CN101734019B - Ink-jet printer - Google Patents
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- CN101734019B CN101734019B CN200910222559A CN200910222559A CN101734019B CN 101734019 B CN101734019 B CN 101734019B CN 200910222559 A CN200910222559 A CN 200910222559A CN 200910222559 A CN200910222559 A CN 200910222559A CN 101734019 B CN101734019 B CN 101734019B
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Abstract
The invention provides an ink-jet printer which adopts solvent ink and can vividly print patterns or characters without seepage. The ink-jet printer is provided with a preheater and a printing heater, wherein the preheater heats a medium conveyed below a moving path of a printing head on the rear part of a pressing plate in advance; and the printing heater heats the medium which is sent onto a central part on the pressing plate below the moving path of the printing head and adhered with ink drops jetted from a nozzle of the printing head. Meanwhile, on the surface part of the medium, ink drops which are jetted from the nozzle of the printing head and adhered on the surface of the medium are heated and dried in advance so as to prevent that the ink drops seep into the medium on the periphery of an adhered part in a wider range.
Description
The application be that April 18, application number in 2003 are 03810857.7 the applying date, denomination of invention divides an application for the application of " ink-jet printer ".
Technical field
The present invention relates to following ink-jet printer; It is the China ink (below be called " solvent inkjet ink ") of principal component that this ink-jet printer adopts with the organic solvent; On by recording medium (below abbreviate " medium " as); Pattern or character that printing is formed by the arrangement of a plurality of ink dots; More particularly, the present invention relates to following ink-jet printer, this ink-jet printer can realize printing on the pattern that mainly is used on the medium that display advertisement outside the room that requires resistance to water, weather resisteant uses with, industry or the high image quality property and the photographic fixing stability of character.
Background technology
This ink-jet printer adopts following structures, and is promptly as shown in Figure 4, from and come printhead 14 below nozzle 12, inkjet drop is on medium 30 surfaces that its ink droplet are attached to with being point-like be loaded on the pressing plate 20.Constitute simultaneously, on the surface of these medium 30, print pattern or character that the arrangement by a plurality of ink dots forms.
In this ink-jet printer; There is following difficult point; Promptly; When making ink droplet be attached on the surface of these medium 30, this ink droplet permeates on the medium 30 around the attachment area with the scope of broad with being point-like, and lip-deep pattern that is formed by the arrangement of a plurality of ink dots that prints on these medium 30 or character infiltration take place or blur.
As the ink-jet printer that can eliminate such difficult point, propose to open clear 62-144955 communique just like Japanese Patent Laid, or the printer of that kind of putting down in writing among the Deutsche Bundespatent communique DE10056703C2.
In this printer, as shown in Figure 4, comprise being used in advance preheater 40 that the medium before printing are heated, or be used for after-heater 50 that the medium 30 after printing are heated.In addition; Through this preheater 40, in advance the medium 30 before printing are heated and heating, thus; Make the lip-deep ink droplet of the medium 30 that are attached to this heating dryly as early as possible, and prevent that this ink droplet from permeating in the medium 30 around the attachment area with the scope of broad.In addition, through this after-heater 50, make that the ink droplet of drying regime is not dry as early as possible to the part of the attachment area on the surface that is attached to the medium 30 after the printing, and prevent that this ink droplet from permeating in the medium 30 around the attachment area with the scope of broad.Simultaneously, on the surface of these medium 30, can know and print pattern or the character that the arrangement by a plurality of ink dots of not infiltrating forms brightly.
But; In the ink-jet printer in the past of putting down in writing like these communiques; Following heater (not shown) is not set; This heater heats medium 30, and these medium 30 are sent on the central portion 22 of pressing plate of mobile route below of printhead 14, and adhere to the ink droplet that sprays from the nozzle 12 of printhead.
Its reason is; Under the situation that is provided with such heater; Can pass through this heater, the medium 30 on the central portion 22 of the pressing plate below the mobile route that is sent to printhead 14 are heated, can make the lip-deep ink droplet that is attached to these medium 30 dry as early as possible.But, meanwhile,, cause the printhead 14 that above the central portion 22 of this pressing plate, moves is also heated through this heater.Simultaneously its reason is: receive the influence from the heat of this heater, the China ink that feeds to printhead 14 is dried, this China ink printhead than the nozzle 12 of minor diameter in curing, and cause this nozzle 12 to stop up.
But the ink-jet printer in above-mentioned past in the China ink that feeds to this printhead 14, adopts general water-soluble China ink or lactic acid China ink (lactate ink) specially.But resistance to water, the weather resisteant of so water-soluble China ink or lactic acid China ink are insufficient.For this reason, adopt the printer of so water-soluble China ink or lactic acid China ink to be not suitable for print pattern or character on the medium 30 that display advertisement without uses etc.
On the other hand, be that resistance to water, the weather resisteant of the solvent inkjet ink of principal component is abundant with the organic solvent.Therefore, such solvent inkjet ink is suitable for print pattern or character on the medium 30 that display advertisement without uses etc.But solvent inkjet ink is high to the permeability of medium 30, and in the time of on the surface that this ink droplet is attached to medium 30, the solvent inkjet ink of this ink droplet permeates in the medium 30 around this attachment area with the scope of broad soon and disappears.Thus, on the attachment area on the surface of these medium 30, can't be brightly fixing ink dot, can't be on the surface of these medium 30, pattern or character that not having of printing brightly that arrangement by a plurality of ink dots forms infiltrated.
In addition; People also at the following medium 30 of exploitation, promptly on the surface of these medium 30, apply various coating agents; Make to be attached in the impermeable medium 30 around this attachment area of this lip-deep ink droplet, can this ink droplet be fixed on this attachment area with being less point-like.But, being coated with the medium 30 of such coating agent, price is higher, and can't be used for general widely used medium 30.
In addition, in the medium 30 that display advertisement is used etc. without, can adopt following two kinds of medium; Promptly as the vinyl chloride film,, also cause the film that softens easily even in low-temperature heat; Or as polyester film, even in heat, also be not easy the film that softens.
On the temperature.Thus, if the medium of on the pressing plate 20 of this ink-jet printer, carrying 30 be vinyl chloride film etc., then through preheater 40 or after-heater 50, these medium 30 by superheated to high temperature and cause softening, and these medium 30 of conveying on pressing plate 20 successfully.
Summary of the invention
The object of the present invention is to provide a kind of ink-jet printer that solves like above-mentioned problem; This ink-jet printer adopts solvent inkjet ink, makes the pattern or the character of the high image quality that does not have infiltration with resistance to water, weather resisteant that the arrangement by a plurality of ink dots forms, has photographic fixing stability; And print on the general media surface that is not coated with coating agent etc.; And this inkjet printing can be heated to suitable temperature such as the various medium at low temperature softening etc., and on pressing plate, can successfully carry all the time.
In order to realize such purpose, ink-jet printer of the present invention comprises printing equipment and transport; This printing equipment makes printhead move above the central portion of pressing plate along left and right directions; The medium that this transport will be sent on the above-mentioned pressing plate are carried towards the place ahead on pressing plate.
In addition; Be provided with preheater and print heater; This preheater is in advance to heating at the medium of below the mobile route of printhead, carrying on the rear portion of above-mentioned pressing plate; On the central portion of this print heater to the pressing plate of the mobile route below that is sent to above-mentioned printhead, and adhere to from the medium of the ink droplet of the nozzle ejection of above-mentioned printhead and heat.
The China ink that feeds to the printhead that sprays above-mentioned ink droplet adopts solvent inkjet ink.In addition; Be provided with temperature control equipment; This temperature control equipment is controlled the preheater that adds hot media and the heating-up temperature of print heater, make to be sent on the central portion of above-mentioned pressing plate, and to adhere to from the surface temperature of the above-mentioned medium of the ink droplet of the nozzle ejection of printhead is 40～70 ℃.
In ink-jet printer of the present invention, through such formation, can pass through preheater, in advance the medium of on the rear portion of mobile route below at pressing plate of this printhead, forwards carrying are heated.In addition, be next to this, can pass through print heater, on the central portion to the pressing plate of the mobile route below that is sent to this printhead, and adhere to from the medium of the ink droplet of the nozzle ejection of printhead and heat.Simultaneously, can pass through these preheaters and print heater, these medium are heated, make that the surface temperature adhere to the medium from the central portion that is sent to pressing plate of the ink droplet of the nozzle ejection of printhead is 40～70 ℃.
At this moment, through preheater, after in advance the medium before the central portion that is sent to pressing plate being heated; Be next to this; For through print heater, further the medium on the central portion that is sent to this pressing plate are formally heated, can not surpass or heat reliably insufficiently all the time; Make to be sent on the central portion of this pressing plate, and to adhere to from the surface temperature of the medium of the ink droplet of the nozzle ejection of printhead be 40～70 ℃.
Simultaneously, can be on 40～70 ℃ the surface of medium being heated to its surface temperature exactly, adhere to the ink droplet that the solvent inkjet ink by the nozzle ejection of the printhead that solvent inkjet ink is arranged from supply forms.Simultaneously, can be with the ink droplet that forms by this solvent inkjet ink, do not permeate in the medium around this attachment area, and be point-like ground photographic fixing in being heated under 40～70 ℃ the state of attachment area of media surface with the scope of broad, promptly dry continuously.Simultaneously, on the surface of these medium, can print the pattern or the character of the distinctness that does not have infiltration that forms by the some arrangement of a plurality of solvent inkjet inks with resistance to water, weather resisteant.
At this; The heating-up temperature that makes media surface is 40～70 ℃ reason; Be not enough in the heating-up temperature of media surface under 40 ℃ the situation, the ink droplet that is formed by the lip-deep solvent inkjet ink that is attached to these medium is in the not enough state of heating-up temperature that receives from medium.Its reason is that this ink droplet can not promptly be dried on the surface of medium simultaneously, permeates in the medium around this attachment area with the scope of broad.Its reason is that the pattern or the character that print on this media surface can infiltrate simultaneously.In addition; Its reason is, is higher than under 70 ℃ the situation being heated to this surface temperature, and these medium are when the film of the lower vinyl chloride of softening hear resistance etc. takes place under 45 ℃ and above temperature; Softening degree becomes acutely, can not successfully on pressing plate, carry these medium.In addition; Its reason is, when medium are higher polyester film of heat resisting temperature etc., even in order to be 60 ℃ basically being heated to this surface temperature; Also the conveying on pressing plate does not counteract to these medium; And in order on pressing plate, to carry most medium without barrier, preferably heat these medium, make its surface temperature be up to 70 ℃ and following from the lower medium of these hear resistances to the higher medium of hear resistance.In addition, as, it is that 40～70 ℃ reason is that medium are heated to its surperficial heating-up temperature, according to printer of the present invention, through in fact adopting solvent inkjet ink and the experimental result of print pattern or character derives on the surface of various medium.
In ink-jet printer of the present invention, can the said temperature control device be constituted, can distinguish the heating-up temperature of independent above-mentioned preheater of control and print heater.
In this case; Can be corresponding to medium types or its thickness; And the environment temperature of placement printer etc.; Exactly respectively to the heating-up temperature of the medium on rear portion, carried, and adjusting through the heating-up temperature of the medium on the central portion that is sent to pressing plate of print heater heating at pressing plate through the heating of this preheater.In addition, can will be sent on the central portion of this pressing plate exactly all the time, and adhere to, be heated to temperature required 40～70 ℃ from the temperature of the media surface part of the ink droplet of the nozzle ejection of printhead.
In ink-jet printer of the present invention, the said temperature control device constitutes, and can distinguish the heating-up temperature of integrally controlling above-mentioned preheater and print heater.
In this case, device and the device of heating-up temperature of control print heater of the heating-up temperature of control preheater is not set individually respectively, can correspondingly simplifies temperature control equipment.
In ink-jet printer of the present invention; Feed to the 40 weight % and the above principal component thereof of the solvent inkjet ink of above-mentioned printhead; Preferably by ethylene glycol monobutyl ether (ethylene glycol monobutyl ether), or a kind and above formation in the propylene glycol monomethyl ether (propylene glycol monomethyl ether acetate).
The advantage of these glycol monomethyl butylene ethers or propylene glycol monomethyl ether is, and is little and foul smell is also few to the toxicity of human body.Additional advantage is, burning-point also high and when using danger little.
Thus; If the principal component of solvent inkjet ink adopt in such ethylene glycol monobutyl ether or the propylene glycol monomethyl ether a kind and more than; The influence of the toxicity that then can this solvent inkjet ink be brought to human body is suppressed at less degree; Maybe the foul smell with this solvent inkjet ink is suppressed at less degree, and maybe the danger with the use of this solvent inkjet ink is suppressed at less degree.
In addition; With 40 weight % of solvent inkjet ink and above principal component thereof is that in ethylene glycol monobutyl ether or the propylene glycol monomethyl ether a kind and above reason are: confirmed from various experimental results; If 40 weight % of solvent inkjet ink and above principal component thereof are set as above-mentioned; Then adopt this solvent inkjet ink, can on the surface of medium, have high image quality ground, photographic fixing stability ground and not infiltrate ground print pattern or character.
And; The principal component of the solvent inkjet ink that printer of the present invention adopted be not limited in glycol monomethyl butylene ether or the propylene glycol monomethyl ether a kind and more than; The principal component of the solvent inkjet ink that printer of the present invention adopted also can adopt the solvent of other following kind, have promptly that toxicity to human body is little, foul smell also less and burning-point is high, dangerous little etc. the character of its use.
In ink-jet printer of the present invention,, can obtain changing adjustment through attached guidance panel of printer or the main frame of printing control usefulness by the control of temperature control equipment to the heating-up temperature of the preheater that heats above-mentioned medium and print heater.
Under these circumstances; Can be corresponding to the medium types of on pressing plate, carrying or its thickness; And environment temperature of printer etc. is set; Main frame through attached guidance panel of printer or printer control usefulness changes the heating-up temperature of adjustment according to the temperature control equipment of preheater that adds hot media and print heater.Simultaneously, through transport, can successfully on pressing plate, carry the softening at low temperatures various medium that wait all the time.
In ink-jet printer of the present invention; Preferably include the renewal mode device; This renewal mode device makes above-mentioned printhead move to the maintenance station, and the nozzle examination inkjet drop from this printhead prevents the situation that the above-mentioned solvent inkjet ink in inside solidifies and generation is stopped up at the nozzle of this printhead.
Under these circumstances, can in the process of print pattern or character, adopt and upgrade mode device, make printhead move to the maintenance station, from the nozzle examination inkjet drop of this printhead at the employing solvent inkjet ink.Simultaneously, can prevent to locate the situation that solvent inkjet ink solidifies and takes place to stop up in the nozzle interior of this printhead etc.Simultaneously, can prevent adopt to produce the printhead of this obstruction, on the part that will print on pattern or character on the media surface, produce the situation that sky is got (referring to: on the position that should have ink dot, do not have the state of ink dot) ready.
In addition, in the ink-jet printer with this renewal mode device, preferably this renewal mode device constitutes: make above-mentioned printhead move to the maintenance station at regular intervals, from the nozzle examination inkjet drop of this printhead.
Under these circumstances, every at a distance from adopting solvent inkjet ink the certain hour in the process of print pattern or character, can adopt the renewal mode device, make printhead move to the maintenance station, by the strong hand from the nozzle examination inkjet drop of this printhead.Simultaneously; Can prevent to make printhead move to the maintenance station owing in the process of print pattern or character, neglected to adopt and upgraded mode device adopting solvent inkjet ink; Nozzle examination inkjet drop from this printhead; And in the nozzle interior of this printhead, solvent inkjet ink solidifies, and situation about stopping up takes place this nozzle.
In ink-jet printer of the present invention, drying device preferably is set, this drying device carries out drying to being attached to the ink droplet that passes out to the attachment area of the media surface on the front portion of pressing plate from the below of printhead.
Under these circumstances, through drying device, can the ink droplet of drying regime be fully not dry with a part that is attached to the attachment area that passes out to the media surface on the front portion of pressing plate from the mobile route of printhead below.Simultaneously; Can prevent following situation; That is: be attached on the front portion that is transported to this pressing plate and be the part ink droplet of drying regime not of the attachment area of the media surface on the devices for taking-up that web-like is wound in this pressing plate the place ahead, be attached to other position of medium, and stain this medium.
Description of drawings
Fig. 1 and Fig. 2 are the side sectional view and the front view of the simple structure of expression ink-jet printer of the present invention;
Fig. 3 is expression other the side sectional view of simple structure of ink-jet printer of the present invention;
Fig. 4 is the side sectional view of the simple structure of expression ink-jet printer in the past.
The specific embodiment
Below, according to description of drawings the present invention.
Ink-jet printer illustrated in figures 1 and 2 comprises printing equipment 10 and transport 60; This printing equipment 10 makes printhead 14 move above the central portion 22 of pressing plate along left and right directions (the front-back direction of Fig. 1); This transport 60 will be sent to the medium 30 on the pressing plate 20, on pressing plate 20, carry towards the place ahead.Printhead 14 is for through the structure from nozzle 12 inkjet drops below it, arranged such as piezoelectricity (piezo) mode, and is bearing on the front wheel driving band 16 along left and right directions with can move freely.Transport 60 is by sending roller 62 and pressure roller 64 to constitute, and this send roller 62 and pressure roller 64 according to clamping pressing plate 20, and thereunder is provided with the opposed mode in top.In addition, its structure is: send between roller 62 and the pressure roller 64 through medium 30 being held on this, and make send roller 62 forwards (direction of arrow among Fig. 1) rotation, can the medium 30 that be sent on the pressing plate 20 be carried towards the place ahead on pressing plate 20 thus.
In addition, be provided with preheater 40 and print heater (プ リ Application ト ヒ one タ/Print Heater) 70; 40 pairs of this preheaters are on the rear portion 24 of pressing plate, and towards the mobile route below of printhead 14, the medium of forwards carrying 30 heat in advance; 70 pairs of this print heaters are sent to medium 30 on the central portion 22 of pressing plate of mobile route below of printhead 14, that adhere to the ink droplet that sprays from the nozzle 12 of printhead and heat.The electric heater of pottery or nichrome wire etc. has been adopted in preheater 40 and print heater 70 uses.Preheater 40 is following structures: be arranged at 24 inboards, rear portion of pressing plate, and the heat that this preheater 40 sends is passed through pressing plate 20, pass to the medium of on the rear portion 24 of pressing plate, carrying 30, and in advance these medium 30 are heated.Print heater 70 is following structures: be arranged at central portion 22 inboards of pressing plate, the heat that this print heater 70 is sent passes through pressing plate 20, passes to the medium 30 on the central portion 22 that is sent to pressing plate, and these medium 30 are heated.
The China ink that feeds to the printhead 14 of inkjet drop adopts solvent inkjet ink.
In addition; Be provided with temperature control equipment 80; This temperature control equipment 80 is according to the surface temperature of medium 30 on the central portion that is sent to pressing plate 22, that adhere to the ink droplet that sprays from the nozzle of printhead 12 mode at 30～70 ℃, and control adds the heating-up temperature of the preheater 40 and the print heater 70 of hot media 30.This temperature control equipment 80 is constituted by the sensor of the heating temp that detects preheater 40 and print heater 70 and the circuit of this heating temp of control etc.
At pressing plate 20 rears, be provided with the device 90 that unrolls, this device 90 that unrolls supports with the mode that can unroll and is the medium 30 that web-like is reeled.
In the place ahead of pressing plate 20, be provided with devices for taking-up 100, this devices for taking-up 100 is web-like and batches the intact medium 30 of printing that are sent to its place ahead from the front portion 26 of pressing plate.
Ink-jet printer illustrated in figures 1 and 2 constitutes as above-mentioned; When using this ink-jet printer; The medium 30 that are the web-like coiling on the device 90 that unrolls that is supported on pressing plate 20 rears are unrolled; Through transport 60,, on the rear portion 24 of pressing plate, forwards carry the mobile route below of these medium 30 towards printhead 40.At this moment, through preheater 40, on the rear portion 24 of this pressing plate, the medium 30 below the mobile route of printhead 14, carried heat, and make it be in the heating state in advance.Preheater 40 is used for following situation effectively, and promptly medium 30 are thicker, and it is lower etc. that the environment temperature of printer perhaps is set, and can't only pass through print heater 70, and the medium on the central portion that is sent to pressing plate 22 30 are heated to enough suitable temperature.In addition, be next to this, formally following medium 30 heated once more through print heater 70; These medium 30 are meant; From the rear portion 24 of this pressing plate, be sent on the central portion 22 of pressing plate of mobile route below of printhead 14, through the medium 30 of preheater 40 heating in advance etc.; And adhere to the ink droplet that sprays from the nozzle 12 of printhead, be sent on the central portion 22 of pressing plate.
So; Through these preheater 40 and print heater 70; All the time can not surpass or exactly these medium 30 heated insufficiently, make the surface temperature of adhering to the medium 30 on the central portion 22 ink droplet, that be sent to pressing plate that sprays from the nozzle 12 of printhead at temperature required 30～70 ℃.
Then, on the surface that becomes the medium 30 that temperature required 30～70 ℃ mode heats exactly according to this surface temperature, adhere to the ink droplet that constitutes by solvent inkjet ink that sprays from the nozzle 12 of the printhead that supplies to have solvent inkjet ink.
So; Can be with being attached to this medium 30 lip-deep ink droplets that form by solvent inkjet ink; Do not permeating in the medium 30 around this attachment area with the scope of broad; And be than the point-like of minor diameter ground and be fixed under the state on the attachment area on medium 30 surfaces that are heated to exactly in this scope of 30～70 ℃, dry rapidly continuously.Simultaneously, can be on the surface of these medium 30, print the pattern or the character of the distinctness that does not have infiltration that the arrangement by a plurality of solvent ink dots forms with resistance to water, weather resisteant.
As, printed the pattern that the arrangement by a plurality of solvent ink dots forms or the medium 30 of character in its surface, through transport 60, from the central portion 22 of pressing plate, pass out on the front portion 26 of pressing plate.Simultaneously, these medium 30 are wound on the devices for taking-up 100 in pressing plate 20 the place aheads with being web-like.
In this ink-jet printer, temperature control equipment 80 is preferably following structures, can distinguish the heating-up temperature of controlling preheater 40 and print heater 70 independently.Simultaneously; Preferably; Corresponding to kind or its thickness of medium 30, and the environment temperature of placement printer etc., to the adjustment exactly respectively of following temperature; The i.e. heating-up temperature of the medium of on the rear portion 24 of pressing plate, carrying 30 through 40 heating of this preheater, and the heating-up temperature through the medium 30 on the central portion that is sent to pressing plate 22 of print heater 70 heating.Simultaneously, can make exactly all the time on the central portion 22 that is sent to this pressing plate, and adhere to the temperature of medium 30 surface portions of the ink droplet that sprays from the nozzle of printhead 12, be heated to temperature required 30～70 ℃.
And temperature control equipment 80 can be following structures, can control the heating-up temperature of preheater 40 and print heater 70 respectively with being integral.In addition, also can simplify the structure of this temperature control equipment 80.
In this ink-jet printer, at the solvent inkjet ink that feeds to printhead 14, its 40 weight % and above principal component thereof are preferably: any one in ethylene glycol monobutyl ether, the propylene glycol monomethyl ether, or the composition that is formed by these mixtures of 2 kinds.
In addition, as aforementioned, preferably, the influence that this solvent inkjet ink is given the toxicity of human body is suppressed at less degree, and maybe the foul smell with this solvent inkjet ink is suppressed at less degree, and perhaps the danger with its use is suppressed at less degree.
Meanwhile; As aforementioned, preferably, can be in ethylene glycol monobutyl ether, the propylene glycol monomethyl ether any one with 40 weight % of solvent inkjet ink and above principal component thereof; Or by these mixtures of 2 kinds; And adopt this solvent inkjet ink, on media surface, have high image quality ground print pattern or character that photographic fixing stability is not infiltrated.
Component solvent inkjet ink, beyond the above-mentioned principal component that feeds to this printhead 14 comprise such as; The organic pigment of 3～7 weight % (organic pigment) and 15 weight % and following resin (resin) thereof; In addition; Any one and above solvent (solvent) thereof by following compositions form, and this following composition is meant: glycol monomethyl methyl ether (ethylene glycol monomethyl ether), ethylene glycol monomethyl ether acetate (ethylene glycol monomethyl ether acetate), diethylene glycol monomethyl ether (diethyleneglycol monomethyl ether), diethylene glycol monomethyl ether acetic acid esters (diethylene glycolmonomethyl ether acetate), TC (diethylene glycol monoethylether), diethylene glycol (diethylene glycol), propylene glycol monomethyl ether (propylene glycolmonomethyl ether acetate), propane diols (propylene glycol), cyclohexanone (cyclohexanone) etc.
Organic pigment such as, adopt paratonere (Pigment Red) 88,181,122,202,207,209; Alizarol saphirol (Pigment Blue) 15,15:1,15:2,16,68; Pigment yellow (Pigment Yellow) 108,196,138,128,129,180,181; Or carbon black (Carbon Black) etc.Simultaneously, corresponding to the color of wanting to adopt solvent inkjet ink to print, any 1 and above composition in these organic pigments are made an addition in the solvent inkjet ink.
The resin that makes an addition to solvent inkjet ink adopts: silicone-based resin (silicon-contain resin), vinylite (vinyl resin), ester are resin (ester resin), or fluorine resin (fluorine-contain resin) etc.
Experimental example under the following situation is shown below, and this situation is: through adopting the solvent inkjet ink of such component, and have the ink-jet printer of above-mentioned preheater 40 and print heater 70, print pattern or character on the surface of various medium 30.Each experimental example is and places room temperature to carry out about 15～20 ℃ the indoor of normal temperature state ink-jet printer.Below each table in, the medium heating-up temperature of preheater is illustrated in the heating-up temperature by preheater 40 on medium 30 surfaces of carrying on the rear portion 24 of pressing plate, the medium heating-up temperature of print heater is represented to be sent on the central portion 22 of pressing plate and is adhered to the heating-up temperature by print heater 70 on medium 30 surfaces of the ink droplet that sprays from printhead 14.Image quality in following each table (vividness, infiltration have or not etc.), according to the evaluation of 10 grades, peak is 10 points." OFF " expression in each following table to preheater 40 or print heater 70 energisings, does not stop the state heated to medium 30 by preheater 40 or print heater 70.
Experimental example 1
Medium adopt MacMacrc:9829-00 (trade name of medium manufacturer).
| The medium heating-up temperature of preheater | OFF | 35 |
40℃ | 45℃ | 45℃ | OFF |
| The medium heating-up temperature of print heater | OFF | 35 |
40℃ | 45℃ | OFF | 45℃ |
| Image quality | 4 | 6 | 6 | 6 | 6 | 6 |
Experimental example 2
Medium adopt Transparent PVC Filmt P-245RC:LINTEC (trade name of medium manufacturer).
| The medium heating-up temperature of preheater | OFF | 35 |
40℃ | 45℃ | 45℃ | OFF |
| The medium heating-up temperature of print heater | OFF | 35 |
40℃ | 45℃ | OFF | 45℃ |
| Image quality | 4 | 7 | 7 | 8 | 6 | 7 |
Experimental example 3
Medium adopt PVC Viewcal 880C:LINTEC (trade name of medium manufacturer).
| The medium heating-up temperature of preheater | OFF | 35 |
40℃ | 45℃ | 45℃ | OFF |
| The medium heating-up temperature of print heater | OFF | 35 |
40℃ | 45℃ | OFF | 45℃ |
| Image quality | 2 | 5 | 5 | 6 | 3 | 6 |
Experimental example 4
Medium adopt Tarpaulin SJT-V200F:HIRAOKA (trade name of medium manufacturer).
| The medium heating-up temperature of preheater | OFF | 35 |
40℃ | 45℃ | 45℃ | OFF |
| The medium heating-up temperature of print heater | OFF | 35 |
40℃ | 45℃ | OFF | 45℃ |
| Image quality | 7 | 8 | 8 | 8 | 7 | 8 |
Experimental example 5
Medium adopt MPI2010WHITE/PERM/90:Avery (trade name of medium manufacturer).
| The medium heating-up temperature of preheater | OFF | 35 |
40℃ | 45℃ | 45℃ | OFF |
| The medium heating-up temperature of print heater | OFF | 35 |
40℃ | 45℃ | OFF | 45℃ |
| Image quality | 5 | 8 | 9 | 9 | 8 | 9 |
Experimental example 6
Medium adopt MPI3000/PERM/90:Avery (trade name of medium manufacturer).
| The medium heating-up temperature of preheater | OFF | 35 |
40℃ | 45℃ | 45℃ | OFF |
| The medium heating-up temperature of print heater | OFF | 35 |
40℃ | 45℃ | OFF | 45℃ |
| Image quality | 7 | 8 | 9 | 10 | 9 | 10 |
Experimental example 7
Medium adopt PVC Film P-243RW:LINTEC (trade name of medium manufacturer).
| The medium heating-up temperature of preheater | OFF | 35 |
40℃ | 45℃ | 45℃ | OFF |
| The medium heating-up temperature of print heater | OFF | 35 |
40℃ | 45℃ | OFF | 45℃ |
| Image quality | 7 | 8 | 8 | 8 | 7 | 7 |
Experimental example 8
Medium adopt TACKPAINT:SEKISUI CEMICAL (trade name of medium manufacturer).
| The medium heating-up temperature of preheater | OFF | 35 |
40℃ | 45℃ | 45℃ | OFF |
| The medium heating-up temperature of print heater | OFF | 35 |
40℃ | 45℃ | OFF | 45℃ |
| Image quality | 7 | 7 | 8 | 8 | 8 | 8 |
According to each table shown in these experimental examples 1～8; Can know: if through preheater 40; Medium 30 to print pattern or character heat in advance; Or through print heater 70, the medium 30 that adhere to the ink droplet that sprays from printhead 14 are heated, then print on the lip-deep pattern of these medium 30 or the image quality of character and improve.
Preferably; In this ink-jet printer; Can or connect the main frame 120 of the printer control usefulness of printer through the attached guidance panel (not shown) of printer, change the control by the heating-up temperature of temperature control equipment 80 of preheater 40 that adjustment heats medium 30 and print heater 70.Simultaneously; Preferably; Can be corresponding to kind or its thickness of the medium of on pressing plate 20, carrying 30; And the environment temperature etc. of placing printer, through the attached guidance panel of printer or the main frame 120 of printer control usefulness, the heating-up temperature of the medium 30 of preheater 40 through these temperature control equipment 80 controls and print heater 70 is changed adjustment.Simultaneously, preferably constitute, can through transport 60 on pressing plate 20, successfully carry the softening at low temperatures multiple kind that waits or the medium 30 of thickness all the time.
Preferably; In this ink-jet printer; As shown in Figure 2, be provided with and upgrade mode device 140, this renewal mode device 140 makes printhead 14 move to the maintenance station 130 of pressing plate 20 sidepieces; (flushing/flushing) prevents that above-mentioned solvent inkjet ink is solidificated in inside and the situation about stopping up of the nozzle 12 of this printhead from the nozzle of this printhead 12 examination inkjet drops.This renewal mode device 140 preferably is made up of the circuit of the main frame 120 of printer control usefulness etc.Simultaneously; Preferably; Adopting solvent inkjet ink and on the surface of medium 30, in the process of print pattern or character, adopting and upgrade mode device 140, make printhead 14 move to maintenance station 130; And, the ink droplet examination is ejected in the admittance dish 110 that is arranged at maintenance station 130 waits from the nozzle 12 of printhead.Simultaneously, preferably, prevent to take place the situation of obstruction at this nozzle 12 of inside solidification solvent inkjet ink of this printhead 12.Simultaneously, preferably, prevent to adopt the printhead 14 that obstruction takes place, and on the part of lip-deep pattern that will print on medium 30 or character, produce empty situation about getting ready.
In addition, under these circumstances, preferably should upgrade mode device 140 is following structures: at regular intervals, make printhead 14 move to maintenance station 130, and from the nozzle 12 of this printhead, the examination inkjet drop.Simultaneously; Preferably,, adopt and upgrade mode device 140 at a distance from adopting solvent inkjet ink and the certain hour in the process of the printout surface pattern of medium 30 or character every; Printhead 14 is moved to maintenance station 130, try inkjet drop by the strong hand from the nozzle 14 of this printhead.Simultaneously; Preferably, prevent reliably owing to neglected and adopting solvent inkjet ink and on the surface of medium 30, in the process of print pattern or character, making printhead 14 move to maintenance station 130; And from the nozzle of this printhead 12 examination inkjet drops; And in the inside of the nozzle 12 of this printhead, solvent inkjet ink solidifies, and situation about stopping up takes place this nozzle 12.
In this ink-jet printer, preferably, be provided with drying device 150, as shown in Figure 3,150 pairs of this drying devices are attached to the ink droplet that passes out to the attachment area on medium 30 surfaces on the front portion 26 of pressing plate from the mobile route of printhead 14 below and carry out drying.Preferably, this drying device 150 is for use heater drying machine of air drier, infrared drier, employing pottery or nichrome wire etc. etc. alone or in combination.Preferably, can pass through drying device 150,, pass out to the part ink droplet bone dry of drying regime not of attachment area on the surface of the medium 30 on the front portion 26 of pressing plate being attached to from the mobile route of printhead 14 below.Simultaneously; Preferably; And prevent to be attached to from the front portion 26 of this pressing plate, be the part ink droplet of drying regime not of attachment area on the surface of the medium 30 on the devices for taking-up 100 that web-like is wound in this place ahead; Be attached to other position that this is the medium 30 that web-like reels, and this medium 30 are stained by China ink.
As above-mentioned, ink-jet printer of the present invention is suitable for having photographic fixing stability and high image quality ground print pattern or character on the media surface that outside the room that requires resistance to water, weather resisteant display advertisement uses etc.In addition, also be suitable for print pattern or character on the surface of the medium that the various industries that require resistance to water are used.
Claims (9)
1. an ink-jet printer comprises printing equipment and transport, and this printing equipment makes printhead move above the central portion of pressing plate along left and right directions, and the medium that this transport will be sent on the above-mentioned pressing plate are carried towards the place ahead on pressing plate;
Be provided with preheater and print heater and this preheater and this print heater are separated; This preheater is in advance to heating at the medium of below the mobile route of printhead, carrying on the rear portion of above-mentioned pressing plate; On the central portion of this print heater to the pressing plate of the mobile route below that is sent to above-mentioned printhead, and adhere to from the medium of the ink droplet of the nozzle ejection of above-mentioned printhead and heat; This ink-jet printer is used for advertisement is printed with medium, it is characterized in that,
The heater that above-mentioned printhead does not heat printhead;
The China ink that feeds to the printhead that sprays above-mentioned ink droplet adopts solvent inkjet ink, and said medium use uncoated that the vinyl chloride thin-film magnetic medium of coating agent is arranged;
Be provided with temperature control equipment; This temperature control equipment is controlled the said preheater that heats said medium and the heating-up temperature of said print heater, and making on the central portion that is sent to above-mentioned pressing plate and adhering to from the surface temperature of the above-mentioned medium of the ink droplet of the nozzle ejection of printhead is 40～70 ℃:
Above-mentioned solvent inkjet ink is made up of the organic pigment of 3～7 weight %, resin and the solvent more than a kind below the 15 weight %;
Comprise the renewal mode device, this renewal mode device makes above-mentioned printhead move to the maintenance station, from the nozzle of this printhead examination inkjet drop, prevents that the above-mentioned solvent inkjet ink in inside at the nozzle of this printhead from solidifying and produce situation about stopping up;
Above-mentioned renewal mode device constitutes and makes above-mentioned printhead move to the maintenance station at regular intervals, from the nozzle examination inkjet drop of this printhead.
2. ink-jet printer according to claim 1; It is characterized in that the said temperature control device constitutes with the heating-up temperature of the heating-up temperature of the above-mentioned preheater of independent control respectively and print heater temperature with the surface of medium and is controlled to be 40～70 ℃ mode the temperature of above-mentioned preheater and print heater is controlled.
3. ink-jet printer according to claim 1; It is characterized in that; By the control of temperature control equipment, can obtain changing adjustment through attached guidance panel of printer or the main frame of printing control usefulness to the heating-up temperature of the preheater that heats above-mentioned medium and print heater.
4. ink-jet printer according to claim 2; It is characterized in that; By the control of temperature control equipment, can obtain changing adjustment through attached guidance panel of printer or the main frame of printing control usefulness to the heating-up temperature of the preheater that heats above-mentioned medium and print heater.
5. ink-jet printer according to claim 1 is characterized in that the heating-up temperature of above-mentioned preheater and print heater is set to uniform temp.
6. ink-jet printer according to claim 2 is characterized in that the heating-up temperature of above-mentioned preheater and print heater is set to uniform temp.
7. ink-jet printer according to claim 3 is characterized in that the heating-up temperature of above-mentioned preheater and print heater is set to uniform temp.
8. ink-jet printer according to claim 4 is characterized in that the heating-up temperature of above-mentioned preheater and print heater is set to uniform temp.
9. according to each described ink-jet printer in the claim 1～8, it is characterized in that, be provided with drying device, this drying device carries out drying to being attached to the ink droplet that passes out to the attachment area of the media surface on the front portion of pressing plate from the below of printhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910222559A CN101734019B (en) | 2003-04-18 | 2003-04-18 | Ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910222559A CN101734019B (en) | 2003-04-18 | 2003-04-18 | Ink-jet printer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA038108577A Division CN1652939A (en) | 2003-04-18 | 2003-04-18 | Ink jet printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101734019A CN101734019A (en) | 2010-06-16 |
| CN101734019B true CN101734019B (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910222559A Expired - Lifetime CN101734019B (en) | 2003-04-18 | 2003-04-18 | Ink-jet printer |
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| CN (1) | CN101734019B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017119386A (en) * | 2015-12-28 | 2017-07-06 | 株式会社リコー | Dryer, image forming device, drying method and control program for dryer |
| JP7047427B2 (en) * | 2018-02-06 | 2022-04-05 | コニカミノルタ株式会社 | Heating device and inkjet recording device |
| WO2021092804A1 (en) * | 2019-11-13 | 2021-05-20 | 深圳诚拓数码设备有限公司 | Printing method, printing device, and printed product |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6048059A (en) * | 1997-05-12 | 2000-04-11 | Xerox Corporation | Variable power preheater for an ink printer |
| EP1044817A2 (en) * | 1999-04-16 | 2000-10-18 | Mutoh Industries Ltd. | Ink jet printer and method for operating the same |
| US6341854B1 (en) * | 1998-07-21 | 2002-01-29 | Seiko Epson Corporation | Ink jet recording method using two liquids and ink jet recording apparatus with the method |
-
2003
- 2003-04-18 CN CN200910222559A patent/CN101734019B/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6048059A (en) * | 1997-05-12 | 2000-04-11 | Xerox Corporation | Variable power preheater for an ink printer |
| US6341854B1 (en) * | 1998-07-21 | 2002-01-29 | Seiko Epson Corporation | Ink jet recording method using two liquids and ink jet recording apparatus with the method |
| EP1044817A2 (en) * | 1999-04-16 | 2000-10-18 | Mutoh Industries Ltd. | Ink jet printer and method for operating the same |
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|---|---|
| CN101734019A (en) | 2010-06-16 |
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