CN104742494A - Screen making method of digital printing imitating flat screen - Google Patents
Screen making method of digital printing imitating flat screen Download PDFInfo
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- CN104742494A CN104742494A CN201510114890.3A CN201510114890A CN104742494A CN 104742494 A CN104742494 A CN 104742494A CN 201510114890 A CN201510114890 A CN 201510114890A CN 104742494 A CN104742494 A CN 104742494A
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Abstract
The invention relates to a screen making method of a digital printing imitating flat screen, and belongs to the technical of laser screen making, aiming at solving the problem of poor precision of laser screen making in the prior art. The screen making method of the digital printing imitating flat screen comprises the following steps: (1) carrying out color separating by virtue of a computer; (2) converting an image formed by color separating into a pixelated dot matrix set, wherein the dot matrix set is formed by combining a plurality of strip-shaped dot matrix sets which are fixed in width; (3) converting the processed dot matrix set image into a pulse signal, and conveying the pulse signal to a driver, wherein the driver can drive the opening and closing of a laser solid matter in a laser device; (4) stretching and prefabricating, and regulating the lens focus length of the laser so as to focus laser light on the flat screen; (5) starting a servo device on the stand, and driving the laser device to carry out laser dotting according to a preset dot set position; (6) developing and washing the flat screen obtained from laser screen making; and (7) trimming and banding the screen, and completing curing. The screen making method of the digital printing imitating flat screen disclosed by the invention has the advantages of high precision and high definition.
Description
Technical field
The invention belongs to making net by laser technical field, relate to a kind of making net by laser method, particularly a kind of driving steadily, the net making method of the imitative digit printing plain net that net precision processed is high.
Background technology
Dyeing is before carrying out textile printing, all will first net processed, traditional plain net mostly adopts photo-sensation net method to carry out net processed, in this way before system net, computer color splitting software is utilized first stamp flower pattern original copy to be carried out color separation by different colors, often kind of color after color separation forms different images, by the image transfer of the same color after color separation on black and white film; By water soluble photosensitive blade coating on plain net, low temperature drying in darkroom, again above-mentioned color separation black and white film to be coated on respectively on plain net (one throw the net a kind of color), utilize the plain net after the coated black and white film of ultraviolet strong illumination, the photoresists irradiated without image section on plain net on light therethrough color separation black and white film, light generation curing reaction met by sensitising agent in photoresists, namely expose, photoresists are made to become water insoluble, blocking mesh, this part will become the slurry blocking part in textile printing; And the black image portion on color separation black and white film is because stoping light therethrough, on plain net there is not sclerous reaction in the photoresists of this image section corresponding, namely unexposed; When plain net after exposure is put into water, unexposed photoresists are met the instant solution of water and are come off, and show online original mesh, namely develop, and this dissolving region that comes off becomes target flower pattern.The defect that traditional plain net production method exists is: net operation processed is many, and manufacturing speed is slow, and cumbersome, need with a large amount of films, consumptive material is high, can not adapt to keen competition situation day by day in the world.
In recent years, have developed wax spray, inkjet screen-making technology both at home and abroad, this technology eliminates the bag sheet process before film and exposure, but because wax spray, ink-jet all will use a lot of shower nozzle, and the injection diameter of shower nozzle minimum (≤0.05mm), be easy to cause shower nozzle to block, maintenance difficult, causes stopping production; The consumable material prices such as used ink and cured piece of black solid are high, and need from external import, and be subject to the Sources controlling of blockade on new techniques country, wax spray, inkjet screen-making technology are difficult to apply.
In recent years, have also been developed making net by laser technology, utilize after focusing on and there is high-octane etching laser beam, by the solidification glue vaporization on plain net predetermined point, etch stamp flower pattern, although making net by laser technology also eliminates the bag sheet process before film and exposure, its deficiency existed is: due to Laser Focusing etching employing is pointwise etching, and efficiency is very low; Therefore the driver module for laser instrument requires higher, and the driver module of common lasers cannot ensure the accuracy of instantaneous exposure pulse.In addition, the accuracy for the horizontal and vertical motion of laser instrument is difficult to control.Precision is high, then point to be etched on plain net is more intensive, causes laser-induced thermal etching efficiency low, reduces required precision and printed design can be caused again undesirable.Therefore, do not exist on the market at present and can ensure high speed and high-precision making net by laser equipment and manufacture method thereof simultaneously.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose one and operate steadily, the net making method of the imitative digit printing plain net that precision is high.
Object of the present invention realizes by following technical proposal:
A net making method for imitative digit printing plain net, is characterized in that, comprise the following steps:
(1) computer color splitting, retouch original text to stamp flower pattern original copy, is processed into eight color separations by computer color splitting;
(2) image that color separation is formed is changed into pixelation dot matrix collection, it is that the dot matrix collection of bar shaped combines that this dot matrix collection possesses fixed width by several;
(3) the dot matrix collection pattern transfer handled well is become pulse signal, be delivered to driver, the opening and closing of laser solid matter in driver drives laser instrument;
(4) net that stretches tight is prefabricated, and by plain net tensioning, and the plain net of gluing is fixed on the table after drying by gluing; Regulate the lens focus of laser instrument, make Laser Focusing on plain net;
(5) open the servomechanism installation in frame, drive laser starts laser dotting according to the point set position of presetting;
(6) plain net completed making net by laser carries out development washing;
(7) repair net edge sealing, solidified.
By retouching original text to eight color separations of style, form the electronic image files of high accuracy, high order number site, its net precision processed can reach 508X1016dpi.The plain net site effect made is better than the site effect of laser photo-typesetting, it both compensate for ink-jet, shaping undesirable the regretting in wax spray net making machine site, and because laser directly projects half tone surface to make it photosensitive, it also avoid traditional film exposure system and net the site loss caused, ensure that the accuracy of image restoring, thus high-precision plain net half tone can be produced.Also instead of the media such as ink, wax, the film, the net cost processed of reduction.Coordinate the color separation software of specialty and digital matched color technology simultaneously, stamp enterprise can not only be made to produce the imitative digit printing product of high-quality, the quality of Conventional decal product more can be allowed to get a promotion.
In the net making method of above-mentioned imitative digit printing plain net, described servomechanism installation is also provided with position sensor, and described sensor sends position signalling continuously to computer.
By designing style and utilize stamp spot color separating system that color separation in printing signal is converted into the dot matrix signal corresponding with the screen cloth site on half tone in computer, servomechanism installation is utilized to drive laser instrument to move back and forth on half tone, respond to the position signalling of laser instrument by position sensor and feed back to computer, make computer controlled laser in the opening and closing of assigned address, laser is utilized to expose the photoresists on screen cloth, thus form intensive photosensitive pattern, realize the dot matrix reduction of flower pattern information on half tone.
In the net making method of above-mentioned imitative digit printing plain net, described servomechanism installation comprises for installing laser instrument and the crossbeam of drive laser traverse motion, described beam erection, in frame, is provided with the longitudinal driving mechanism driving crossbeam lengthwise movement between described frame and crossbeam.
In the net making method of above-mentioned imitative digit printing plain net, described longitudinal driving mechanism comprises two longitudinal rails be arranged in frame, the screw mandrel that described frame is provided with drive motors and is connected with motor output shaft, pedestal is arranged with outside described screw mandrel, described base sleeve to be connected on longitudinal rail and can along slide, and described beam erection is on two pedestals.
In the net making method of above-mentioned imitative digit printing plain net, described drive motors and screw mandrel are two width and lay respectively at the two sides of frame.
In the net making method of above-mentioned imitative digit printing plain net, described beam sides is provided with cross slide way and is installed on the base on guide rail, described base is provided with laser instrument, and described crossbeam is provided with and drives base along the reciprocating transversal driving mechanism of guide rail.
In the net making method of above-mentioned imitative digit printing plain net, described transversal driving mechanism is linear electric motors, the elementary of described linear electric motors is fixedly connected with base, described linear electric motors secondary between two cross slide waies, and described crossbeam is also provided with reciprocating cable-pulling chain.
Adopt the pattern of linear motor direct drive, eliminate the transmission component gyration of routine being converted to rectilinear motion, not only eliminate the kinematic error that drive gap and driving part error cause thus, and significantly improve dynamic property and the translational speed of axle, thus improve laser instrument traveling comfort and location accuracy, improve the definition of half tone.
In the net making method of above-mentioned imitative digit printing plain net, described position sensor is be arranged at magnetic railings ruler on crossbeam and be arranged at the magnetic head that laser base coordinates with magnetic railings ruler.Magnetic railings ruler is utilized to respond to the position of laser instrument, its precision is lower than grating scale, but magnetic railings ruler employing is that magnetic scale is connected with the contact of magnetic head, and it is not by external interference, running stability is high, and its induction precision enough meets the required precision of the net making method of imitative digit printing plain net.
Compared with prior art, the net making method of this imitative digit printing plain net utilizes linear electric motors drive laser to move back and forth, eliminate the transmission component gyration of routine being converted to rectilinear motion, not only eliminate the kinematic error that drive gap and driving part error cause thus, and significantly improve dynamic property and the translational speed of axle, thus improve laser instrument traveling comfort and location accuracy, while raising dot speed and precision, improve the definition of half tone, in addition, adopt magnetic railings ruler as position sensor, under the prerequisite ensureing sensor accuracy, effectively can prevent external interference, improve the stability in use of sensor, and then improve the accuracy of laser exposure.
Accompanying drawing explanation
Fig. 1 is the process chart of the net making method of this imitative digit printing plain net;
Fig. 2 is the perspective view of the net making machine of this imitative digit printing plain net;
Fig. 3 is the partial structurtes schematic diagram of the net making machine middle cross beam of this imitative digit printing plain net;
In figure, 1, frame; 2, crossbeam; 21, longitudinal rail; 3, drive motors; 31, screw mandrel; 32, pedestal; 4, laser instrument; 5, cross slide way; 51, elementary; 52, secondary; 6, magnetic railings ruler; 61, magnetic head; 7, base.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figures 2 and 3, the net making machine of this imitative digit printing plain net comprises frame 1, frame 1 is provided with the fixture of tensioning screen cloth and scribbles the screen cloth of photoresists, frame 1 is also provided with can the servomechanism installation of the horizontal and vertical motion of laser instrument 4 half tone relative to drive laser 4 of Emission Lasers, and be preinstalled with the computer of stamp spot color separating system and style, described laser instrument 4 is connected with computer and can controls laser instrument 4 and opens and closes, described servomechanism installation is also provided with position sensor, described sensor sends position signalling continuously to computer, and the laser instrument 4 break-make laser beam of described calculating function according to position signalling control.
As shown in Figure 1, the net making method of this imitative digit printing plain net comprises the following steps:
(1) computer color splitting, retouch original text to stamp flower pattern original copy, is processed into eight color separations by computer color splitting;
(2) image that color separation is formed is changed into pixelation dot matrix collection, it is that the dot matrix collection of bar shaped combines that this dot matrix collection possesses fixed width by several;
(3) the dot matrix collection pattern transfer handled well is become pulse signal, be delivered to driver, the opening and closing of laser solid matter in driver drives laser instrument;
(4) net that stretches tight is prefabricated, and by plain net tensioning, and the plain net of gluing is fixed on the table after drying by gluing; Regulate the lens focus of laser instrument, make Laser Focusing on plain net;
(5) open the servomechanism installation in frame, drive laser starts laser dotting according to the point set position of presetting;
(6) plain net completed making net by laser carries out development washing;
(7) repair net edge sealing, solidified.
By retouching original text to eight color separations of style, form the electronic image files of high accuracy, high order number site, its net precision processed can reach 508X1016dpi.The plain net site effect made is better than the site effect of laser photo-typesetting, it both compensate for ink-jet, shaping undesirable the regretting in wax spray net making machine site, and because laser directly projects half tone surface to make it photosensitive, it also avoid traditional film exposure system and net the site loss caused, ensure that the accuracy of image restoring, thus high-precision plain net half tone can be produced.Also instead of the media such as ink, wax, the film, the net cost processed of reduction.Coordinate the color separation software of specialty and digital matched color technology simultaneously, stamp enterprise can not only be made to produce the imitative digit printing product of high-quality, the quality of Conventional decal product more can be allowed to get a promotion.
Servomechanism installation is also provided with position sensor, and described sensor sends position signalling continuously to computer, makes to calculate function perception laser instrument position at any time, ensures its laser dotting accuracy.By designing style and utilize stamp spot color separating system that color separation in printing signal is converted into the dot matrix signal corresponding with the screen cloth site on half tone in computer, servomechanism installation is utilized to drive laser instrument 4 to move back and forth on half tone, respond to the position signalling of laser instrument 4 by position sensor and feed back to computer, make computer controlled laser 4 in the opening and closing of assigned address, laser is utilized to expose the photoresists on screen cloth, thus form intensive photosensitive pattern, realize the dot matrix reduction of flower pattern information on half tone.
Servomechanism installation comprises the crossbeam 2 for installing laser instrument 4 drive laser 4 traverse motion, and described crossbeam 2 is set up in frame 1, is provided with the longitudinal driving mechanism driving crossbeam 2 lengthwise movement between described frame 1 and crossbeam 2.Described longitudinal driving mechanism comprises two longitudinal rails 21 be arranged in frame 1, the screw mandrel 31 that described frame 1 is provided with drive motors 3 and is connected with motor output shaft, pedestal 32 is arranged with outside described screw mandrel 31, described pedestal 32 to be socketed on longitudinal rail 21 and can along slide, and described crossbeam 2 is set up on two pedestals 32.For improving the stability of crossbeam 2, described drive motors 3 and screw mandrel 31 are two width and lay respectively at the two sides of frame 1.
The base 7 that crossbeam 2 sidepiece is provided with cross slide way 5 and is installed on guide rail, described base 7 is provided with laser instrument 4, described crossbeam 2 is provided with and drives base 7 along the reciprocating transversal driving mechanism of guide rail, described transversal driving mechanism is linear electric motors, elementary 51 of described linear electric motors are fixedly connected with base 7, described linear electric motors secondary 52 between two cross slide waies 5, described crossbeam 2 is also provided with reciprocating cable-pulling chain.Adopt the pattern of linear motor direct drive, eliminate the transmission component gyration of routine being converted to rectilinear motion, not only eliminate the kinematic error that drive gap and driving part error cause thus, and significantly improve dynamic property and the translational speed of axle, thus improve laser instrument 4 traveling comfort and location accuracy, improve the definition of half tone.
Position sensor is be arranged at magnetic railings ruler on crossbeam 26 and be arranged at the magnetic head 61 that laser instrument 4 base 7 coordinates with magnetic railings ruler 6.Magnetic railings ruler 6 is utilized to respond to the position of laser instrument 4, its precision is lower than grating scale, but what magnetic railings ruler 6 adopted is that magnetic scale is connected with the contact of magnetic head 61, it is not by external interference, running stability is high, and its induction precision enough meets the required precision of the net making method of imitative digit printing plain net.
The servomechanism installation course of work of this imitative digit printing plain net is as follows, first by designing style and utilize stamp spot color separating system that color separation in printing signal is converted into the dot matrix signal corresponding with the screen cloth site on half tone in computer, then in frame 1, the screen cloth scribbling photoresists is fixed on screen cloth fixture; Open laser instrument 4 power supply, manually micromatic setting regulates laser instrument 4 focusing position; Then linear electric motors, drive motors 3 is opened, linear electric motors move back and forth along cross slide way 5, feed back to computer by sensor sensing laser instrument 4 position on magnetic railings ruler 6, the opening and closing of computer controlled laser 4, meanwhile drive motors 3 drives screw mandrel 31 to rotate, crossbeam 2 is driven to move along the longitudinal direction, thus realize longitudinally entering next horizontal array after laser instrument 4 completes laser instrument 4 exposure in a horizontal array, and so forth, dot matrix on whole half tone is exposed, thus forms pattern clearly.
The net making method of this imitative digit printing plain net utilizes linear electric motors drive laser 4 to move back and forth, eliminate the transmission component gyration of routine being converted to rectilinear motion, not only eliminate the kinematic error that drive gap and driving part error cause thus, and significantly improve dynamic property and the translational speed of axle, thus improve laser instrument 4 traveling comfort and location accuracy, improve the definition of half tone, in addition, adopt magnetic railings ruler 6 as position sensor, under the prerequisite ensureing sensor accuracy, effectively can prevent external interference, improve the stability in use of sensor, and then improve the accuracy of laser instrument 4 exposure.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (8)
1. a net making method for imitative digit printing plain net, is characterized in that, comprise the following steps:
(1) computer color splitting, retouch original text to stamp flower pattern original copy, is processed into eight color separations by computer color splitting;
(2) image that color separation is formed is changed into pixelation dot matrix collection, it is that the dot matrix collection of bar shaped combines that this dot matrix collection possesses fixed width by several;
(3) the dot matrix collection pattern transfer handled well is become pulse signal, be delivered to driver, the opening and closing of laser solid matter in driver drives laser instrument;
(4) net that stretches tight is prefabricated, and by plain net tensioning, and the plain net of gluing is fixed on the table after drying by gluing; Regulate the lens focus of laser instrument, make Laser Focusing on plain net;
(5) open the servomechanism installation in frame, drive laser starts laser dotting according to the point set position of presetting;
(6) plain net completed making net by laser carries out development washing;
(7) repair net edge sealing, solidified.
2. the net making method of imitative digit printing plain net according to claim 1, is characterized in that, described servomechanism installation is also provided with position sensor, and described sensor sends position signalling continuously to computer.
3. the net making method of imitative digit printing plain net according to claim 2, it is characterized in that, described servomechanism installation comprises for installing laser instrument and the crossbeam of drive laser traverse motion, described beam erection, in frame, is provided with the longitudinal driving mechanism driving crossbeam lengthwise movement between described frame and crossbeam.
4. the net making method of imitative digit printing plain net according to claim 3, it is characterized in that, described longitudinal driving mechanism comprises two longitudinal rails be arranged in frame, the screw mandrel that described frame is provided with drive motors and is connected with motor output shaft, pedestal is arranged with outside described screw mandrel, described base sleeve to be connected on longitudinal rail and can along slide, and described beam erection is on two pedestals.
5. the net making method of imitative digit printing plain net according to claim 4, is characterized in that, described drive motors and screw mandrel are two width and lay respectively at the two sides of frame.
6. the net making method of the imitative digit printing plain net according to claim 3 or 4 or 5, it is characterized in that, described beam sides is provided with cross slide way and is installed on the base on guide rail, described base is provided with laser instrument, and described crossbeam is provided with and drives base along the reciprocating transversal driving mechanism of guide rail.
7. the net making method of imitative digit printing plain net according to claim 6, it is characterized in that, described transversal driving mechanism is linear electric motors, the elementary of described linear electric motors is fixedly connected with base, described linear electric motors secondary between two cross slide waies, described crossbeam is also provided with reciprocating cable-pulling chain.
8. the net making method of imitative digit printing plain net according to claim 7, is characterized in that, described position sensor is be arranged at magnetic railings ruler on crossbeam and be arranged at the magnetic head that laser base coordinates with magnetic railings ruler.
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| CN201510114890.3A CN104742494A (en) | 2015-03-17 | 2015-03-17 | Screen making method of digital printing imitating flat screen |
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Cited By (6)
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| CN106094430A (en) * | 2016-08-23 | 2016-11-09 | 贵州劲瑞新型包装材料有限公司 | A kind of vacuum aluminum-coated device for forming pattern and operational approach thereof |
| CN106915145A (en) * | 2017-04-20 | 2017-07-04 | 佛山市简陶瓷有限公司 | A kind of half tone manufacture method for Dali stone ceramic tile |
| CN107175884A (en) * | 2017-07-18 | 2017-09-19 | 蒙娜丽莎集团股份有限公司 | A kind of Ceramic Tiles decoration printing screen plate and preparation method thereof |
| CN107419572A (en) * | 2017-09-26 | 2017-12-01 | 绍兴铭锐冲孔科技有限公司 | Textile laser gold stamping process |
| CN110181928A (en) * | 2019-07-09 | 2019-08-30 | 苏州微影激光技术有限公司 | A kind of automatic platemaker and method for platemaking of screen printing plate |
| CN113734720A (en) * | 2021-09-13 | 2021-12-03 | 浙江大学先进电气装备创新中心 | Direct-drive multi-track flexible conveying system and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107175884A (en) * | 2017-07-18 | 2017-09-19 | 蒙娜丽莎集团股份有限公司 | A kind of Ceramic Tiles decoration printing screen plate and preparation method thereof |
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| CN110181928A (en) * | 2019-07-09 | 2019-08-30 | 苏州微影激光技术有限公司 | A kind of automatic platemaker and method for platemaking of screen printing plate |
| CN110181928B (en) * | 2019-07-09 | 2021-09-21 | 苏州微影激光技术有限公司 | Plate making device and plate making method of screen printing plate |
| CN113734720A (en) * | 2021-09-13 | 2021-12-03 | 浙江大学先进电气装备创新中心 | Direct-drive multi-track flexible conveying system and control method thereof |
| CN113734720B (en) * | 2021-09-13 | 2022-06-24 | 浙江大学先进电气装备创新中心 | Direct-drive multi-track flexible conveying system and control method thereof |
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