plurality of merging is formed, in this position, compress rail (24) and pass through negative pressure hole (18).
6. by at least one described lithographic press in the aforesaid right requirement, it is characterized in that, negative pressure hole (18) is arranged on the print station (10) to be parallel to the row that compress rail (24), wherein has a row negative pressure hole (18) or a negative pressure hole that is got up by a plurality of merging to be listed as the position of being formed respectively and side by side connects negative pressure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05011314A EP1726442B1 (en) | 2005-05-25 | 2005-05-25 | Flat-bed printing machine |
| EP05011314.1 | 2005-05-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1868756A true CN1868756A (en) | 2006-11-29 |
| CN1868756B CN1868756B (en) | 2010-05-12 |
Family
ID=35005767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100899107A Expired - Fee Related CN1868756B (en) | 2005-05-25 | 2006-05-25 | Flatbed printing machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1726442B1 (en) |
| CN (1) | CN1868756B (en) |
| AT (1) | ATE396874T1 (en) |
| DE (1) | DE502005004270D1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092232A (en) * | 2010-12-29 | 2011-06-15 | 南安市贝斯泰石业有限公司 | Spray printer for large-area stone slabs |
| CN103754667A (en) * | 2013-11-18 | 2014-04-30 | 广东大族粤铭激光科技股份有限公司 | Flexible material feeding apparatus and material compression mechanism thereof |
| CN106004011A (en) * | 2016-05-16 | 2016-10-12 | 云南省通海正华印刷有限公司 | Monochromatic plate-pressing machine |
| CN107073976A (en) * | 2014-11-04 | 2017-08-18 | 爱克发印艺公司 | Big ink-jet plate platform |
| CN108602362A (en) * | 2016-03-18 | 2018-09-28 | 惠普发展公司有限责任合伙企业 | Retainer equipment for printer |
| CN110466239A (en) * | 2019-08-29 | 2019-11-19 | 嘉兴美联印刷有限公司 | A kind of offset print of printed on both sides |
| CN110525036A (en) * | 2019-08-20 | 2019-12-03 | 武汉鸿印社科技有限公司 | A kind of positioning device of lithographic press |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3318457B2 (en) * | 1994-12-26 | 2002-08-26 | アルプス電気株式会社 | Curl straightening device and printer having the same |
| US6742948B2 (en) * | 2001-10-22 | 2004-06-01 | Aprion Digital Ltd. | Apparatus for flattening a substrate and method thereof |
| CN2521044Y (en) * | 2002-01-25 | 2002-11-20 | 佛山市科菱数码图像设备有限公司 | Jet plotting platform guide edge pressing device |
-
2005
- 2005-05-25 AT AT05011314T patent/ATE396874T1/en not_active IP Right Cessation
- 2005-05-25 DE DE502005004270T patent/DE502005004270D1/en active Active
- 2005-05-25 EP EP05011314A patent/EP1726442B1/en not_active Not-in-force
-
2006
- 2006-05-25 CN CN2006100899107A patent/CN1868756B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092232A (en) * | 2010-12-29 | 2011-06-15 | 南安市贝斯泰石业有限公司 | Spray printer for large-area stone slabs |
| CN103754667A (en) * | 2013-11-18 | 2014-04-30 | 广东大族粤铭激光科技股份有限公司 | Flexible material feeding apparatus and material compression mechanism thereof |
| CN103754667B (en) * | 2013-11-18 | 2016-04-06 | 广东大族粤铭激光科技股份有限公司 | Flexible material apparatus for feeding and feeding pressure mechanism thereof |
| CN107073976A (en) * | 2014-11-04 | 2017-08-18 | 爱克发印艺公司 | Big ink-jet plate platform |
| CN107073976B (en) * | 2014-11-04 | 2019-07-26 | 爱克发有限公司 | Big ink-jet plate platform |
| CN108602362A (en) * | 2016-03-18 | 2018-09-28 | 惠普发展公司有限责任合伙企业 | Retainer equipment for printer |
| CN108602362B (en) * | 2016-03-18 | 2020-05-29 | 惠普发展公司有限责任合伙企业 | Holder device for printer |
| US10744801B2 (en) | 2016-03-18 | 2020-08-18 | Hewlett-Packard Development Company, L.P. | Holder device for a printer |
| CN106004011A (en) * | 2016-05-16 | 2016-10-12 | 云南省通海正华印刷有限公司 | Monochromatic plate-pressing machine |
| CN106004011B (en) * | 2016-05-16 | 2018-06-26 | 云南省通海正华印刷有限公司 | Monochromatic imprint lithography machine |
| CN110525036A (en) * | 2019-08-20 | 2019-12-03 | 武汉鸿印社科技有限公司 | A kind of positioning device of lithographic press |
| CN110466239A (en) * | 2019-08-29 | 2019-11-19 | 嘉兴美联印刷有限公司 | A kind of offset print of printed on both sides |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502005004270D1 (en) | 2008-07-10 |
| CN1868756B (en) | 2010-05-12 |
| EP1726442B1 (en) | 2008-05-28 |
| ATE396874T1 (en) | 2008-06-15 |
| EP1726442A1 (en) | 2006-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20080111 Address after: Belgian Mo Applicant after: Agfa Gevaert Address before: Taining root, Germany Applicant before: Thieme GmbH & Co. KG |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Belgian Mo Patentee after: Agfa Co. Ltd. Address before: Belgian Mo Patentee before: Agfa Gevaert |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20200525 |