CN205498343U - Beat printer head bottom plate, print dolly and ink jet printer - Google Patents
Beat printer head bottom plate, print dolly and ink jet printer Download PDFInfo
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- CN205498343U CN205498343U CN201620069418.2U CN201620069418U CN205498343U CN 205498343 U CN205498343 U CN 205498343U CN 201620069418 U CN201620069418 U CN 201620069418U CN 205498343 U CN205498343 U CN 205498343U
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Abstract
The utility model provides an ink jet printer prints the dolly and is reciprocating motion along the first direction including printing the dolly, sets up one and play the printer head combination by what the multiple printers head was constituteed on printing the dolly, and print the dolly and spout the ink droplet with form images or characters on print media in the nozzle of beating printer head is followed to reciprocating motion's in -process, its characterized in that: play the printer head combination, along the perpendicular to the second direction of first direction is arranged first row and is beaten printer head and beat printer head with second row to beat printer head including the china ink that sprays two at least colours for every row, first row beat colour order that printer head sprays the china ink with it is just in time opposite that the colour order who plays printer head injection china ink is arranged to the second. The utility model discloses an among the ink jet printer to beat the printer head width narrower, spray the same colour china ink to beat printer head's distance more accessible in supplying the china ink, and can eliminate bidirectional printing because the color spot phenomenons of ink droplet stack order difference production.
Description
Technical field
This utility model relates to a kind of inkjet-printing device, carries out image or the inkjet-printing device of word printing particularly to a kind of by reciprocating printhead.
Background technology
Inkjet-printing device by printhead injection ink droplet on print media to form image or word, due to its low cost image that high-quality can be printed, be widely used in recent years.For pursuing higher print performance, the typical performance of print performance is image quality and print speed.The principal element of decision image quality is the color category number of ink, usually, the most image qualities of color category the highest of ink, prior art common are, including four color ink-jet printers of cyan, magenta, yellow and black with include the six color ink jet printer of cyan, nattierblue, magenta, light magenta, yellow and black.The raising prior art of the print speed in print performance is to be improved by bi-directional printing.That is, printed by the scanning in the past direction of printhead, then carry out the paper feeding of scheduled volume, the movement of the printhead going back to direction behind is also carried out print scanned.According to this printing type, with carry out printing in the scanning in direction and compared with not carrying out the unidirectional printing that prints in the movement return the printhead of return in direction, it is achieved that the print speed of twice or production capacity.On the other hand, size about the region that the scanning of printhead is completed, it is known that completed to be equivalent to the so-called Multiple-Scan printing that the so-called single pass of the scanning area of the outlet arrangement width of printhead prints, prints to carry out the Multiple-Scan of paper feeding to complete therebetween by single pass.Above-mentioned single pass prints and Multiple-Scan is printed and can also be performed by above-mentioned bi-directional printing mode, when performing single pass printing by bi-directional printing mode, it is possible to maximally improve print speed or production capacity.
Bi-directional printing mode is an effective manner for the raising of print speed etc..But, on the other hand, it is known that: producing color distortion in each scanning area, image occurs mottle or registration deviation on the whole.This phenomenon be because of bi-directional printing toward direction the most different with the offer of each color ink returned in direction order caused by.That is, in printing equipment, printhead ink nozzle row are generally aligned on its scanning direction.In this case, owing to it arranges, in the relation toward the offer order changeabout between scanning and multiple scanning.
When pixel overlap is sprayed the point that multiple ink forms predetermined color, in injection order, the mass colour being first injected into print media carries out stronger colour developing.This is because, the material closer to surface of print media is dyeed by the ink being first injected into print media, and the most injected ink is difficult to the material on the surface to print media and dyes, and deeper permeates on the thickness direction of print media and fix.
Japanese patent application JP2000318189 discloses and a kind of eliminates owing to the injection order of ink results in the structure of mottle, that is: the ink to each color arranges 2 ink nozzle row, and the axle orthogonal with scanning direction configures every 2 ink nozzles row symmetrically, as described in Figure 8, the ink nozzle row of cyan ink c1 and c2, the ink nozzle row of magenta ink m1 and m2, the ink nozzle row of yellow ink y1 and y2 orthogonal in the scanning direction of printhead axis of symmetry lateral symmetry it are respectively configured.In this structure, carry out ink-jet in the past direction of scanning by the order of c1, m1, y1, y2, m2, c2, carry out ink-jet going back to direction by the order of c2, m2, y2, y1, m1, c1.Thus, it is possible to injection order or the overlapped sequential of ink are set as that identical order is to reduce bi-directional printing due to the mottle of the inconsistent generation of overlay order of ink in each shuttle-scanning.Additionally, this structure can also increase the ink nozzle row of symmetrically arranged black ink, such as configure according to the order of k1, c1, m1, y1, y2, m2, c2, k2.This structure must be provided for, respectively to the confession liquid chamber of ink nozzle row k1, k2 supply ink, thus causing the increase of the size of printhead；And under identical print speed, adopt in this way printhead combination printing relatively costly.
Utility model content
The purpose of this utility model is to provide a kind of in the structure using multiple ink to carry out bi-directional printing, shorten the width of ink jet-print head, and can reduce in the case of not reducing print speed due to the inkjet-printing device of mottle of bi-directional printing ink overlay order difference generation.
For achieving the above object, the utility model proposes a kind of inkjet-printing device, including printing dolly, print dolly to move reciprocatingly in the first direction, printing, a printhead combination being made up of multiple printheads is set on dolly, print dolly and during moving back and forth, from the ink nozzle of printhead, spray ink droplet on print media to form image or word, it is characterized in that: described printhead combines, along the second direction arrangement first row printhead and the second row printhead that are perpendicular to described first direction, and often row's printhead includes the ink spraying at least two color, the color sequences of described first row printhead injection ink and the color disposal order contrast of described second row printhead injection ink.
In above-mentioned inkjet-printing device, described in described first row printhead and described second row printhead, second direction predetermined amounts interval is arranged.
In above-mentioned inkjet-printing device, described first row printhead and described second row printhead are spaced the integral multiple of printhead ink nozzle spacing along the second direction being perpendicular to described first direction.
In above-mentioned inkjet-printing device, described first row printhead and described second row printhead are spaced the integral multiple of 1/2nd printhead ink nozzle spacing along the second direction being perpendicular to described first direction.
In above-mentioned inkjet-printing device, described printhead arranges row's ink nozzle row along described first direction.
In above-mentioned inkjet-printing device, described printhead arranges two row's ink nozzle row along described first direction.
In above-mentioned inkjet-printing device, all it be arranged in parallel between the ink nozzle row that described printhead cluster is closed.
In above-mentioned inkjet-printing device, described printhead combines, wherein first row printhead is along described first direction configuration injection magenta, cyan, yellow and the ink nozzle row of black ink, and second row printhead is along described first direction configuration injection black ink, yellow, cyan and the ink nozzle row of magenta.
Another object of the present utility model is that proposing a kind of inkjet-printing device prints dolly, print dolly to move reciprocatingly in the first direction, printing, a printhead combination being made up of multiple printheads is set on dolly, print dolly and during moving back and forth, from the ink nozzle of printhead, spray ink droplet on print media to form image or word, it is characterized in that: described printhead combines, along the second direction arrangement first row printhead and the second row printhead that are perpendicular to described first direction, and often row's printhead includes the ink spraying at least two color, the color sequences of described first row printhead injection ink and the color sequences contrast of described second row printhead injection ink.
Another object of the present utility model is to propose a kind of inkjet-printing device printhead base plate, printhead base plate is provided with the printhead combination of multiple printhead composition, it is characterized in that: described printhead combines, along the second direction arrangement first row printhead and the second row printhead that are perpendicular to described first direction, and often row's printhead includes the ink spraying at least two color, the color sequences of described first row printhead injection ink and the color sequences contrast of described second row printhead injection ink.
Accompanying drawing explanation
Fig. 1 is the structural representation of the inkjet-printing device of an embodiment of the present utility model；
Fig. 2 is another structural representation of the inkjet-printing device of an embodiment of the present utility model；
Fig. 3 is the figure that puts in order that the printhead cluster in an embodiment of the present utility model is combined in first direction；
Fig. 4 is the schematic diagram of the ink nozzle structure of the printhead in an embodiment of the present utility model；
Fig. 5 is the injection order figure that the combination of printhead shown in Fig. 3 is scanned being formed when printing the ink droplet of each pixel；
Fig. 6 is the configuration figure of the ink nozzle of printhead combination in another embodiment of the present utility model；
Fig. 7 is the configuration figure of the ink nozzle of printhead combination in another embodiment of the present utility model；
Fig. 8 is that the ink-jet of the printhead combination of the multiple ink of prior art is arranged in order figure.
Detailed description of the invention
Embodiment of the present utility model is explained below by the structure etc. that the inkjet-printing device in an embodiment of the present utility model and printhead are combined.
As depicted in figs. 1 and 2, inkjet-printing device of the present utility model includes printing dolly 2, arranges on dolly 2 one for installing the base plate 2 of printhead printing, installs multiple printhead on a base plate 2, for spraying the ink of at least one color.Print dolly 2 to be arranged on guide rail beam 3, dolly 2 is printed along the guide rail 4 being arranged on guide rail beam 3 (the printhead direction of motion in the first direction under the driving driving motor 6, namely main scanning direction) move reciprocatingly, printing dolly 2 to be connected with driving motor 6 by the combination of belt belt wheel, the driving motor 6 in this utility model selects servomotor.Print dolly 2, at rear side, one slide block (not shown) is installed, realize printing the reciprocating motion of dolly 2 by slide block and track combination.Also installing a grating scale 5 on guide rail beam 3, be provided with grating read head printing on dolly 2, grating read head coordinates with grating scale 5, determines printhead ink jetting position in a first direction by grating scale 5.Also setting up on dolly 2 for the assistant print cartridges 8 of printhead ink supply printing, wherein the quantity of assistant print cartridges 8 is consistent with the number of colours needing injection ink, and an assistant print cartridges 8 can be at least one printhead ink supply of injection same colors of ink.Print media 7 is arranged on the underface printing dolly 2, inkjet-printing device in this utility model can be Reel-to-reel type inkjet-printing device, print media 7 does step motion in the driving (print media direction of feed, namely sub scanning direction) in a second direction of pressure roller 9.
Inkjet-printing device of the present utility model can also be flatbed inkjet printing equipment, the movement relation printing dolly and print media in flatbed inkjet printing equipment can have two kinds, it is respectively, print dolly to move reciprocatingly in the first direction, print dolly simultaneously and do step motion in a second direction, print media moves the most up and down, and print media keeps transfixion in horizontal plane；Another way is, prints dolly (the printhead direction of motion) in the first direction and moves reciprocatingly, and print media does step motion in a second direction, and print media vertically moves up and down.
The ink of the four kinds of colors of use in the inkjet-printing device of an embodiment of the present utility model, is magenta, cyan, yellow and black respectively.
Fig. 3 is the figure that puts in order of printhead from the printhead combination that the viewing of print media side is loaded in this utility model inkjet-printing device.As shown in the drawing, the printhead combination of present embodiment includes first row printhead and second row printhead.First row printhead and second row printhead (ink nozzle row) are arranged at sub scanning direction with staggering scheduled volume.As it is shown on figure 3, in the first direction, first row printhead is configured to spray the printhead 11Y of yellow ink successively from left to right1, injection magenta ink printhead 12M1, injection cyan ink printhead 13C1Printhead 14K with injection black ink1, second row printhead is configured to spray the printhead 21K of black ink successively2, injection cyan ink printhead 22C2, injection magenta ink printhead 23M2Printhead 24Y with injection yellow ink2.The printhead spraying various ink in this utility model all be arranged in parallel.
Fig. 4 is the schematic diagram of the ink nozzle of the printhead in one embodiment of this utility model, and printhead of the present utility model is provided with multiple ink nozzle, and the distance between each ink nozzle is equal.As sprayed the printhead 11Y of yellow ink1With printhead 24Y2On be provided with injection yellow ink ink nozzle 110 and ink nozzle 240, injection magenta ink printhead 12M1With printhead 23M2On be provided with the injection ink nozzle 120 of magenta ink and ink nozzle 230, the printhead 13C of injection cyan ink1With printhead 22C2On be provided with the injection ink nozzle 130 of cyan ink and ink nozzle 220, the printhead 14K of injection black ink1With printhead 21K2On be provided with the injection ink nozzle 140 of black ink and ink nozzle 210.First row printhead in this utility model and the integral multiple that distance is printhead ink nozzle spacing on second row printhead (print media direction of feed) in a second direction (assume that printhead ink nozzle spacing is d, then last ink nozzle distance first ink nozzle of second row printhead of first row printhead is nd in the distance of second direction, and wherein n is integer).Distance between printhead the most of the present utility model and printhead is the integral multiple of inkjet-printing device print resolution in a first direction.First row printhead in this utility model and the integral multiple that distance is 1/2nd printhead ink nozzle spacing on second row printhead (print media direction of feed) in a second direction, to improve ink droplet coverage rate on the print medium.
Below in conjunction with Fig. 5, the ink-jet order that this utility model printhead cluster is combined in bi-directional printing is described, as the blueness (C+M) obtained by use cyan ink and the combination of magenta ink, in forward prints and reversely prints, use ink nozzle row C respectively1、M1With ink nozzle row C2、M2, the injection order of ink droplet has two kinds, and in forward print procedure, the ink-jet order of first row printhead is first to spray magenta ink M1Injection cyan ink C afterwards1, the ink-jet order of second row printhead is first to spray cyan ink C2Injection magenta ink M afterwards2.In reverse print procedure, the ink-jet order of first row printhead is first to spray cyan ink C1Injection magenta ink M afterwards1, the ink-jet order of second row printhead is first to spray magenta ink M2Injection cyan ink C afterwards2。
Similarly, as the redness (Y+M) obtained by use yellow ink and the combination of magenta ink, print with in reverse printing at forward, use ink nozzle row Y1、M1With ink nozzle row Y2、M2, the injection order of ink droplet has two kinds, and in forward print procedure, the ink-jet order of first row printhead is first to spray yellow ink Y1Injection magenta ink M afterwards1, the ink-jet order of second row printhead is first to spray magenta ink M2Injection yellow ink Y afterwards2.In reverse print procedure, the ink-jet order of first row printhead is first to spray magenta ink M1Injection yellow ink Y afterwards1, the ink-jet order of second row printhead is first to spray yellow ink Y2Injection magenta ink M afterwards2。
Same, as by use obtained by the combination of cyan ink and yellow ink green (C+Y), use ink nozzle row C1、Y1With ink nozzle row C2、Y2, the injection order of ink droplet has two kinds, and in forward print procedure, the ink-jet order of first row printhead is first to spray yellow ink Y1Injection cyan ink C afterwards1, the ink-jet order of second row printhead is first to spray cyan ink C2Injection yellow ink Y afterwards2.In reverse print procedure, the ink-jet order of first row printhead is first to spray cyan ink C2Injection yellow ink Y afterwards2, the ink-jet order of second row printhead is first to spray yellow ink Y2Injection cyan ink C afterwards2。
It addition, when being formed color by three kinds of ink droplet superpositions of cyan ink, magenta ink and yellow ink, the overlay order of ink droplet also has two kinds, when forward prints, the injection order of first row printhead is that first injection yellow is black, then superposition magenta ink, last superposition cyan ink；The injection order of second row printhead is for first spraying cyan ink, then superposition magenta ink, and last superposition yellow is black.When reversely printing, the injection order of first row printhead is for first spraying cyan ink, then superposition magenta ink, and last superposition yellow is black；The injection order of second row printhead is that first injection yellow is black, then superposition magenta ink, last superposition cyan ink.
When printhead cluster the most of the present utility model is combined in the row employing even passes printing of printhead ink nozzle, the i.e. ink nozzle row of each printhead use 2N to print all over (PASS), when the ink nozzle of printhead arranges and divides two rows to arrange, owing to each row's printhead ink nozzle row all use 2N to print all over (PASS), the combination of whole printhead i.e. uses 4N to print all over (PASS), ink droplet order in the image that the Method of printing that printhead of the present utility model combination uses prints can reduce the mottle produced the most on the contrary in adjacent image regions due to ink droplet overlay order, and in the case of not reducing print speed, printhead cost is relatively low.First row printhead in this utility model and second row printhead configure multiple ink printhead color sequences the inkjet color ensureing first row printhead and second row printhead put in order contrary in the case of can the most arbitrarily arrange.
As shown in Figure 6, inkjet-printing device of the present utility model can also spray the ink of six kinds of colors, i.e. increase the ink of light magenta and the ink of nattierblue, i.e. first row print head configuration be first row print head configuration be injection yellow ink printhead Y1, the printhead M of injection magenta1, the printhead C of injection cyan ink1, the printhead K of injection black ink1, spray the printhead L of light magenta inkM1With the printhead L spraying light greenish blue color inkC1, second row print head configuration is to spray the printhead L of light greenish blue color inkC2, spray the printhead L of light magenta inkM2, the printhead K of injection black ink2, injection cyan ink printhead C2, injection magenta printhead M2Printhead Y with injection yellow ink2。
As it is shown in fig. 7, printhead in inkjet-printing device in this utility model is it can also be provided that the printhead that is made up of two row ink nozzles, two row ink nozzles can spray same color ink can also spray different ink respectively.When two row ink nozzle injections are with color ink, 1/2nd ink nozzle spacing that misplace between two row ink nozzles are to improve ink droplet coverage rate on the print medium；When the two different color ink of row ink nozzle injection, this utility model is respectively provided with two printheads, two kinds of colors of ink of a printhead prints when using four colors to print at first row printhead and second row printhead.Accordingly, it is respectively provided with three printheads, two kinds of colors of ink of a printhead prints when six colors print at first row printhead and second row printhead.
The multiple ink of employing of the present utility model carries out the inkjet-printing device of bi-directional printing, the width of printhead base plate can be reduced, while not reducing print speed, reduce the mottle produced due to bi-directional printing ink overlay order difference simultaneously, and use multiple-pass printing can eliminate the articulate fascia that stepping produces very well.
Preferred implementation has been described in detail by this utility model.On the premise of without departing from scope of the present utility model, in terms of its range, can change and revise, this is apparent to those of ordinary skill in the art.Therefore, all above-mentioned changes and amendment each fall within scope of the claims of the present utility model.
Claims (10)
1. an inkjet-printing device, including printing dolly, print dolly to move reciprocatingly in the first direction, printing, a printhead combination being made up of multiple printheads is set on dolly, print dolly and during moving back and forth, from the nozzle of printhead, spray ink droplet on print media to form image or word, it is characterized in that: described printhead combines, along the second direction arrangement first row printhead and the second row printhead that are perpendicular to described first direction, and often row's printhead includes the ink spraying at least two color, the color sequences of described first row printhead injection ink and the color disposal order contrast of described second row printhead injection ink.
Inkjet-printing device the most according to claim 1, it is characterised in that: described first row printhead and described second row printhead are arranged along the second direction predetermined amounts interval being perpendicular to described first direction.
Inkjet-printing device the most according to claim 1, it is characterised in that: described first row printhead and described second row printhead are spaced the integral multiple of printhead ink nozzle spacing along the second direction being perpendicular to described first direction.
Inkjet-printing device the most according to claim 1, it is characterised in that: described first row printhead and described second row printhead are spaced the integral multiple of 1/2nd printhead ink nozzle spacing along the second direction being perpendicular to described first direction.
Inkjet-printing device the most according to claim 1, it is characterised in that: described printhead arranges row's ink nozzle row along described first direction.
Inkjet-printing device the most according to claim 1, it is characterised in that: described printhead arranges two row's ink nozzle row along described first direction.
Inkjet-printing device the most according to claim 1, it is characterised in that: all it be arranged in parallel between the ink nozzle row on described printhead.
Inkjet-printing device the most according to claim 1, it is characterized in that: described printhead, wherein first row printhead is along described first direction configuration injection magenta, cyan, yellow and the ink nozzle row of black ink, and second row printhead is along described first direction configuration injection black ink, yellow, cyan and the ink nozzle row of magenta.
9. an inkjet-printing device is with printing dolly, print dolly to move reciprocatingly in the first direction, printing, a printhead combination being made up of multiple printheads is set on dolly, print dolly and during moving back and forth, from the nozzle of printhead, spray ink droplet on print media to form image or word, it is characterized in that: described printhead, along the second direction arrangement first row printhead and the second row printhead that are perpendicular to described first direction, and often row's printhead includes the ink spraying at least two color, the color sequences of described first row printhead injection ink and the color sequences contrast of described second row printhead injection ink.
10. an inkjet-printing device printhead base plate, printhead base plate is provided with the printhead combination of multiple printhead composition, it is characterized in that: described printhead combines, along the second direction arrangement first row printhead and the second row printhead that are perpendicular to described first direction, and often row's printhead includes the ink spraying at least two color, the color sequences of described first row printhead injection ink and the color sequences contrast of described second row printhead injection ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620069418.2U CN205498343U (en) | 2016-01-25 | 2016-01-25 | Beat printer head bottom plate, print dolly and ink jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620069418.2U CN205498343U (en) | 2016-01-25 | 2016-01-25 | Beat printer head bottom plate, print dolly and ink jet printer |
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| Publication Number | Publication Date |
|---|---|
| CN205498343U true CN205498343U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620069418.2U Active CN205498343U (en) | 2016-01-25 | 2016-01-25 | Beat printer head bottom plate, print dolly and ink jet printer |
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| CN (1) | CN205498343U (en) |
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2016
- 2016-01-25 CN CN201620069418.2U patent/CN205498343U/en active Active
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Address after: 100191 Haidian District, Garden Road, No. 1, room 101, floor, room 14 Patentee after: Beijing Boyuan Heng Polytron Technologies Inc Address before: 100191 Haidian District, Garden Road, No. 1, room 101, floor, room 14 Patentee before: BEIJING BOYUAN HENGXIN TECHNOLOGY CO., LTD. |