CN106042697A - Method for printing a printed image on an object - Google Patents
Method for printing a printed image on an object Download PDFInfo
- Publication number
- CN106042697A CN106042697A CN201610237162.6A CN201610237162A CN106042697A CN 106042697 A CN106042697 A CN 106042697A CN 201610237162 A CN201610237162 A CN 201610237162A CN 106042697 A CN106042697 A CN 106042697A
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- CN
- China
- Prior art keywords
- printing
- label
- reference information
- equipment
- case
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0023—Digital printing methods characterised by the inks used
-
- 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
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ink Jet (AREA)
- Labeling Devices (AREA)
Abstract
The present invention relates to a method for printing a printed image on an object, such as a vehicle body. An ink-jet printing apparatus (2) having at least one ink-jet printing head (5) is used, and the ink-jet printing apparatus is controlled by the data of the printed image (11). The method comprises following steps; printing a first region of the printed image (11):installing at least two self-adhesive labels(8,8a,8b) on the object (1); the label (9) is printed with reference information (8, 8a, 8b), preferably by means of said print head (5);the printing apparatus (2) is reset and roughly positioned and/or roughly orientated; the reference information (8, 8a, 8b) is detected, preferably by means of a camera (7); the printing apparatus (2), the printing head (5) and the printed image (11)and/or data are fine positioned and/or fine orientated by means of the reference information (8, 8a, 8b); and printing a second region (11b) of the printed image.
Description
Technical field
The present invention relates to a kind of have feature described in claim 1 preamble, for stamping printing image to object
Method and a kind of method with feature described in claim 10.
Background technology
There is the large object on big and visible surface and be provided for stamping advertisement or like this.But,
In the case of various, printing equipment for the purpose can not detect whole object in the case of not resetting.Correspondingly,
The most suitably method must include the step reset.The document of the prior art hereinafter mentioned illustrates
The solution of known technology on this field.
DE102009004878A1 illustrates a kind of for carrying out airframe by machine in multiple adjacent tracks
The equipment of the ink jet printing that people guides.Labelling nozzle by means of coating component applies index liquid.Described here, mark
Ji Hen road is as guiding trace road to use, for coating the follow-up guiding of component.It also is able to dispose single point to replace trace road.
Also a kind of possible UV radiation is mentioned.Not describing, this equipment is adsorbed onto on fuselage, but describes used equipment and borrow
Help wheel surface is contacted.
EP 2 641 661 A1 discloses a kind of equipment for printing airframe.This printing equipment must be at fuselage
Upper replacement.The geometry of fuselage and the position of equipment can be detected by specific video camera machinery.Can use
Labelling on fuselage, in order to guarantee necessary alignment.It also is able to use label surrogate markers.Also aspirator is mentioned.
DE102009021608A1 also discloses that similar and for detecting the Laser Measuring of the geometry on surface to be printed
Amount head.EP 2 799 150 also discloses that similar device.
US2014/0071217A1 illustrates a kind of equipment for printing wall, this equipment can with hands or from
Dynamic ground resets on wall.This equipment has the print head of belt sensor.This sensor detects rib printed before resetting
Limit or the reference marker being fixed on wall.Describe the aspirator for securing the equipment on wall.Also illustrate on wall
Register mark.
DE10390349B4 discloses a kind of equipment being similarly used for and printing wall, and it has absorption machinery dress
Put, for equipment is adsorbed onto wall.There is described herein and be provided with labelling.Also illustrate the storage box being provided with this locality.
Summary of the invention
The task of the present invention is, proposes a kind of method improved in terms of existing technologies, and the method is capable of
Even if in the case of needing to reset the printing equipment used, an object, such as (land, sky also can be printed accurately
In or waterborne) means of transport fuselage or wall, and, here, multiple regions of printing image are printed with alignment with being consistent
Brush.Additionally, for user, the enforcement of the method should be designed simply.
This task is solved by two kinds of methods with feature described in claim 1 or 10.
According to the present invention for the method stamping printing image to object, wherein, use has at least one ink jet printing
The ink-jet printing apparatus of head, described ink-jet printing apparatus is controlled by the data of printing image, the method is characterized in that
Following steps: print the first area of described printing image;By at least two label placement on described object;To described label
Stamp reference information;Described printing equipment is reset and coarse localization and/or rough orientation;Detect described reference information;Make
In the case of described reference information, described printing equipment, described print head, described printing image and/or described data are carried out
Finely position and/or finely orient;Print the second area of described printing image.
The method according to the invention be capable of in an advantageous manner movably however simply and precisely and especially with
Alignment stamps large-sized print image to large object with being consistent, and wherein, " movably " is it is meant that printing equipment is relative to right
As (based on object size or picture size) moves or resets.Object/image has a size that ratio relative to printing equipment
Example so that the printing equipment being placed on object is merely capable of arriving a part for subject surface.
According to the present invention, first, object applies label, and, stamp reference information then to described label.?
This, it is preferred that the equipment used to implement the method that is applied through of label automatically realizes.
This printing is preferably carried out by ink jet printing head, and described ink jet printing head is also used for printing the printing of image.Substitute
Ground, it is also possible to arranging the printing for label of the single printing equipment, this single printing equipment is preferably placed in implement
Described method and on the equipment that uses.Even if in this way it is ensured that for printing image desired by printing quality
For apply label not accurate enoughly in the case of, it is also possible on object, position arranges reference information accurately.Additionally, with this
Mode, it is known that reference information is relative to printing equipment and then also relative to printing image or printing the most fixed of image first area
Position.Preferably, described information application when fine location subsequently and/or fine orientation.
Described object can be large-area, such as aircraft, ship or oversize vehicle or the fuselage of its trailer, building
Outer wall or advertising plane.The curvature that face to be printed can have such as on one or two direction in spaces.Also can in ground
Enough as object, such as indoor floor.
Described printing image can be image, pattern, mark, text, COLOR COMPOSITION THROUGH DISTRIBUTION or pigment face or lacquer painting.Preferably
Ground, is changed into mesh by printing image.Preferably, printing image is colored.Can be set forth in as an example on the fuselage of aircraft
The mark of airline.According to the present invention, printing image is divided at least two region.These regions are mutually linked.Print
It can be such as checkerboard type or honeycomb fashion that map brushing picture is divided into this division in region.
Preferably, printing equipment has framework or similar structure.Preferably, framework is disposed with movable horizontal stroke
Bar.Preferably, print head is movably arranged on cross bar.Print head can be realized in this way at two discrete direction X
With motion (such as on the longitudinal direction and circumferential direction of fuselage) on Y.Preferably, printing image is decomposed into be printed in advance
The row (the most in the Y direction) of brush.Additionally, it is also possible to be provided with and be disposed with movingly accordingly: exsiccator (hot-air
Or infrared ray);Or, UV hardening unit, such as LED unit, for solidifying (pre-hardening) in the case of using UV ink
And/or hardening.UV radioprotector can also be set, such as surround whole equipment, by protecting that lucite is made
Cover.
Preferably, printing equipment is placed on object by three or more suction keepers.Therefore avoid
Between printing equipment and object, be parallel to the relative motion on surface to be printed.Suction keeper is rough fixed carried out
Activate after position and/or rough orientation and inactivated before resetting printing equipment.Suction keeper can be arranged movingly
On printing equipment such that it is able to calibrate to the pitch difference of subject surface, in other words, thus set printing equipment in Z-direction
The spacing of upper (such as fuselage is in the radial direction) and the gradient setting printing equipment reference object surface.It also is able to substitute
Ground uses magnetic keeper.By absorption it can be avoided that printing equipment is relative to undesirable vibration of object.
Printing equipment can have a print head (the most only black) or multiple, especially four (four-color processes
Or up to seven (CMYK plus priming, spot color and varnish) print heads CMYK).Preferably, these print heads can be relative
In adjusting each other, such as in order to set version (Passer).Print head can also be respectively provided with baffle plate (so-called shield,
Shutter), to prevent ink from becoming dry or hardening.Preferably, the ink-jet feedway attached troops to a unit have be adjacent to print head location
Storage box and short hose transition.
Label can be self-adhering type.Described label can be made up of paper or plastic foil.It is right that described label can be placed in
Within upper following region: this region is printed equipment and surrounds and then can print.Described label also is able to be placed in above-mentioned district
Beyond territory, such as with some centimetres or decimeter spacing adjacent thereto.Preferably, described label has and can print by ink
The surface of brush.As described ink, it is preferred to use following ink: also produce printing image by this ink.For realizing height
Print contrast and good detectivity, it is preferable that described label has the bright or surface of white.For realized
Detectivity, described label can also have fluorescent characteristic.Preferably, described label can move the most again from object
Open.
For the regional of printing image, preferably two labels are applied on positions different on object.?
This, the most so select these positions so that described label can be detected after resetting printing equipment.
The improvement project of the present invention can be arranged, and in the case of using at least one label applicator, is applied by label
On object, wherein, single or multiple label applicator is arranged on printing equipment.Described label applicator can be immovable
Be arranged on printing equipment, thus label is always arranged on object relative on printing equipment same position.But preferably
Ground, is movably arranged in label applicator on printing equipment, thus label is on object and relative to the position of printing equipment
Put and can be changed.Therefore, it can (the most not disturb printing image by favourable on object for label placement targetedly
) on position.
A modification of the present invention scheme can be arranged, and stamps register mark at least one label in described label,
As reference information.Described register mark may be configured to the pattern detected well, such as X-type or chessboard
The pattern of formula.Described register mark can also include positional information, for being marked on object and/or relative to institute on object
The printing image of planning carries out coarse localization.
Can also be additionally provided in, will there is bar code of the one-dimensional of out of Memory or two dimension or the like printing
On label, such as to tag number or printing image be associated with label (i.e. include label position or therewith
Linking) region encodes.
A modification of the present invention scheme can be arranged, and stamps printing image at least one label in described label
One section is as reference information.Preferably, (or multiple) section used as reference information of printing image is printing
Before selected in printing image.Because label removes the most again from object, the most so select so that printing
Deleted areas in image does not interferes.The register mark also being able to will not cause on the position of interference is integrated into printing image
In.
A modification of the present invention scheme can be arranged, and is using the multiaxis machine with rotation axis and/or linear axis
In the case of device people, described replacement is realized by robot with guiding.Alternatively, described replacement can also be with hands or by means of rising
Heavy-duty machine realizes.It also is able in the case of using four or more suction keepers: single suction keeper is unclamped
And reset, and, make printing equipment travel forward at this.
A modification of the present invention scheme can be arranged, and is using the multiaxis machine with rotation axis and/or linear axis
Coarse localization and/or rough orientation is realized in the case of device people.
A modification of the present invention scheme can be arranged, real in the case of using at least one sensor or video camera
Detection referring now to information.Preferably, sensor or video camera work in visual range.Preferably, sensor or take the photograph
Camera is movably arranged on printing equipment, is such as arranged on above-mentioned cross bar such that it is able to of detection subject surface
Divide and detect the label disposed in this place.Described detection provides at the position letter of following two labels (or reference information)
Breath, said two label (or reference information) is associated with printing region image, printed before resetting.Obtained using
Positional information in the case of, printing image current region printing can seamless unoccupied place realize and can be with reference in advance
Printed good region correctly positions and orients.To this end, according to the present invention, finely position and/or finely orient by reality
Execute.
A modification of the present invention scheme can be arranged, and is using the multiaxis machine with rotation axis and/or linear axis
Realize the fine location of printing equipment in the case of device people and/or finely orient.
A modification of the present invention scheme can be arranged, in the situation using the sports equipment being arranged on printing equipment
Under, such as using in the case of the above-mentioned cross bar with print head X-Y motion probability, the fine location of print head and/or
Fine orientation realizes with reference to traveling (Referenzierungsfahrt) as on the region of object.Can also arrange, except
Outside X-Y motion, make print head axis oscillating in Z-direction, in order to the nozzle rows at print head can be regulated and print with formal
Angle between direction, or, so as to print in the seamed edge of object.
Alternatively, it is also possible to printing image or data are finely positioned and/or finely orient.To this end, data quilt
Control unit sequentially transferring to print head with respective change.
Subject surface can be measured in advance, such as, and can be along the situation of the ultrasound wave measuring head of apparent motion using
Under, measured by distance measurement.Once measured actual surface deviates from stored nominal sheet (such as CAD number
According to), then measurement data can be used to calculate the inevitable distortion of printing image.Measured value can also be used to be used for
Spacing correction is carried out during printing.Alternatively, described measurement can also be carried out the most before printing, and its mode is, print head
Follow measurement head.
The method according to the invention can repeatedly be implemented, i.e. prints out printing image by resetting printing equipment
Such multiple region, until completing the complete printing image in subject surface.
The method being used for carrying out printing to subject surface according to the present invention is following method, wherein, not only prints image
Produce from the teeth outwards, and produce on the label that reference information is from the teeth outwards.
Accompanying drawing explanation
Hereinafter, in the example of specific embodiment and be described with reference to the present invention and its favourable changing
Enter scheme.Accompanying drawing illustrates:
The Fig. 1 three dimensional object when implementing the method according to the invention and the printing equipment being arranged on this three dimensional object
First view;With
The Fig. 2 three dimensional object when implementing the method according to the invention and the printing equipment being arranged on this three dimensional object
Second view.
Detailed description of the invention
Fig. 1 is shown in the three dimensional object 1 when implementing the method according to the invention and the printing being arranged on this three dimensional object
First view (from Z-direction) of equipment 2.It is not smooth but curved surface 1a that this object has.Can relate to such as
One section of airframe.
Printing equipment 2 includes framework 3 and the cross bar 4 that can move in X direction on this framework 3.Ink jet printing head 5 can be
It is arranged on this cross bar to motion in Y-direction.Print head (can also exist around the axis vertical relative to X-Y plane on the α of direction
In Z-direction) swing, in order to make nozzle rows 5a in printing movement (X and/or Y-direction) period relative to trace road orientation to be printed
(the most vertically oriented), or be not parallel to the trace road that framework and/or cross bar extend in order to print out, or in order to can be
Seamed edge prints.
Printing equipment is arranged on the surface 1a to be printed of object with three suction keepers 6.Suction keeper can be certainly
Operate dynamicly.Suction keeper is to the gap variable of framework 3 such that it is able to set framework relative to the orientation of object 1 or inclination.
Cross bar is disposed with two video cameras 7, is used for detecting register mark 8,8a and 8b.Described register mark by
It is printed on label 9 in print head 5.Using in the case of X-Y direction movable label applicator 10, by label placement
On the 1a of surface.The self-adhesive label that can be easily removed can be related to.In FIG, it can be seen that crisscrossing pattern on label.
This crisscrossing pattern constitutes reference information, for finely positioning and/or finely orient after resetting (Umsetzen).
Fig. 1 also shows that printing equipment 2a (dotted line, in the lower zone of accompanying drawing) after reset.When resetting, as
Shown ground, it is also possible to change the orientation angle position in other words of framework 3, such as in order to follow the curvature of subject surface.Described
Reset and so realize so that label 9 that is that before applied and that print is positioned in the observable region of video camera 7.
Detect label 8a and 8b that be that applied before resetting and that print, and, use at this letter obtained
Breath, for orienting the second area 11b of printing image 11 relative to first area 11a.
Cross bar 4 is also disposed with movable exsiccator 12, for the ink stamped is dried.
Printing equipment 2 such as moving along surface 1a during resetting automatically is realized by robotic arm 13.
Fig. 2 is shown in three dimensional object when implementing the method according to the invention and the printing being arranged on this three dimensional object sets
Standby the second view (from Y-direction).Reference is identical with Fig. 1.
Reference numerals list
1 object
1a surface
2 printing equipments
Printing equipment after 2a replacement
3 frameworks
4 cross bars
5 print heads
5a nozzle rows
6 suction keepers
7 sensors/video camera
8,8a, 8b register mark
9 labels
10 label applicators
11 printing images
The first/second region of 11a, 11b printing image
12 exsiccators
13 robots arms
X, Y, Z direction
α direction
Claims (10)
1. for the method stamping printing image to object, wherein, use has the spray of at least one ink jet printing head (5)
Ink print equipment (2), this ink-jet printing apparatus is controlled with the data of described printing image (11), and the method has following step
Rapid:
-print the first area (11a) of described printing image (11);
-at least two label (8,8a, 8b) is placed on described object (1);
-stamp reference information (8,8a, 8b) to described label (9);
-described printing equipment (2) is reset and coarse localization and/or rough orientation;
-detect described reference information (8,8a, 8b);
-in the case of using described reference information (8,8a, 8b), by described printing equipment (2), described print head (5), described
Printing image (11) and/or described data finely position and/or finely orient;With
-print the second area (11b) of described printing image (11).
The most in accordance with the method for claim 1, it is characterised in that in the situation using at least one label applicator (10)
Under, described label (9) is placed on described object (1), wherein, described label applicator (10) is placed in described printing equipment
(2) on.
3. according to the method described in claim 1 or 2, it is characterised in that stamp at least one label in described label (9)
Register mark (8,8a, 8b) is as reference information (8,8a, 8b).
4. according to the method described in claim 1 or 2, it is characterised in that stamp at least one label in described label (9)
One section of described printing image (1) is as reference information (8,8a, 8b).
5. according to the method described in any one of the preceding claims, it is characterised in that in use, there is rotation axis and/or line
In the case of the multi-axis robot (13) of property axis, described replacement is realized by robot with guiding.
6. according to the method described in any one of the preceding claims, it is characterised in that in use, there is rotation axis and/or line
In the case of the multi-axis robot (13) of property axis, it is achieved described coarse localization and/or rough orientation.
7. according to the method described in any one of the preceding claims, it is characterised in that use at least one sensor (7) or
In the case of person's video camera (7), it is achieved the detection of described reference information (8,8a, 8b).
8. according to the method described in any one of the preceding claims, it is characterised in that in use, there is rotation axis and/or line
Property axis multi-axis robot (13) in the case of, it is achieved the fine location of described printing equipment (2) and/or finely orient.
9. according to the method described in any one of the preceding claims, it is characterised in that be arranged in described printing equipment in use
(2) in the case of the sports equipment (4) on, it is achieved the fine of described print head (5) positions and/or finely orient.
10., for the method carrying out printing to the surface of object, wherein, described print head (5) is not only on described surface
(1a) upper produce described printing image (11,11a, 11b) and produce reference information on label (9) on described surface (1a)
(8,8a, 8b).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015206853.6 | 2015-04-16 | ||
DE102015206853 | 2015-04-16 |
Publications (2)
Publication Number | Publication Date |
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CN106042697A true CN106042697A (en) | 2016-10-26 |
CN106042697B CN106042697B (en) | 2020-08-11 |
Family
ID=57043592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610237162.6A Active CN106042697B (en) | 2015-04-16 | 2016-04-15 | Method for printing a printed image on an object |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN106042697B (en) |
DE (1) | DE102016204123A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109466189A (en) * | 2018-12-21 | 2019-03-15 | 昆山森特斯印刷技术有限公司 | Chromatography positioning device and chromatography positioning system with the chromatography positioning device |
CN110316599A (en) * | 2018-03-28 | 2019-10-11 | 海德堡印刷机械股份公司 | Method for printing and printing the page that post-processing is made of printable fabric |
CN110936731A (en) * | 2018-09-24 | 2020-03-31 | 波音公司 | Robotic printing system for aircraft exteriors |
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FR3061076B1 (en) * | 2016-12-27 | 2020-02-07 | Safran Nacelles | AUTOMATED MARKING PROCESS FOR THE MANUFACTURE OF A SANDWICH PANEL FOR AEROSTRUCTURE NACELLES |
US10226951B1 (en) * | 2017-11-14 | 2019-03-12 | Xerox Corporation | System and method for pivoting a printhead in a direct-to-object printer during printing of an object |
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CN110316599A (en) * | 2018-03-28 | 2019-10-11 | 海德堡印刷机械股份公司 | Method for printing and printing the page that post-processing is made of printable fabric |
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Also Published As
Publication number | Publication date |
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DE102016204123A1 (en) | 2016-10-20 |
CN106042697B (en) | 2020-08-11 |
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