WO2012159628A1 - Drucksystem - Google Patents
Drucksystem Download PDFInfo
- Publication number
- WO2012159628A1 WO2012159628A1 PCT/DE2012/200033 DE2012200033W WO2012159628A1 WO 2012159628 A1 WO2012159628 A1 WO 2012159628A1 DE 2012200033 W DE2012200033 W DE 2012200033W WO 2012159628 A1 WO2012159628 A1 WO 2012159628A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- printing
- unit
- printing system
- conveyor
- positioning
- 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.)
- Ceased
Links
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
- B41J11/02—Platens
- B41J11/06—Flat page-size platens or smaller flat platens having a greater size than line-size platens
-
- 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
- B41J11/0015—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 for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
-
- 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
- B41J11/20—Platen adjustments for varying the strength of impression, for a varying number of papers, for wear or for alignment, or for print gap adjustment
-
- 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
- B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
- B41J3/543—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements with multiple inkjet print heads
Definitions
- the invention relates to a printing system with a printing unit and a table for positioning an object to be printed relative to the printing unit in a printing position.
- Printing systems of the type mentioned are known from practice and exist in a variety of embodiments.
- such printing systems have a printing unit with which an object to be printed, for example a sheet of paper, can be printed in the desired manner.
- the object is brought into a printing position in a suitable manner, for which purpose a table is used for positioning the object relative to the printing unit.
- a table is used for positioning the object relative to the printing unit.
- an object to be printed is simply placed on the table in a suitable and aligned to the printing unit position.
- the color white is often applied to a substrate to be printed as a substrate. Subsequently, after drying the color white, a desired colored ink is applied in the same printing unit to produce the desired print.
- a white background color is usually required for all colored substrates that are not white as a basis for the application of paint.
- the present invention is therefore based on the object, a printing system of the type mentioned in such a way and further, that a fast and inexpensive printing of larger numbers of objects and economical use of the printing system in a structurally simple way are possible.
- the above object is achieved by a printing system having the features of claim 1.
- the printing system is characterized by a conveyor for the table for predetermined movement of the table to the printing unit and away from the printing unit.
- the printing system is equipped in a further inventive manner with a conveyor for the table, with the table in a predeterminable manner to the printing unit and away from the printing unit is movable.
- the tables can be moved in a suitable manner via the conveyor so that the second object to be printed is removed from the printing unit and the first to be printed Object is returned to the print position.
- An elaborate repositioning of the object to be printed relative to the table is thereby avoided and the use of the printing unit is optimized without Trocknungswarte Economics.
- the term printing unit in the manner used here is generally an inking unit which can be designed, for example, as a digital printer such as, for example, an ink jet printer or as an airbrush system. Only for the sake of simplicity, the general term printing unit is used here.
- the printing system could have one or more drying units and / or one or more stations for applying a paint and / or one or more further printing units.
- two downstream printing units could be realized with an intervening drying unit.
- These components could be arranged in the sense of a process chain with a conveyor for the table connecting the components.
- the color white could be applied as a substrate to the object.
- the table could be moved with the object positioned thereon by means of the conveyor in the drying unit, so that the first printing unit has become virtually free again and another object can be provided with the color white, while the first object dries in the drying unit.
- the first printing unit is thus not blocked by the drying first object.
- the table could be moved by means of the conveyor to the second printing unit, so that a desired color print can be applied there.
- the second object to be printed from the first printing unit could be used in the drying unit, so that the first printing unit could already be used for a third object to be printed. In this way, successive printing of objects can take place without drying waiting times in the printing units.
- the printing system according to the invention can be constructed with a plurality of similar components in the form of drying units, printing units and stations for applying a paint with, for example, an airbrush technology.
- the conveyor for the predetermined movement of the table between the printing unit or the printing units, the drying unit or the drying units and the station or the stations for applying a paint.
- the conveying device could have at least one conveyor belt and / or at least one guide, preferably rail guide, for the table.
- a table to be moved could be placed or laid on a horizontally extending conveyor belt in a suitable manner to ensure a secure contact between the table and conveyor belt.
- the table could have on its underside one or more runners for resting on such a conveyor belt or on such conveyor belts during the conveying movement. Such runners could also serve to move the table in a guide.
- the table could be movable at predefinable positions in the printing system in the vertical direction, such a vertical movement preferably being able to take place by means of a transport belt which can be moved or raised and lowered in the vertical direction.
- the vertical mobility allows a particularly secure and flexible positioning of the table.
- a lowering of the table and thus also of the conveyor belt or conveyor belts has the additional purpose that the runners of the table or the table are mechanically decoupled from the conveyor belt or the conveyor belts during the printing process. It is very important that the table maintains an exact height and positioning relative to the printing unit in all places. The conveyor belts could be disturbing.
- the clamping unit could comprise receptacles for at least two positioning pins projecting from a lower side of the table, wherein preferably a clamping element for a positioning pin could be arranged in at least one receptacle. By vertically lowering the table, the positioning pins could reach the receptacles of the clamping unit in order to achieve a secure positioning of the table.
- the table Before advancing the table, for example to a drying unit or further printing unit, the table could be raised in the vertical direction to move the positioning pins out of the seats. In this raised position, the table could then by means of the conveyor - relative to the clamping unit - are moved freely.
- the optional clamping elements By means of the optional clamping elements, a particularly secure engagement between the clamping unit and the table could be realized, so that a particularly high positioning accuracy can be achieved in a predefinable clamping state.
- the receptacle for the other positioning pin could be designed so far that an at least slight pivotability of the table is realized.
- the one or the first positioning pin takes over the definition of the pivot axis.
- the clamping unit could be mounted on an axle or guide.
- Such an axle in the form of, for example, a rail or a carrier could be accurately aligned relative to a printing unit during assembly of the printing system, so that a tensioning unit suitably mounted on this axis or guide is also suitably relative to a printing unit is positioned.
- the conveyor could have a preferably programmable control device in the form of, for example, a computer control.
- a control device could be the clamping of the table relative to the clamping unit, lifting and Lowering the table or conveyor belt and cause a suitable movement of the table between the components of the printing system.
- the positioning accuracy of the table is at a movement of one component to another component of the printing system according to the invention about 2/100 to 3/100 mm.
- Fig. 1 shows in a perspective view an embodiment of a printing system according to the invention, wherein the printing system here has two printing units 1 and a table 2 for positioning an object to be printed relative to the printing unit 1 in a printing position.
- the printing system by a conveyor 4 for the table 2 for the predetermined movement of the table 2 to the printing unit 1 and from the printing unit. 1 marked off.
- An object to be printed is placed on the table 2.
- the table is basically firmly coupled to the printing system. That is, the object to be printed must be removed from the table after a printing operation, so that it can be fed to a subsequent process in the form of, for example, a protective coating or drying.
- the object to be printed remains firmly connected to the table 2 or placed on the table 2 during the entire manufacturing process.
- the table 2 can then be guided by means of the conveyor 4 from one process station to the next process station, for example, from the printing unit 1 shown in Fig. 1 in the right area to a drying unit 5.
- a drying unit 5 By this method, it is possible to the object always extremely precise positioning of each station. This is important because in many cases there may be no offset in the print image.
- An object with a dark surface - such as a black plastic plate - is to be digitally printed.
- a white area must first be applied.
- the color image to be applied later has to be generated absolutely congruent with the white area.
- the conveyor 4 can be equipped by means of a programmable controller, for example via a computer, so that a quasi-fully automatic table movement can take place from station to station or from process to process. If, for example, an object in the first printing unit 1 -right part of FIG. 1 -is initially provided with a white paint application, for example via an airbrush system, then the table 2 can be moved further to the drying unit 5 by means of the conveyor 4, then the printing unit 1 is free for further use. For example, another object could be provided with white paint in the printing unit 1 immediately. Subsequently, the table 2 can be moved from the drying unit 5 into the further printing unit 1 shown on the left in FIG. 1 for a paint application.
- a programmable controller for example via a computer
- the drying unit 5 is free again and the above-mentioned second object can be spent in the drying unit 5 by means of his table 2.
- the first object could be supplied with its table 2, for example, a station for example, a protective coating.
- a drying unit could be started again. Consequently, a successive processing of objects can be carried out from station to station without, for example, a printing unit 1 being blocked during the drying of an object by this drying process.
- printing unit is used here in a very general form and insofar as a generic term applies to, for example, digital printers, for example inkjet printers, or airbrush systems.
- the table 2 is exactly movable in a guide 6 of the conveyor 4 and is exactly fixed to predetermined positions in the printing system, for example in a printing position by means of a clamping unit 7.
- the guide 6 forms a precise axis 14 for the positioning of the clamping unit 7 and the table 2.
- FIG. 2 and 3 show in a side view, in a rear view and in a perspective view each enlarged a table 2 according to the embodiment shown in Fig. 1.
- an object 3 to be printed can be applied or fixed.
- On the underside of the table 2 protrude two positioning pins 8, which can engage with the clamping unit 7 in engagement.
- 2 feet 9 are provided for further positioning and / or support of the table 2 on the underside of the table.
- two runners 10 are formed, which serve as a support on the conveyor 4.
- FIGS. 4 and 5 show, in a perspective view and in a side view, enlarged, a clamping unit 7 of the exemplary embodiment from FIG. 1.
- the clamping unit 7 has receptacles 1 1 for the positioning pins 8 of the table 2.
- a clamping element 12 for a positioning pin 8 is formed in at least one receptacle 1 1.
- the clamping unit 7 are assigned on its underside screws 13 for coupling to the guide 6 or axis 14.
- the clamping unit 7 also recesses 16.
- Fig. 6 shows in a perspective view a part of a conveyor 4, on which a clamping unit 7 is arranged. Specifically, the clamping unit 7 is accurately positioned on an axis 14. The axis 14 is further adjusted exactly to the printing units 1, so that over the axis 14, an exact positioning of the clamping unit 7 and thus of the table 2 can be done relative to the printing unit 1.
- conveyor belts 15 of the conveyor 4 can be seen, by means of which the table 2 can be moved relative to the components of the printing system, for example relative to a printing unit 1.
- the runners 10 serve the table.
- the table 2 is in a vertically raised position.
- the table 2 is lowered onto or into the clamping unit 7.
- the positioning pins 8 engage in the receptacles 1 1 for fixing them and a clamping of the table 2 relative to the clamping unit 7 can take place.
- Several tables 2 can be moved by conveyor belts 15 from station to station. Selected conveyor belts 15 can also be moved vertically. This makes it possible to raise or lower a table 2. If a high positioning accuracy is required, such as in the printing units 1, a table 2 is lowered into a clamping unit 7 after transport to the station. This clamping unit 7 detects the table 2 and brings it into a precise Position, for example printing position. The positioning itself takes place via two positioning pins 8, which are mounted on the table 2. These are detected during clamping of the clamping unit 7 and pressed into the exact position. The clamping unit 7 is mounted on a very precise linear axis or axis 14.
- This axis 14 guides the table 2 during a printing operation. After a printing operation, the table 2 is released again and lifted by the conveyor belts 15. Now the table 2 can be transported to another station. If no accuracy is required in a station, for example in a drying unit 5, vertical movement and clamping are not required.
Landscapes
- Screen Printers (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112012002210.6T DE112012002210A5 (de) | 2011-05-23 | 2012-05-16 | Drucksystem |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011102949 | 2011-05-23 | ||
| DE102011102949.8 | 2011-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012159628A1 true WO2012159628A1 (de) | 2012-11-29 |
Family
ID=46582492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2012/200033 Ceased WO2012159628A1 (de) | 2011-05-23 | 2012-05-16 | Drucksystem |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE112012002210A5 (de) |
| WO (1) | WO2012159628A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2518423A (en) * | 2013-09-23 | 2015-03-25 | Gew Ec Ltd | UV ink curing apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001049504A1 (en) * | 1999-12-29 | 2001-07-12 | Yetek Co. Ltd. | An ink-jet printer for digital textiling |
| EP1223047A2 (de) * | 2001-01-11 | 2002-07-17 | Seiko Epson Corporation | Verfahren und Vorrichtung zur Bildherstellung auf eine Karte |
| EP1520716A1 (de) * | 2003-09-30 | 2005-04-06 | Brother Kogyo Kabushiki Kaisha | Tintenstrahldrucker |
| WO2005076730A2 (en) * | 2004-02-12 | 2005-08-25 | Kornit Digital Ltd. | A digital printing apparatus |
| WO2006128860A1 (en) * | 2005-05-30 | 2006-12-07 | Agfa Graphics Nv | Printing system with printing table releasably clamped to printing unit. |
| GB2457098A (en) * | 2008-02-04 | 2009-08-05 | Inca Digital Printers Ltd | Flatbed printer having two substrate support tables |
| EP2106916A1 (de) * | 2008-03-31 | 2009-10-07 | Dainippon Screen Mfg., Co., Ltd. | Bildaufzeichnungsvorrichtung |
-
2012
- 2012-05-16 WO PCT/DE2012/200033 patent/WO2012159628A1/de not_active Ceased
- 2012-05-16 DE DE112012002210.6T patent/DE112012002210A5/de not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001049504A1 (en) * | 1999-12-29 | 2001-07-12 | Yetek Co. Ltd. | An ink-jet printer for digital textiling |
| EP1223047A2 (de) * | 2001-01-11 | 2002-07-17 | Seiko Epson Corporation | Verfahren und Vorrichtung zur Bildherstellung auf eine Karte |
| EP1520716A1 (de) * | 2003-09-30 | 2005-04-06 | Brother Kogyo Kabushiki Kaisha | Tintenstrahldrucker |
| WO2005076730A2 (en) * | 2004-02-12 | 2005-08-25 | Kornit Digital Ltd. | A digital printing apparatus |
| WO2006128860A1 (en) * | 2005-05-30 | 2006-12-07 | Agfa Graphics Nv | Printing system with printing table releasably clamped to printing unit. |
| GB2457098A (en) * | 2008-02-04 | 2009-08-05 | Inca Digital Printers Ltd | Flatbed printer having two substrate support tables |
| EP2106916A1 (de) * | 2008-03-31 | 2009-10-07 | Dainippon Screen Mfg., Co., Ltd. | Bildaufzeichnungsvorrichtung |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2518423A (en) * | 2013-09-23 | 2015-03-25 | Gew Ec Ltd | UV ink curing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112012002210A5 (de) | 2014-07-24 |
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