CN102858543A - Image forming device and image forming method - Google Patents

Image forming device and image forming method Download PDF

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Publication number
CN102858543A
CN102858543A CN2011800189338A CN201180018933A CN102858543A CN 102858543 A CN102858543 A CN 102858543A CN 2011800189338 A CN2011800189338 A CN 2011800189338A CN 201180018933 A CN201180018933 A CN 201180018933A CN 102858543 A CN102858543 A CN 102858543A
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China
Prior art keywords
ultraviolet
mentioned
ink
ejection
balladeur train
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Granted
Application number
CN2011800189338A
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Chinese (zh)
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CN102858543B (en
Inventor
大川将胜
菱田优子
古旗朝隆
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Mimaki Engineering Co Ltd
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Mimaki Engineering Co Ltd
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Publication of CN102858543A publication Critical patent/CN102858543A/en
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    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
    • 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
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00212—Controlling the irradiation means, e.g. image-based controlling of the irradiation zone or control of the duration or intensity of the irradiation
    • 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
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00214—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using UV radiation
    • 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
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00218—Constructional details of the irradiation means, e.g. radiation source attached to reciprocating print head assembly or shutter means provided on the radiation source

Abstract

An image forming device comprises: an ink ejection means mounted on a carriage reciprocally movable in a scanning direction and ejecting an ultraviolet curing ink; an ultraviolet irradiation means mounted on the carriage, disposed at least backward in the scanning direction of the ink ejection means, and irradiating ultraviolet rays to the ultraviolet curing ink ejected from the ink ejection means; and a control means for controlling the ink ejection means and the ultraviolet irradiation means. The control means controls whether the ejection of the ultraviolet curing ink by the ink ejection means and the irradiation of the ultraviolet rays by the ultraviolet irradiation means are performed in either the forward or backward movement of the carriage and makes it possible to selectively switch modes for forming respective a matte image, a glossy image, and a texture image.

Description

Image processing system and image forming method
Technical field
The image processing system and the image forming method that the present invention relates to spray the ultraviolet hardening China ink and form image at recording medium.
Background technology
Usually, in the image processing systems such as ink-jet printer, known have by carrying out serigraphy etc. at the image processing system that forms image as the medium of recording medium.And, in such image processing system, by changing the kind of China ink, can form the image of multiple texture.
Patent documentation 1: TOHKEMY 2008-213152 communique
But there are the following problems for image processing system in the past: in order to form the image of multiple texture, must suitably change according to desired texture the kind of China ink.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of image processing system and image forming method that can utilize the image of the texture that a kind of China ink forms coarse shape, gloss, accordion.
Ejection forms image at recording medium as drop with the ultraviolet hardening China ink thereby image processing system of the present invention is used for, it is characterized in that, this image processing system comprises: ink jet component, it carries on the balladeur train that can move back and forth in the scanning direction, and is used for ejection ultraviolet hardening China ink; The ultraviolet ray irradiation part, it carries on balladeur train and is configured at least the rear, scanning direction of ink jet component, and to the ultraviolet hardening China ink irradiation ultraviolet radiation from the ink jet component ejection; And control assembly, it is used for control ink jet component and ultraviolet irradiation part; Control assembly can optionally switch following pattern: coarse shape image forms pattern, at least one of the outlet of balladeur train and loop, makes ink jet component ejection ultraviolet hardening China ink, and from ultraviolet irradiation part irradiation ultraviolet radiation; The gloss image forms pattern, on the outlet of balladeur train, makes ink jet component ejection ultraviolet hardening China ink, and on the loop of balladeur train from ultraviolet irradiation part irradiation ultraviolet radiation; And the accordion image forms pattern, on the outlet of balladeur train, make ink jet component change spray volume and spray the ultraviolet hardening China ink, and on the loop of balladeur train from ultraviolet irradiation part irradiation ultraviolet radiation.
In image processing system of the present invention, if when selecting coarse shape image to form pattern, then after ink jet component ejection ultraviolet hardening China ink and then from ultraviolet irradiation part irradiation ultraviolet radiation.Its result, because land were solidified before smoothing at the ultraviolet hardening China ink of the droplet-like on the recording medium, therefore surface formation is concavo-convex, thereby forms the image of the coarse shape of diverging light.In addition, if select the gloss image to form pattern, then after having sprayed the ultraviolet hardening China ink from ink jet component, until balladeur train turns back to the same position place again by moving back and forth, can be from ultraviolet irradiation part irradiation ultraviolet radiation.Its result because until irradiation ultraviolet radiation during in, the ultraviolet hardening China ink of the droplet-like of land on recording medium is along recording medium diffusion and therefore smoothing will form image surface smoothing, that have reflecting feel.In addition, if select the accordion image to form pattern, then identical with gloss image formation pattern, after having sprayed the ultraviolet hardening China ink from ink jet component, until balladeur train turns back to the same position place again by moving back and forth, can be from ultraviolet irradiation part irradiation ultraviolet radiation.Therefore, the ultraviolet hardening China ink of the droplet-like of land on recording medium spreads and smoothing along recording medium.At this moment, spray the ultraviolet hardening China ink owing to changing spray volume from ink jet component, so the smoothness of the ultraviolet hardening China ink of the droplet-like of land on recording medium becomes inhomogeneous according to the position is different.Its result is on one side because the smoothing on one side of the ultraviolet hardening of the droplet-like of land on recording medium China ink produces suitable concavo-convexly, therefore form the image of accordion.So, form pattern by optionally switching three images, form pattern at outlet and loop control ink jet component and the ultraviolet irradiation part of balladeur train according to selected image, and need not to change the image that black kind just can form the texture of coarse shape, gloss, accordion.
In this case, ink jet component is characterised in that, comprises the first ink jet component and the second ink jet component that is configured in the rear, scanning direction of the first ink jet component.So, owing to be coated on from the upper strata of the ultraviolet hardening China ink of the first ink jet component ejection from the ultraviolet hardening China ink of the second ink jet component ejection, therefore by adjusting the ejection control of the second ink jet component, can change the texture of image.
In addition, preferably, selecting the accordion image to form in the situation of pattern, control part makes the second ink jet component interval reject pixel and sprays the ultraviolet hardening China ink.So, selecting the accordion image to form in the situation of pattern, spraying the ultraviolet hardening China ink by reject pixel from the second ink jet component interval, can make the uneven homogenize of drop density of the ultraviolet hardening China ink of the droplet-like of land on recording medium.Thus, on one side because that the ultraviolet hardening China ink smoothing on one side of the droplet-like of land on recording medium is produced is suitable concavo-convex, therefore can form reliably the image of accordion.
And, preferably, selecting the gloss image to form in the situation of pattern, the spray volume in the single pass of the ultraviolet hardening China ink that control part will be sprayed by the second ink jet component is made as 1400pg/mm 2～3400pg/mm 2So, selecting the gloss image to form in the situation of pattern, because by will be in single pass increasing to per unit area 1400pg/mm from the spray volume of the ultraviolet hardening China ink of the second ink jet component ejection of being configured in the rear, scanning direction 2～3400pg/mm 2, make the adjacent ultraviolet hardening China ink of land on recording medium be easy to each other mix, therefore can promote the smoothing of ultraviolet hardening China ink.Thus, in the reciprocal process of balladeur train, can make fully the concavo-convex smoothing of the ultraviolet hardening China ink of land on recording medium.
In addition, preferably, ultraviolet irradiation part has ultraviolet LED.For example, if use metal halide lamp etc. can't switch the ultraviolet irradiation part of ON/OFF at high speed, then need to arrange separately the switching device of shutter and shutter.Therefore, by ultraviolet LED is used as ultraviolet irradiation part, can switch at high speed the ON/OFF of ultraviolet ray irradiation, therefore need not to arrange special devices the such as shutter, just ultraviolet ray can be only when the needs irradiation ultraviolet radiation, penetrated, thereby energy-saving can be sought.
Image forming method of the present invention utilizes following image processing system to form image at recording medium, this image processing system comprises: ink jet component, it carries on the balladeur train that can move back and forth in the scanning direction, and is used for the ultraviolet hardening China ink is sprayed as drop; The ultraviolet ray irradiation part, it carries on balladeur train and is configured in the rear, scanning direction of ink jet component, and to the ultraviolet hardening China ink irradiation ultraviolet radiation from the ink jet component ejection; And control assembly, it is used for control ink jet component and ultraviolet irradiation part; It is characterized in that, in the situation of the image that forms coarse shape, make ink jet component ejection ultraviolet hardening China ink at least one of the outlet of balladeur train and loop, and from ultraviolet irradiation part irradiation ultraviolet radiation, have in formation in the situation of image of reflecting feel, on the outlet of balladeur train, make ink jet component ejection ultraviolet hardening China ink, on the loop of balladeur train, from ultraviolet irradiation part irradiation ultraviolet radiation, in the situation of the image that forms accordion, on the outlet of balladeur train, make ink jet component change spray volume and spray the ultraviolet hardening China ink, on the loop of balladeur train, from ultraviolet irradiation part irradiation ultraviolet radiation.
In image forming method of the present invention, in the situation of the image that forms coarse shape, after ink jet component ejection ultraviolet hardening China ink, and then from ultraviolet irradiation part irradiation ultraviolet radiation.Its result, because land were solidified before smoothing at the ultraviolet hardening China ink of the droplet-like on the recording medium, therefore surface formation is concavo-convex, thereby forms the image of the coarse shape of diverging light.In addition, have in formation in the situation of image of reflecting feel, after ink jet component ejection ultraviolet hardening China ink, until balladeur train turns back to the same position place again by moving back and forth, can be from ultraviolet irradiation part irradiation ultraviolet radiation.Its result because until irradiation ultraviolet radiation during in, the ultraviolet hardening China ink of the droplet-like of land on recording medium is along recording medium diffusion and therefore smoothing will form image surface smoothing, that have reflecting feel.In addition, in the situation of the image that forms accordion, identical with gloss image formation pattern, after having sprayed the ultraviolet hardening China ink from ink jet component, until balladeur train turns back to the same position place again by moving back and forth, can be from ultraviolet irradiation part irradiation ultraviolet radiation.Therefore, the ultraviolet hardening China ink of the droplet-like of land on recording medium spreads and smoothing along recording medium.At this moment, spray the ultraviolet hardening China ink owing to changing spray volume from ink jet component, so the smoothness of the ultraviolet hardening China ink of the droplet-like of land on recording medium becomes inhomogeneous according to the position is different.Its result is on one side because the smoothing on one side of the ultraviolet hardening of the droplet-like of land on recording medium China ink produces suitable concavo-convexly, therefore form the image of accordion.So, outlet and loop control ink jet component and ultraviolet irradiation part by at balladeur train need not to change the image that black kind just can form the texture of coarse shape, gloss, accordion.
According to the present invention, can utilize a kind of China ink to form the image of the texture of coarse shape, gloss, accordion.
Description of drawings
Fig. 1 is the figure of structure of the inkjet printer system of the expression ink-jet printer that contains embodiment.
Fig. 2 is the skeleton diagram of the ink-jet printer of expression embodiment.
Fig. 3 A and Fig. 3 B are the figure of the action case of the ink-jet printer in the coarse shape image formation pattern of expression, and Fig. 3 A represents the outlet of balladeur train, and Fig. 3 B represents the loop of balladeur train.
Fig. 4 A and Fig. 4 B are the figure of the action case of the ink-jet printer in the expression gloss image formation pattern, and Fig. 4 A represents the outlet of balladeur train, and Fig. 4 B represents the loop of balladeur train.
Fig. 5 A and Fig. 5 B are the figure of the action case of the ink-jet printer in the expression accordion image formation pattern, and Fig. 5 A represents the outlet of balladeur train, and Fig. 5 B represents the loop of balladeur train.
Fig. 6 A and Fig. 6 B are the figure of other action cases of the ink-jet printer in the expression accordion image formation pattern, and Fig. 6 A represents the outlet of balladeur train, and Fig. 6 B represents the loop of balladeur train.
The specific embodiment
Below, the image processing system that present invention will be described in detail with reference to the accompanying and the preferred embodiment of image forming method.Thereby the ink-jet printer of embodiment is by making its curing at the image processing system of the image of the texture of the coarse shape of medium formation, gloss, accordion as the drop ejection and facing to the ultraviolet hardening China ink irradiation ultraviolet radiation that drops on the medium in the ultraviolet hardening China ink.In addition, in institute's drawings attached, for Reference numeral identical or that the considerable part mark is identical.
Fig. 1 is the figure of structure of the inkjet printer system of the expression ink-jet printer that contains embodiment.As shown in Figure 1, inkjet printer system 10 is made of external device (ED)s 20 such as the ink-jet printer 1 of present embodiment and computers.And, externally install and be assembled with application program 21 and RIP(Raster Image Processor on 20, raster image processor) 22, this application program 21 is used for creating the view data of the image that utilizes ink-jet printer 1 formation, and this RIP22 generates the printed data that utilizes ink-jet printer 1 to print for according to this view data.
Fig. 2 is the skeleton diagram of the ink-jet printer of expression embodiment.As shown in Figure 2, the ink-jet printer 1 of present embodiment comprises: balladeur train 2, and it can move back and forth at scanning direction S; Head unit 3, it is equipped on balladeur train 2, and is equipped with a plurality of ink guns 6; Ultraviolet lamp 4, it is equipped on balladeur train 2, and is configured in S the place ahead, scanning direction of head unit 3; Ultraviolet lamp 5, it is equipped on balladeur train 2, and is configured in the S rear, scanning direction of head unit 3; And control part 8, it is used for control balladeur train 2, ink gun 6, ultraviolet lamp 4 and ultraviolet lamp 5.And, this ink-jet printer 1 to the each medium of carrying by width extent of the direction of feed F of scanning direction S phase quadrature, in addition, balladeur train 2 is moved and from ink gun 6 ejection ultraviolet hardenings China ink along scanning direction S, and carry out from the scanning of ultraviolet lamp 4 and ultraviolet lamp 5 irradiation ultraviolet radiations, thereby form image at medium.In addition, the present invention does not limit by number, in the present embodiment, as an example, has illustrated with the action of the printing in the situation of printing by printing zone at twice.That is, the nozzle columns with ink gun 6 is described as a conveying capacity of medium and the printing action that scans in the situation of printing identical printing zone with twice (by number) divided by 2 width that get (passing through width) of conduct by number.
Balladeur train 2 is retained as the top of the platen (not shown) at pumped (conveying) medium and can moves at the guide rail (not shown) that extends along scanning direction S.And, be equipped with the driving mechanisms (not shown) such as CD-ROM drive motor at balladeur train 2, utilize the driving of this driving mechanism, balladeur train 2 can carry out moving back and forth along the scanning direction S of guide rail.In addition, driving mechanism need not to carry on balladeur train 2, also can be used as the member that is independent of balladeur train 2 and carries on ink-jet printer 1.The driving control of the balladeur train 2 that is undertaken by control part 8 described later in this case, becomes carry the driving control of the driving mechanism on ink-jet printer 1 as being independent of the member of balladeur train 2.
Head unit 3 is the ink discharge devices that are assembled with a plurality of ink gun 6(6a for ejection ultraviolet hardening China ink～6f).In addition, because head unit 3 carries on balladeur train 2, when therefore moving in the movement of following balladeur train 2 and to scanning direction S, can spray ultraviolet hardenings China ink from each ink gun 6.And ink gun 6a～ink gun 6f is arranged side by side along scanning direction S, and on the S of scanning direction from the place ahead towards the rear arranged sequentially with ink gun 6a, ink gun 6b, ink gun 6c, ink gun 6d, ink gun 6e and ink gun 6f.
Be formed with a plurality of nozzles (not shown) that spray as drop for the ultraviolet hardening China ink at each ink gun 6.These a plurality of nozzles form the nozzle rows of arranging in the mode of extending along direction of feed F.And, from the coloured ultraviolet hardening China ink of the ink gun 6a that is configured in S front side, scanning direction～ink gun 6d ejection (below be also referred to as " color ink "), the ultraviolet hardening China ink that has light transmission from the ink gun 6e that is configured in scanning direction S rear side and ink gun 6f ejection (below be also referred to as " transparent China ink ").If specifically describe, spray the color ink of black (K) from the nozzle rows of ink gun 6a.Spray the color ink of yellow (Y) from the nozzle rows of ink gun 6b.Spray the color ink of cyan (C) from the nozzle rows of ink gun 6c.Spray the color ink of magenta (M) from the nozzle rows of ink gun 6d.In addition, each nozzle rows from ink gun 6e and ink gun 6f sprays transparent China ink (CL).
And, only from be formed on for the nozzle rows on the ink gun 6a～ink gun 6d of ejection color ink, be configured in the nozzle rows ejection color ink of the regional A1 of the first ejection of latter half at direction of feed F, and can be from be configured in the nozzle rows ejection color ink of first half at direction of feed F.On the other hand, only spray transparent China ink and can not spray transparent China ink from the nozzle rows that is configured in latter half at direction of feed F from being formed on for the nozzle rows nozzle rows of the ink gun 6e that sprays transparent China ink and ink gun 6f, that be configured in the regional A2 of the second ejection of first half at direction of feed F.Therefore, for the medium of carrying along direction of feed F, at first, the color ink that sprays from the regional A 1 of the first ejection of ink gun 6a～ink gun 6d is coated on the surface of medium, afterwards, after direction of feed F has carried medium, the transparent China ink that sprays regional A2 ejection from second of ink gun 6e and ink gun 6f is coated on the surface (upper strata) of color ink.
In addition, first the ejection regional A 1 each ink gun 6, be that ink gun 6a～ink gun 6d is corresponding with described the first ink jet component of claims respectively, second the ejection regional A2 each ink gun 6, be that ink gun 6e and ink gun 6f are corresponding with described the second ink jet component of claims respectively.
Ultraviolet lamp 4 is the ultraviolet lamps that this ultraviolet hardening China ink solidified to being coated on the ultraviolet hardening China ink irradiation ultraviolet radiation on the medium.Ultraviolet lamp 4 as the main composition key element, penetrates ultraviolet ray by lighting UVLED with ultraviolet LED (hereinafter referred to as " UVLED "), stops ultraviolet ejaculation by extinguishing UVLED.And ultraviolet lamp 4 makes UVLED towards the direction of the platen (not shown) that supplies medium transport,, stops to the medium irradiation ultraviolet radiation by extinguishing UVLED to the medium irradiation ultraviolet radiation that is transported on the platen by lighting UVLED.In addition, because ultraviolet lamp 4 carries on balladeur train 2, penetrate ultraviolet ray in the time of therefore can moving back and forth in the movement of following balladeur train 2 and to scanning direction S.
Identical with ultraviolet lamp 4, ultraviolet lamp 5 is the ultraviolet lamps that this ultraviolet hardening China ink solidified to being coated on the ultraviolet hardening China ink irradiation ultraviolet radiation on the medium.Ultraviolet lamp 5 as the main composition key element, penetrates ultraviolet ray by lighting UVLED with ultraviolet LED (hereinafter referred to as " UVLED "), stops ultraviolet ejaculation by extinguishing UVLED.And ultraviolet lamp 5 makes UVLED towards the direction of the platen (not shown) that supplies medium transport,, stops to the medium irradiation ultraviolet radiation by extinguishing UVLED to the medium irradiation ultraviolet radiation that is transported on the platen by lighting UVLED.In addition, because ultraviolet lamp 5 carries on balladeur train 2, penetrate ultraviolet ray in the time of therefore can moving back and forth in the movement of following balladeur train 2 and to scanning direction S.
Control part 8 carries out the printing control of ink-jet printer 1 by unified control balladeur train 2, ink gun 6, ultraviolet lamp 4 and ultraviolet lamp 5.The accordion image of image that the gloss image that the coarse shape image that this control part 8 can optionally switch the image of the texture that forms coarse shape forms pattern, form the image with reflecting feel forms pattern and forms the texture of accordion forms pattern.In addition, image forms the selection of pattern and can carry out according to the printed data from the transmission of RIP22, also can carry out according to the setting of ink-jet printer 1.And, control part 8 forms pattern according to selected image, by the driving control of carrying out balladeur train 2, the ink-jet control of ink gun 6 and the ultraviolet ray irradiation control of ultraviolet lamp 4 and ultraviolet lamp 5, can form respectively the image of the texture of the image of the texture of coarse shape, the image with reflecting feel and accordion.In addition, the computer that control part 8 for example constitutes to contain CPU, ROM, RAM is as main body, and each control of control part 8 described later is by reading predetermined computer software at CPU, RAM and based on the control of CPU is moved to realize.
At this, the function of above-mentioned RIP22 is described.
RIP22 is based on the view data of the EPS form of utilizing application program 21 to create, TIFF form etc., generate to be used for utilizing the printed data of the some form that ink-jet printer 1 prints, and this printed data is sent and forms image at ink-jet printer 1 to ink-jet printer 1.This printed data by for the ejection of the ultraviolet hardening China ink of the image of each predetermined exploring degree spacing whether, ejection number of times of ultraviolet hardening China ink, the spray volume of ultraviolet hardening China ink etc. consist of.And this printed data is associated with ink gun 6a～ink gun 6f respectively, and each pixel of printed data is associated with each nozzle (not shown) of the first regional A1 of ejection and the regional A2 of the second ejection.
Usually, this RIP22 generates and makes the ultraviolet hardening China ink spray the printed data of China ink in all pixels, but processing is rejected at the interval that also can carry out the one part of pixel of interval rejecting printed data.It is to make the ejection of ultraviolet hardening China ink whether from changing to the processing of nothing for predetermined pixel that processing is rejected at the interval.In addition, the predetermined pixel that is spaced apart rejecting can utilize predetermined mask to specify, and also can utilize random number, predetermined formula etc. to specify.In addition, this interval is rejected and is processed and can carry out after generating printed data, also can carry out when generating printed data.
At this, as an example, use to form the printed data that printing concentration is 100% image for all pixels ejection ultraviolet hardenings China inks, illustrate that the interval rejects processing.In this case, if carry out interval rejecting processing printed data before owing to keeping, then whether the ejection of ultraviolet hardening China ink has been set in all pixels, and it is black therefore can to spray ultraviolet hardenings for all pixels.Therefore, if ink gun 6e and the ink gun 6f ultraviolet hardening China ink that spray 100% concentration of the printed data before for example reject processing according to the interval from the regional A2 of the second ejection, then printing concentration becomes 200%, and it is roughly even that the drop density of ultraviolet hardening China ink becomes.Relative therewith, reject to process if carry out the interval, then since the ejection of ultraviolet hardening China ink whether for the one part of pixel in the printed data from changing to nothing, can not spray the ultraviolet hardening China ink for one part of pixel.Therefore, if reject the printed data of processing from the regional A2 ejection of the second ejection ultraviolet hardening China ink according to having carried out the interval, then owing to the ultraviolet hardening China ink to the medium ejection can not spray one part of pixel, therefore print concentration less than 200%, the drop density of ultraviolet hardening China ink becomes inhomogeneous.
And RIP22 forms in the situation of image of coarse shape and the glossiness texture of tool ink-jet printer 1, with the printed data former state that generates be sent to ink-jet printer 1.On the other hand, RIP22 is in the situation of the image of the texture that makes ink-jet printer 1 formation accordion, as the printed data that is associated with the regional A 1 of the first ejection, with the printed data former state that generates be sent to ink-jet printer 1, as with the printed data that is associated of the regional A2 of the second ejection, will carry out the interval and reject the printed data processed (not can from being spaced apart the printed data of the one part of pixel ejection ultraviolet hardening China ink of having rejected) and be sent to ink-jet printer 1.
And, control part 8 about ink-jet printer 1, if select coarse shape image to form pattern, then at least one of the outlet of balladeur train 2 and loop, from the first regional A 1 of ejection and the regional A2 ejection of the second ejection ultraviolet hardening China ink, and one from ultraviolet lamp 4 and ultraviolet lamp 5, that be configured in the moving direction rear of balladeur train 2 at least penetrates ultraviolet ray according to the printed data that sends from RIP22.In addition, in the present embodiment, be made as on the both direction in the outlet of balladeur train 2 and loop that both penetrate ultraviolet ray from ultraviolet lamp 4 and ultraviolet lamp 5.
In addition, about control part 8, form pattern if be chosen as the gloss image, then according to the printed data that sends from RIP22 and on the outlet of balladeur train 2 from the first regional A1 of ejection and the regional A2 ejection of the second ejection ultraviolet hardening China ink, and on the loop of balladeur train 2, penetrate ultraviolet ray from least one of ultraviolet lamp 4 and ultraviolet lamp 5.In addition, in the present embodiment, ink-jet printer 1 is made as on the loop of balladeur train 2 device that ultraviolet ray is only penetrated from ultraviolet lamp 4.
In addition, about control part 8, form pattern if be chosen as the accordion image, then spray regional A1 and second on the outlet of balladeur train 2 change spray volume ground from first according to the printed data that sends from RIP22 and spray regional A2 ejection ultraviolet hardening China ink, and at least one ejaculation from ultraviolet lamp 4 and ultraviolet lamp 5 is ultraviolet on the loop of balladeur train 2.In addition, in the present embodiment, be made as according to utilizing RIP22 to carry out the interval and reject the printed data of processing and on the outlet of balladeur train 2, spray the ultraviolet hardening China ink from the regional A2 of the second ejection, and on the loop of balladeur train 2, only penetrate ultraviolet ray from ultraviolet lamp 4.
Then, with reference to the action of Fig. 3 A and Fig. 3 B explanation ink-jet printer 1.Fig. 3 A and Fig. 3 B are the figure of the action case of the ink-jet printer in the coarse shape image formation pattern of expression, and Fig. 3 A represents the outlet of balladeur train, and Fig. 3 B represents the loop of balladeur train.Fig. 4 A and Fig. 4 B are the figure of the action case of the ink-jet printer in the expression gloss image formation pattern, and Fig. 4 A represents the outlet of balladeur train, and Fig. 4 B represents the loop of balladeur train.Fig. 5 A and Fig. 5 B are the figure of the action case of the ink-jet printer in the expression accordion image formation pattern, and Fig. 5 A represents the outlet of balladeur train, and Fig. 5 B represents the loop of balladeur train.In addition, the action of the printing of illustrated ink-jet printer 1 below is to utilize the control of control part 8 to carry out.That is, in control part 8, the handling part (not shown) that is made of CPU etc. is according to the program that is recorded in the storage device such as R OM, unified control balladeur train 2, ink gun 6, ultraviolet lamp 4 and ultraviolet lamp 5, thus carry out following processing.
At first, with reference to Fig. 3 A and Fig. 3 B, the situation of having selected coarse shape image to form pattern is described.
In coarse shape image formation pattern, at first, RIP22 generates printed data according to the view data of utilizing application program 21 to generate.At this moment, RIP22 does not carry out the interval rejecting processing of printed data.And RIP22 is sent to ink-jet printer 1 with this printed data.On the other hand, if ink-jet printer 1 is obtained the printed data that sends from RIP22, balladeur train 2 is moved back and forth at scanning direction S, thereby scan.
And, as shown in Figure 3A, at balladeur train 2 on the outlet of the balladeur train 2 that forward on the S of scanning direction moves, drive the first regional A1 of ejection and the regional A2 of the second ejection, make the drop of ultraviolet hardening China ink from the first regional A1 of ejection and the regional A2 ejection of the second ejection, and light ultraviolet lamp 4 and ultraviolet lamp 5.So, spray ultraviolet hardening China ink and then illuminated ultraviolet ray from ultraviolet lamp 4 and ultraviolet lamp 5 ejaculations after land are on medium of the droplet-like of regional A2 ejection from the first regional A1 of ejection and second.Its result because land solidified before smoothing at the ultraviolet hardening China ink of the droplet-like on the medium, so the surface form concavo-convex, thereby form the image of the coarse shape of diverging light.
On the other hand, shown in Fig. 3 B, identical with the outlet of balladeur train 2, at balladeur train 2 on the S of scanning direction oppositely on the loop of mobile balladeur train 2, drive the first regional A1 of ejection and the regional A2 of the second ejection, make the drop of ultraviolet hardening China ink from the first regional A1 of ejection and the regional A2 ejection of the second ejection, and light ultraviolet lamp 4 and ultraviolet lamp 5.Thus, identical with the outlet of balladeur train 2, forming the surface is the image of coarse shape.
Then, selected the gloss image to form the situation of pattern with reference to Fig. 4 A and Fig. 4 B explanation.In gloss image formation pattern, at first, RIP22 generates printed data according to the view data of utilizing application program 21 to generate.
At this moment, RIP22 becomes respectively 1400pg/mm with the spray volume from the single pass (1pass) of the ultraviolet hardening China ink (transparent China ink) of the second ejection ink gun 6e of regional A2 and ink gun 6f ejection 2～3400pg/mm 2Mode generate printed data.Therefore, the total spray volume from the ultraviolet hardening China ink of ink gun 6e and ink gun 6f ejection becomes 2800pg/mm 2～6800pg/mm 2And then, forming with many pass in the situation of images, become 1400pg/mm from each total spray volume of the ultraviolet hardening China ink of ink gun 6e and ink gun 6f ejection 2～3400pg/mm 2The pass several times.For example, forming with 12pass in the situation of image, the ultraviolet hardening China ink from ink gun 6e and ink gun 6f ejection becomes 1400pg/mm respectively 2～3400pg/mm 212 times 16.8ng/mm 2～40.8ng/mm 2If, merge from the ultraviolet hardening China ink of ink gun 6e and ink gun 6f ejection, then become 33.6ng/mm 2～81.6ng/mm 2In addition, the method that is used for making the spray volume of the ultraviolet hardening China ink of per unit area to increase can be any means, for example, can enumerate by the translational speed that reduces balladeur train 2 and make the method that increases from the drop amount of each drop of ink gun 6e and ink gun 6f ejection, improve method from the ejection density of the drop of ink gun 6e and ink gun 6f ejection, increase the method for the quantity of carrying the ink gun on the regional A2 of the second ejection etc.In addition, suitably set this spray volume from the ultraviolet hardening China ink (color ink) of ink gun 6a～ink gun 6d ejection according to formed coloured image.
And the interval that RIP22 does not carry out printed data is sent to ink-jet printer 1 with this printed data with rejecting processing.On the other hand, if ink-jet printer 1 is obtained the printed data that sends from RIP22, balladeur train 2 is moved back and forth at scanning direction S, thereby scan.
And, shown in Fig. 4 A, at balladeur train 2 on the outlet of the balladeur train 2 that forward on the S of scanning direction moves, drive the first regional A1 of ejection and the regional A2 of the second ejection, from the drop of the first regional A1 of ejection and the regional A2 ejection of the second ejection ultraviolet hardening China ink, and extinguish ultraviolet lamp 4 and ultraviolet lamp 5.At this moment, carry out the ink-jet control of ink gun 6e and ink gun 6f, so that the spray volume from the single pass (1pass) of the transparent China ink of the ink gun 6e of the regional A2 of the second ejection and ink gun 6f ejection becomes respectively 1400pg/mm 2～3400pg/mm 2Mode.Therefore, the total spray volume from the ultraviolet hardening China ink of ink gun 6e and ink gun 6f ejection becomes 2800pg/mm in single pass (1pass) 2～6800pg/mm 2So,, after land are on medium, spread and sink in out and the thickness attenuation at medium gradually from the ultraviolet hardening China ink of the droplet-like of the regional A2 of the second ejection ejection, thus the concavo-convex smoothing on surface.And, because total spray volume of ultraviolet hardening China ink forms 2800pg/mm 2～6800pg/mm 2, the drop density of ultraviolet hardening China ink is higher, therefore is easy to produce contact and mix between adjacent drop, thereby promotes smoothing.
On the other hand, shown in Fig. 4 B,, stop the driving of the first regional A1 of ejection and the regional A2 of the second ejection and stop the ejection of ultraviolet hardening China ink on the S of scanning direction oppositely on the loop of mobile balladeur train 2 at balladeur train 2, light ultraviolet lamp 4, and extinguish ultraviolet lamp 5.So, ultraviolet hardening China ink irradiation ultraviolet radiation and the ultraviolet hardening China ink of land on medium solidifies although spray to the outlet at balladeur train 2, but in during irradiation ultraviolet radiation after the outlet of balladeur train 2 ejection ultraviolet hardening China ink until on the loop of balladeur train 2, the ultraviolet hardening China ink fully smoothing of land on medium.And, since ultraviolet hardening China ink so with smoothing state be cured, therefore be formed with the image with reflecting feel.
Then, selected the accordion image to form the situation of pattern with reference to Fig. 5 A and Fig. 5 B explanation.In accordion image formation pattern, at first, RIP22 generates printed data according to the view data of utilizing application program 21 to generate.At this moment, RIP22 carries out interval rejecting processing for the printed data that is associated with the regional A2 of the second ejection.Then, RIP22 is sent to ink-jet printer 1 with this printed data.On the other hand, if ink-jet printer 1 is obtained the printed data that sends from RIP22, balladeur train 2 is moved back and forth at scanning direction S, thereby scan.
Then, shown in Fig. 5 A, at balladeur train 2 on the outlet of the balladeur train 2 that forward on the S of scanning direction moves, drive the regional A1 of the first ejection, according to the drop of printed data from the regional A1 ejection of the first ejection ultraviolet hardening China ink, drive the regional A2 of the second ejection, according to the drop of the printed data after the rejecting processing of interval from the regional A2 ejection of the second ejection ultraviolet hardening China ink, and extinguish ultraviolet lamp 4 and ultraviolet lamp 5.So, reject pixel from the second ejection regional A2 interval and spray the drop of ultraviolet hardening China ink, can not spray the ultraviolet hardening China ink for being spaced apart the pixel of having rejected.And identical with gloss image formation pattern, the ultraviolet hardening China ink that sprays the droplet-like of regional A2 ejection from the first regional A1 of ejection and second is spread and sunk in out the thickness attenuation gradually at medium after land are on medium.At this moment, because can be from the regional A2 of the second ejection, be spaced apart the pixel ejection ultraviolet hardening China ink of having rejected but become the perforate state, therefore the drop density of the ultraviolet hardening China ink on the medium is by uneven homogenize, and the smoothness of ultraviolet hardening China ink also becomes inhomogeneous according to the position difference.Therefore, on one side that the smoothing on one side of the ultraviolet hardening of the droplet-like of land on medium China ink produces is suitable concavo-convex.
On the other hand, shown in Fig. 5 B,, stop the driving of the first regional A1 of ejection and the regional A2 of the second ejection and stop the ejection of ultraviolet hardening China ink on the S of scanning direction oppositely on the loop of mobile balladeur train 2 at balladeur train 2, light ultraviolet lamp 4 and extinguish ultraviolet lamp 5.So, although in the ejection of the outlet of balladeur train 2 and land on medium ultraviolet hardening China ink irradiation ultraviolet radiation and the ultraviolet hardening China ink is solidified, but during irradiation ultraviolet radiation after the outlet of balladeur train 2 ejection ultraviolet hardening China ink until on the loop of balladeur train 2, Yi Bian that smoothedization of ultraviolet hardening China ink one side produces is suitable concavo-convex.And, because the ultraviolet hardening China ink so solidifies to have produced suitable concavo-convex state, therefore form the image of the texture of accordion.
So, according to present embodiment, coarse shape image forms pattern, the gloss image forms pattern and the accordion image forms pattern by optionally switching, according to the regional A1 of each image formation pattern control the first ejection, the second ejection regional A2, ultraviolet lamp 4 and ultraviolet lamp 5, the kind that need not to change the ultraviolet hardening China ink just can be with the image of the texture of the coarse shape of a kind of ultraviolet hardening China ink formation, gloss, accordion.
And, selecting coarse shape image to form in the situation of pattern, by spraying the ultraviolet hardening China ink from the first regional A1 of ejection and the regional A2 of the second ejection, can improve image and form speed.In addition, having selected the gloss image to form in the situation of pattern, by increasing the spray volume of the ultraviolet hardening China ink in the single pass, can promote the smoothing of ultraviolet hardening China ink.In addition, selecting the accordion image to form in the situation of pattern, spraying the ultraviolet hardening China ink by rejecting pixel from the regional A2 of the second ejection interval, can make the uneven homogenize of drop density of the ultraviolet hardening China ink of the droplet-like of land on medium.Thus, while because that the ultraviolet hardening China ink smoothing of the droplet-like of land on medium is produced is suitable concavo-convex, therefore can suitably form the image of accordion.
In addition, selecting the gloss image to form in the situation of pattern, because by will be in single pass increasing to per unit area 1400pg/mm from the spray volume of the ultraviolet hardening China ink of each ink gun 6 ejection of the regional A2 of the second ejection that is configured in scanning direction S rear 2～3400pg/mm 2, make the drop of the adjacent ultraviolet hardening China ink of land on medium be easy to each other mix, therefore can promote the smoothing of ultraviolet hardening China ink.Thus, in the reciprocal process of balladeur train, can make fully the concavo-convex smoothing of the ultraviolet hardening China ink of land on medium.
And then, because by in ultraviolet lamp 4 and ultraviolet lamp 5, using UVLED, can switch at high speed the ON/OFF of ultraviolet ray irradiation, therefore need not to be arranged on use and can't switch at high speed the special device of shutter required in the situation of metal halide lamp etc. of ON/OFF of ultraviolet ray irradiation etc., just ultraviolet ray can be only when the needs irradiation ultraviolet radiation, penetrated, thereby energy-saving can be sought.
More than, illustrated preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment.For example, in the above-described embodiment, outlet and loop ejection ultraviolet hardening China ink at balladeur train 2 have been described in coarse shape image formation pattern, but for example shown in Fig. 6 A and Fig. 6 B, also can be made as any one the ejection ultraviolet hardening China ink in outlet and loop.In this case, at balladeur train 2 on the outlet of the balladeur train 2 that forward on the S of scanning direction moves, as shown in Figure 6A, drive the first regional A1 of ejection and the regional A2 of the second ejection, from the drop of the first regional A1 of ejection and the regional A2 ejection of the second ejection ultraviolet hardening China ink, and light ultraviolet lamp 4 and ultraviolet lamp 5.On the other hand,, on the loop of the balladeur train 2 that oppositely moves on the S of scanning direction, shown in Fig. 6 B, stop the driving of the first regional A1 of ejection and the regional A2 of the second ejection, and light ultraviolet lamp 4 and ultraviolet lamp 5 at balladeur train 2.In addition, irradiation ultraviolet radiation is in order to promote the curing of ultraviolet hardening China ink on the loop of balladeur train 2, therefore also special irradiation ultraviolet radiation on the loop of balladeur train 2.
In addition, in the above-described embodiment, illustrated in accordion image formation pattern, reject processing and spray the ultraviolet hardening China ink by control part 8 intervals rejecting pixel and from the regional A2 of the second ejection by the interval of carrying out printed data at RIP22, still also can be made as the interval rejecting of in control part 8, carrying out printed data and process.
In addition, in the above-described embodiment, illustrated in accordion image formation pattern, by rejecting the drop that pixel sprays the ultraviolet hardening China ink from the regional A2 of the second ejection interval, thereby make from the spray volume variation of the ultraviolet hardening China ink of ink gun 6 ejections, change but also can utilize any parts to make from the second spray volume that sprays the ultraviolet hardening China ink of regional A2 ejection.For example, also can be made as the spray volume increase and decrease of the ultraviolet hardening China ink that makes in each pixel.
In addition, in the above-described embodiment, illustrated that the regional A1 of the first ejection that will spray color ink on direction of feed F is made as the nozzle rows of latter half, the regional A2 of the second ejection that will spray transparent China ink on the direction of feed F of ink gun 6 is made as the nozzle rows of first half, but also the first regional A1 of ejection and second can be sprayed the whole zone that regional A2 is made as nozzle rows.In this case, because the first regional A1 of ejection and the regional A2 of the second ejection are in same position at direction of feed F, therefore separately carry out the ejection of color ink and the ejection of transparent China ink.That is, at first, to direction of feed F pumped (conveying) medium, from the first ejection regional A1 ejection color ink and the printing color image afterwards, once returns medium.Then, again to direction of feed F pumped (conveying) medium, regional A2 sprays transparent China ink from the second ejection, at the transparent China ink of surface-coated of coloured image.On the other hand, inferior in the situation that is printed with coloured image, need not in the situation of printing color image, be not from the regional A1 of the first ejection ejection color ink, but from the regional A2 of the second ejection, be the transparent China ink of whole zone ejection of the nozzle rows ink gun 6e and the ink gun 6f.
In addition, in the above-described embodiment, illustrated only black from the first regional A1 of ejection and the regional A2 ejection of the second ejection ultraviolet hardening of ink gun 6, for example, also can be made as zone ejection from the nozzle rows of ink gun 6a～ink gun 6d, that be configured on the first half at direction of feed F is color ink below the 5 volume % with respect to the transparent China ink from the regional A2 ejection of the second ejection.Thus, owing in single pass, in transparent China ink, mix color ink below the 5 volume %, therefore can form the filming of transparent China ink of colorize.
In addition, in the above-described embodiment, illustrated from each ink gun 6 only to spray a kind of China ink, but also can form the multiple row nozzle rows and change the kind of the China ink of ejection for every row nozzle rows at scanning direction S.In addition, illustrated on head unit 3 with every look only one group mode carry the ink gun of ejection color ink, carry ink gun but also can be made as in the modes of every look many groups.
In addition, in the above-described embodiment, do not specify especially from the forward of balladeur train 2 and move the action that switches to reverse movement, but such as selecting the gloss image to form in the situation of pattern, also being simultaneously because of interaction between medium and the China ink etc. fully in the situation of smoothing, also can be after the forward mobile end of balladeur train 2, in standby begin reverse movement after the scheduled time.Thus, because the ultraviolet hardening China ink is is further spread and sunk in out, therefore can further promote smoothing.
In addition, in the above-described embodiment, illustrated to print by printing zone at twice, but do not limited by number.For example, in the situation of printing by printing zone with minutes 12 times, to with the nozzle rows of ink gun 6 divided by as by the conveying capacity of the 12 several width that get (passing through width) as medium, print identical printing zone with the scanning of 12 times (by numbers).
In addition, in the above-described embodiment, illustrated as ultraviolet lamp and used UVLED, but so long as can to ultraviolet hardening China ink irradiation ultraviolet radiation, just can use any device such as metal halide lamp.In addition, in the situation of using metal halide lamp, by the switching device of shutter and shutter is set, can select having or not of ultraviolet irradiation.

Claims (6)

1. image processing system, thus it is used for that ejection forms image at recording medium as drop with the ultraviolet hardening China ink, it is characterized in that,
This image processing system comprises:
Ink jet component, it carries on the balladeur train that can move back and forth in the scanning direction, and is used for ejection ultraviolet hardening China ink;
The ultraviolet ray irradiation part, it carries on above-mentioned balladeur train and is configured at least the rear, scanning direction of above-mentioned ink jet component, and to the ultraviolet hardening China ink irradiation ultraviolet radiation from above-mentioned ink jet component ejection; And
Control assembly, it is used for controlling above-mentioned ink jet component and above-mentioned ultraviolet irradiation part;
Above-mentioned control assembly can optionally switch following pattern:
Coarse shape image forms pattern, at least one of the outlet of above-mentioned balladeur train and loop, makes above-mentioned ink jet component ejection ultraviolet hardening China ink, and from above-mentioned ultraviolet irradiation part irradiation ultraviolet radiation;
The gloss image forms pattern, on the outlet of above-mentioned balladeur train, makes above-mentioned ink jet component ejection ultraviolet hardening China ink, and on the loop of above-mentioned balladeur train from above-mentioned ultraviolet irradiation part irradiation ultraviolet radiation; And
The accordion image forms pattern, on the outlet of above-mentioned balladeur train, make above-mentioned ink jet component change spray volume and spray the ultraviolet hardening China ink, and on the loop of above-mentioned balladeur train from above-mentioned ultraviolet irradiation part irradiation ultraviolet radiation.
2. image processing system according to claim 1 is characterized in that,
Above-mentioned ink jet component comprises the first ink jet component and is configured in second ink jet component at the rear, scanning direction of above-mentioned the first ink jet component.
3. image processing system according to claim 2 is characterized in that,
State in the choice in the situation of accordion image formation pattern, above-mentioned control part makes above-mentioned the second ink jet component interval reject pixel and sprays the ultraviolet hardening China ink.
4. according to claim 2 or 3 described image processing systems, it is characterized in that,
State in the choice in the situation that the gloss image forms pattern, the spray volume in the single pass of the ultraviolet hardening China ink that above-mentioned control part will be sprayed by above-mentioned the second ink jet component is made as 1400p g/mm 2～3400p g/mm 2
5. image processing system according to claim 1 is characterized in that,
Above-mentioned ultraviolet irradiation part has ultraviolet LED.
6. image forming method, it utilizes following image processing system to form image at recording medium, this image processing system comprises: ink jet component, and it carries on the balladeur train that can move back and forth in the scanning direction, and is used for the ultraviolet hardening China ink is sprayed as drop; The ultraviolet ray irradiation part, it carries on above-mentioned balladeur train and is configured in the rear, scanning direction of above-mentioned ink jet component, and to the ultraviolet hardening China ink irradiation ultraviolet radiation from above-mentioned ink jet component ejection; And control assembly, it is used for controlling above-mentioned ink jet component and above-mentioned ultraviolet irradiation part; It is characterized in that,
In the situation of the image that forms coarse shape, make above-mentioned ink jet component ejection ultraviolet hardening China ink at least one of the outlet of above-mentioned balladeur train and loop, and from above-mentioned ultraviolet irradiation part irradiation ultraviolet radiation,
Have in formation in the situation of image of reflecting feel, on the outlet of above-mentioned balladeur train, make above-mentioned ink jet component ejection ultraviolet hardening China ink, on the loop of above-mentioned balladeur train, from above-mentioned ultraviolet irradiation part irradiation ultraviolet radiation,
In the situation of the image that forms accordion, on the outlet of above-mentioned balladeur train, make above-mentioned ink jet component change spray volume and spray the ultraviolet hardening China ink, on the loop of above-mentioned balladeur train, from above-mentioned ultraviolet irradiation part irradiation ultraviolet radiation.
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