CN103847240A - Three-dimensional digital printing machine and three-dimensional image printing method thereof - Google Patents

Three-dimensional digital printing machine and three-dimensional image printing method thereof Download PDF

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Publication number
CN103847240A
CN103847240A CN201210504393.0A CN201210504393A CN103847240A CN 103847240 A CN103847240 A CN 103847240A CN 201210504393 A CN201210504393 A CN 201210504393A CN 103847240 A CN103847240 A CN 103847240A
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digital printing
ink
computer control
control system
stock
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CN103847240B (en
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李华容
吕伟
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices 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
    • B41J11/0015Devices 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
    • B41J11/002Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0021Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00214Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using UV radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor

Abstract

The invention relates to a three-dimensional digital printing machine and a three-dimensional image printing method thereof. The three-dimensional digital printing machine comprises a computer control system, a graphic scanning system and a digital printing system. The graphic scanning system and the digital printing system are both electrically connected with the computer control system. The graphic scanning system is used for scanning an original manuscript body and outputting the acquired original manuscript image information to the computer control system. The digital printing system is used for ink-jetting and curing printing materials under controlling of the computer control system so that the three-dimensional digital printing machine has advantages of being high-fidelity in reduced image, stable in performance, high in application extension performance, etc.

Description

Three-dimensional digital printing machine and stereoscopic picture printing method thereof
Technical field
The present invention relates to a kind of printing equipment, particularly a kind of three-dimensional digital printing machine and stereoscopic picture printing method thereof.
Background technology
At present, along with people's living standard progressively improves, the digital printed life of progressively walking close to people.In industry, digital printing apparatus has two kinds now: ink jet type digital printer and digital imagery formula digital printer.Utilize these two kinds of printing machines can produce the product with general effect, and speed of production is fast, cost is low.But produce the product with 3-D effect, need product to carry out overlapping ink-jet, constantly pile up ink to form 3D effect on its surface.The 3-D effect of this kind of method formation is poor, and production cost is high.Cannot complete for more complicated space pattern print reproduction.
At number of patent application: proposed a kind of method that uses ink-jet printer to make three dimensional printing image in 03800838.6 description: it uses ink-jet printer at painting canvas surface printing image, adhere to white primer agent material and form corresponding to the depression of printing images and protruding surface at the required jog of printing images, obtain completely needing after the concavo-convex bottom of duplicating image, recycling ink-jet printer, at the identical image of ink jet printing, therefore obtains the three dimensional printing image with the state identical with the concavo-convex state of original oil painting.But the pattern that the ink particle that the shower nozzle of ink-jet printer penetrates forms is flat and smooth, when depression and protruding image phase are put when adjacent, because the discrepancy in elevation exists, shower nozzle cannot carry out ink-jet to the local location that has drop, or the image of ink-jet can be out of shape, and causes image fault.Meanwhile, shower nozzle cannot be processed depression and protruding position, boundary and the edge of pattern.Above problem, all makes that 3D is digital printed to be restricted at product and technology field, cannot be used widely.
Summary of the invention
Object of the present invention is exactly the technical problems such as image fault, application scalability be low that exist in order to solve prior art three dimensional printing machine, the invention provides a kind of three-dimensional digital printing machine.
Concrete technical scheme of the present invention is as follows:
The invention provides a kind of three-dimensional digital printing machine, it comprises computer control system, graph scanning system and digital printing system, described graph scanning system and digital printing system are all electrically connected with described computer control system, described graph scanning system is for scan manuscript body and the original image information obtaining is outputed to described computer control system, and described digital printing system carries out ink-jet to stock and solidifies under the control of described computer control system.
Further, described digital printing system comprises the first ink gun, UV-LED lamp group and a detection head, described the first ink gun carries out the ink-jet of three-dimensional height to stock under the control of described computer control system, a described UV-LED lamp group is for solidifying the ink on described stock surface, and described detection head is for detection of the image information on described stock surface and outputed to described computer control system.
Further, described digital printing system also comprises the second ink gun and the 2nd UV-LED lamp group, described the second ink gun carries out color jet-ink to stock under the control of described computer control system, and described the 2nd UV-LED lamp group is for solidifying the colored ink on described stock surface.
Further, described digital printing system also comprises the first workbench and the first drive unit, described the first workbench is for carrying and fix described stock, and described the first drive unit is used for driving described the first ink gun, detection head and the second ink gun along the first movable workbench.
Further, described computer control system comprises control appliance, display device and input equipment, the signal that described control appliance provides for receiving graph scanning system and digital printing system, and output a control signal to graph scanning system and digital printing system; Described display device is for the relevant information of display control apparatus processing; Described input equipment is for being converted to external signal the signal of telecommunication and offering control appliance.
Further, described graph scanning system comprises probe, the second workbench and the second drive unit, described probe is for scan manuscript body and the original image information obtaining is outputed to described computer control system, described the second workbench is for carrying fixing original copy body, and described the second drive unit is used for driving described probe along the second movable workbench.
Further, described probe comprises multiple imageing sensors and multiple illuminating lamp, and described imageing sensor obtains the image information of described original copy body under the cooperation of described illuminating lamp.
Further, described original image information comprises three-dimensional information and color information.
The present invention also provides a kind of stereoscopic picture printing method of three-dimensional digital printing machine, and it comprises the steps:
Step S1, the first workbench of described digital printing system carries and fixes stock;
Step S2, described the first ink gun carries out after the ink-jet of three-dimensional height stock under the control of described computer control system, and a described UV-LED lamp group is solidified the ink on described stock surface;
Step S3, described detection head detects the image information on described stock surface and is outputed to described computer control system, described computer control system compares the image information on the stock surface receiving and predetermined image information, if consistent, carry out step S4, if inconsistent, return to step S3;
Step S4, described the second ink gun carries out after color jet-ink stock under the control of described computer control system, and described the 2nd UV-LED lamp group is solidified the ink on described stock surface.
Further, before step S1, further comprise the steps:
Step S0, described graph scanning system scan original copy body also outputs to described computer control system by the original image information obtaining.
Compared to prior art, the main beneficial effect of three-dimensional digital printing machine of the present invention and stereoscopic picture printing method thereof is: three-dimensional digital printing machine of the present invention adopts the first ink gun and the second ink gun successively to carry out three-dimensional height ink-jet and color jet-ink, be cured respectively, can reduce the effect of different original copys completely.In addition, carry out after the ink-jet of three-dimensional height at the first ink gun, utilize detection head to detect to determine whether to start the second ink gun and carry out color jet-ink, really accomplish to obtain the effect of high fidelity visual, make the details of each image can reduce really original copy, while solving image printing, have the problem of localized distortion.In addition, three-dimensional digital printing machine can, according to the number of times that ink-jet need to be set of practical operation and the resolution ratio of ink jet image, have stable performance, application scalability advantages of higher.
Brief description of the drawings
Fig. 1 is the block diagram of the embodiment of the present invention 1 three-dimensional digital printing machine;
Fig. 2 is the block diagram of the digital printing system of the embodiment of the present invention 1 three-dimensional digital printing machine;
Fig. 3 is the block diagram of the computer control system of the embodiment of the present invention 1 three-dimensional digital printing machine;
Fig. 4 is the block diagram of the graph scanning system of the embodiment of the present invention 1 three-dimensional digital printing machine;
Fig. 5 is the schematic flow sheet of the stereoscopic picture printing method of the embodiment of the present invention 2 three-dimensional digital printing machines.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used for limiting the present invention.
Embodiment 1
As shown in Figure 1, a kind of three-dimensional digital printing machine provided by the invention, it comprises computer control system, graph scanning system and digital printing system.Described graph scanning system and digital printing system are all electrically connected with described computer control system.Described graph scanning system is for scan manuscript body and the original image information obtaining is outputed to described computer control system, and described digital printing system carries out ink-jet to stock and solidifies under the control of described computer control system.Described original image information comprises three-dimensional information and color information.
As shown in Figure 2, described digital printing system comprises the first ink gun, a UV-LED lamp group, detection head, the second ink gun, the 2nd UV-LED lamp group, the first workbench and the first drive unit.Described the first drive unit is used for driving described the first ink gun, detection head and the second ink gun along the first movable workbench.Described the first workbench is for carrying and fix described stock, and described the first workbench has air suction function, in order to fixing stock.
Described the first ink gun carries out the ink-jet of three-dimensional height to stock under the control of described computer control system, forms the three-dimensional bottom consistent with described computer control system predetermined file information on stock.If inconsistent, ink gun 1 carries out three-dimensional height ink-jet work to stock again repeatedly.Described the first ink gun forms by organizing nozzle more, organizes nozzle more and connects print cartridge by flexible pipe, and organize nozzle spray printing is same color ink more.Ink-jet can be white or colourless resin ink.Resin ink is made up of polymer, surfactant, defoamer, smooth agent etc. conventionally.
A described UV-LED lamp group is for solidifying the ink on described stock surface.A described UV-LED lamp group is fixedly connected with described the first ink gun, and a described UV-LED lamp group is cold light lamp group.
Described detection head is for detection of the image information on described stock surface and outputed to described computer control system.Described detection head completes after solidifying of stock surface ink in a described UV-LED lamp group, and its three-dimensional bottom layer height to described stock surface ink scans detection, and the image information detecting outputs to described computer control system.Described detection head is also for locating the ink jetting position of a described UV-LED lamp group, under the control of described computer control system, start before ink-jet at described the first ink gun, described detection head scans in advance to the stock that is placed on described the first workbench, described detection head determines after ink jetting position, and described the first ink gun starts stock ink jet printing again.Described detection head also has multiple detection light source, and described detection light source is for providing illumination to coordinate described detection head to detect the work of stock.
Described the second ink gun carries out color jet-ink to stock under the control of described computer control system, forms the coloured image consistent with described computer control system predetermined file information on stock.The image information on the stock surface that described computer control system provides according to described detection head, judges whether to start described the second ink gun work.Described the second ink gun is made up of the nozzle of organizing color more, and the nozzle of each color is connected with print cartridge by flexible pipe.The colour cell of described nozzle is arranged on 8 colors conventionally, that is: red, yellow, blue, purple, bright red, black, white, orange, but is not limited to 8 colors simultaneously, or other more colors.
Described the 2nd UV-LED lamp group is for solidifying the colored ink on described stock surface.Described the 2nd UV-LED lamp group is fixedly connected with described the second ink gun, and described the 2nd UV-LED lamp group is cold light lamp group.
As shown in Figure 3, described computer control system comprises control appliance, display device and input equipment, and described display device and described input equipment are all electrically connected with described control appliance.The signal that described control appliance provides for receiving graph scanning system and digital printing system, and output a control signal to graph scanning system and digital printing system.Wherein, described control appliance receives the original image information of the original copy body that described graph scanning system provides, and it changes and be stored as predetermined file information by the three-dimensional information of described original copy body and color information.Described control appliance receives the three-dimensional bottom layer height information of the stock surface ink that the detection head of described digital printing system provides, and itself and predetermined file information are compared; If consistent, described control appliance starts described the second ink gun stock is carried out to color jet-ink; If inconsistent, described control appliance starts ink gun 1 and again repeatedly stock is carried out to the ink-jet of three-dimensional height.Described display device is for the relevant information of display control apparatus processing; Described input equipment is for being converted to external signal the signal of telecommunication and offering control appliance.
As shown in Figure 4, described graph scanning system comprises probe, the second workbench and the second drive unit, and described the second workbench is for carrying fixing original copy body, and described the second drive unit is used for driving described probe along the second movable workbench.Described probe is for scan manuscript body and the original image information obtaining is outputed to described computer control system.Described probe comprises multiple imageing sensors and multiple scanning light source, and described imageing sensor obtains the image information of described original copy body under the cooperation of described scanning light source.The number of times that described probe scans described original copy body is generally more than three times or three times, for the elementary scanning in location, is fine scanning for the second time for the first time, is local fine scanning for the third time.In addition, also can be according to the feature of original copy body, and the needs of practical operation, specifically set scanning times and need the resolution ratio of output image information.
Embodiment 2
Three-dimensional digital printing machine in three-dimensional digital printing machine of the present invention and embodiment 1 is basic identical, as shown in Figure 5, the stereoscopic picture printing method of a kind of three-dimensional digital printing machine that the present invention also provides, it comprises the steps.
Step S0, described graph scanning system scan original copy body also outputs to described computer control system by the original image information obtaining.
Described control appliance receives the original image information of the original copy body that described graph scanning system provides, and it changes and be stored as predetermined file information by the three-dimensional information of described original copy body and color information.
Described probe scan manuscript body also outputs to described computer control system by the original image information obtaining.Described probe comprises multiple imageing sensors and multiple scanning light source, and described imageing sensor obtains the image information of described original copy body under the cooperation of described scanning light source.The number of times that described probe scans described original copy body is generally more than three times or three times, for the elementary scanning in location, is fine scanning for the second time for the first time, is local fine scanning for the third time.In addition, also can be according to the feature of original copy body, and the needs of practical operation, specifically set scanning times and need the resolution ratio of output image information.The second workbench of described graph scanning system carries and fixes original copy body, and described the second drive unit drives described probe along the second movable workbench.If stored the image information of original copy body in described computer control system, step S0 can omit.
Step S1, the first workbench of described digital printing system carries and fixes stock.
Described the first workbench has air suction function, in order to fixing stock.
Step S2, described the first ink gun carries out after the ink-jet of three-dimensional height stock under the control of described computer control system, and a described UV-LED lamp group is solidified the ink on described stock surface.
Under the control of described computer control system, start before ink-jet at described the first ink gun, described detection head scans in advance to the stock that is placed on described the first workbench, and described detection head determines after ink jetting position, and described the first ink gun starts stock ink jet printing again.Described detection head also has multiple detection light source, and described detection light source is for providing illumination to coordinate described detection head to detect the work of stock.
Described the first ink gun carries out the ink-jet of three-dimensional height to stock under the control of described computer control system, forms the three-dimensional bottom consistent with described computer control system predetermined file information on stock.Described the first ink gun forms by organizing nozzle more, organizes nozzle more and connects print cartridge by flexible pipe, and organize nozzle spray printing is same color ink more.Ink-jet can be white or colourless resin ink.Resin ink is made up of polymer, surfactant, defoamer, smooth agent etc. conventionally.
After the ink-jet work of described the first ink gun completes, a described UV-LED lamp group is solidified the three-dimensional height ink on described stock surface.A described UV-LED lamp group is fixedly connected with described the first ink gun, and a described UV-LED lamp group is cold light lamp group.Described the first drive unit drives described the first ink gun, detection head and the second ink gun along the first movable workbench.
Step S3, described detection head detects the image information on described stock surface and is outputed to described computer control system, described computer control system compares the image information on the stock surface receiving and predetermined image information, if consistent, carry out step S4, if inconsistent, return to step S3.
Described detection head completes after solidifying of stock surface ink in a described UV-LED lamp group, and its three-dimensional bottom layer height to described stock surface ink scans detection, and the image information detecting outputs to described computer control system.The control appliance of described computer control system receives the three-dimensional bottom layer height information of the stock surface ink that the detection head of described digital printing system provides, and itself and predetermined file information are compared; If consistent, carry out step S4, described control appliance starts described the second ink gun stock is carried out to color jet-ink; If inconsistent, return to step S2, described control appliance starts ink gun 1 and again repeatedly stock is carried out to the ink-jet of three-dimensional height.
Step S4, described the second ink gun carries out after color jet-ink stock under the control of described computer control system, and described the 2nd UV-LED lamp group is solidified the ink on described stock surface.
Described the second ink gun carries out color jet-ink to stock under the control of described computer control system, forms the coloured image consistent with described computer control system predetermined file information on stock.Described the second ink gun is made up of the nozzle of organizing color more, and the nozzle of each color is connected with print cartridge by flexible pipe.The colour cell of described nozzle is arranged on 8 colors conventionally, that is: red, yellow, blue, purple, bright red, black, white, orange, but is not limited to 8 colors simultaneously, or other more colors.
After the ink-jet work of described the second ink gun completes, described the 2nd UV-LED lamp group is solidified the colored ink on described stock surface.Described the 2nd UV-LED lamp group is fixedly connected with described the second ink gun, and described the 2nd UV-LED lamp group is cold light lamp group.
So far, three-dimensional digital printing machine of the present invention completes the printing of the highly three-dimensional and coloured image to described stock surface.
It should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.

Claims (10)

1. a three-dimensional digital printing machine, it is characterized in that, comprise: computer control system, graph scanning system and digital printing system, described graph scanning system and digital printing system are all electrically connected with described computer control system, described graph scanning system is for scan manuscript body and the original image information obtaining is outputed to described computer control system, and described digital printing system carries out ink-jet to stock and solidifies under the control of described computer control system.
2. three-dimensional digital printing machine according to claim 1, it is characterized in that, described digital printing system comprises the first ink gun, UV-LED lamp group and a detection head, described the first ink gun carries out the ink-jet of three-dimensional height to stock under the control of described computer control system, a described UV-LED lamp group is for solidifying the ink on described stock surface, and described detection head is for detection of the image information on described stock surface and outputed to described computer control system.
3. three-dimensional digital printing machine according to claim 2, it is characterized in that, described digital printing system also comprises the second ink gun and the 2nd UV-LED lamp group, described the second ink gun carries out color jet-ink to stock under the control of described computer control system, and described the 2nd UV-LED lamp group is for solidifying the colored ink on described stock surface.
4. three-dimensional digital printing machine according to claim 3, it is characterized in that, described digital printing system also comprises the first workbench and the first drive unit, described the first workbench is for carrying and fix described stock, and described the first drive unit is used for driving described the first ink gun, detection head and the second ink gun along the first movable workbench.
5. three-dimensional digital printing machine according to claim 1, it is characterized in that, described computer control system comprises control appliance, display device and input equipment, the signal that described control appliance provides for receiving graph scanning system and digital printing system, and output a control signal to graph scanning system and digital printing system; Described display device is for the relevant information of display control apparatus processing; Described input equipment is for being converted to external signal the signal of telecommunication and offering control appliance.
6. three-dimensional digital printing machine according to claim 1, it is characterized in that, described graph scanning system comprises probe, the second workbench and the second drive unit, described probe is for scan manuscript body and the original image information obtaining is outputed to described computer control system, described the second workbench is for carrying fixing original copy body, and described the second drive unit is used for driving described probe along the second movable workbench.
7. three-dimensional digital printing machine according to claim 6, is characterized in that, described probe comprises multiple imageing sensors and multiple illuminating lamp, and described imageing sensor obtains the image information of described original copy body under the cooperation of described illuminating lamp.
8. three-dimensional digital printing machine according to claim 1, is characterized in that, described original image information comprises three-dimensional information and color information.
9. a stereoscopic picture printing method for three-dimensional digital printing machine, is characterized in that, comprises the steps:
Step S1, the first workbench of described digital printing system carries and fixes stock;
Step S2, described the first ink gun carries out after the ink-jet of three-dimensional height stock under the control of described computer control system, and a described UV-LED lamp group is solidified the ink on described stock surface;
Step S3, described detection head detects the image information on described stock surface and is outputed to described computer control system, described computer control system compares the image information on the stock surface receiving and predetermined image information, if consistent, carry out step S4, if inconsistent, return to step S3;
Step S4, described the second ink gun carries out after color jet-ink stock under the control of described computer control system, and described the 2nd UV-LED lamp group is solidified the ink on described stock surface.
10. the stereoscopic picture printing method of three-dimensional digital printing machine according to claim 9, is characterized in that, before step S1, further comprises the steps:
Step S0, described graph scanning system scan original copy body also outputs to described computer control system by the original image information obtaining.
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