CN209305136U - A kind of inkjet-printing device - Google Patents
A kind of inkjet-printing device Download PDFInfo
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- CN209305136U CN209305136U CN201821320045.7U CN201821320045U CN209305136U CN 209305136 U CN209305136 U CN 209305136U CN 201821320045 U CN201821320045 U CN 201821320045U CN 209305136 U CN209305136 U CN 209305136U
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Abstract
The utility model proposes a kind of inkjet-printing devices, the printing equipment includes that at least one is used to spray the first spray head of ink droplet and the control circuit of control spray head injection ink droplet, it is characterized in that, one is arranged side by side behind the first spray head for printing the second spray head of identical data, line where the spray orifice of first spray head is vertical with the print media direction of motion, line is parallel with line where the spray orifice of second spray head where the spray orifice of first spray head, control circuit is used to control the work of the first spray head and second spray head, it is completely overlapped or partly overlap or edge contacts with each other that the spray orifice that the spray orifice of the first spray head sprays ink droplet and the second spray head to print media sprays the ink droplet to print media.Since new type nozzle can realize that high speed stablizes print image under the very high state of spark rate, however the ink droplet color sprayed is shallower, can air brushing goes out color burn under flying print state, the image of Quality advance comes using the printing equipment of the utility model.
Description
Technical field
The utility model relates to a kind of inkjet-printing devices, in particular relate to a kind of inkjet printing of first pass formula printing
Device.
Background technique
Inkjet-printing device is that the printing for realizing image or text is dripped on print media by control spray head jet ink.
According to printing type difference, inkjet printing is divided into scan-type printing and first pass formula prints two kinds, in scan-type printing, spray
Head is installed on printing trolley, and printing trolley moves reciprocatingly so that ink droplet to be ejected on print media, and print media does stepping fortune
It is dynamic.In the printing of first pass formula, spray head is installed on print module, and print module is fixed, and spray head continuously passes lower section
The print media sent carries out inkjet printing.In print procedure, needed between the injection twice of a nozzle time enough with
The ink of enough volumes, the i.e. maximum injection frequency of spray head are accumulated, for any specific inkjet print head nozzles, this injection
The frequency limit injecting times of specified time inner nozzle, that is, the spark rate of spray head.In the printing of first pass formula, beat
The print speed of print machine is related to the printing precision of the spark rate of spray head and page orientation.When one timing of printing precision, spray head
Spark rate it is directly proportional to medium printing speed, by taking the traditional spray head of the Ricoh originally used as an example, when normal print, is used
Spray head spark rate be the 30KHz(i.e. one second time in spray head can spray 30000 times), when the printing precision of page orientation is
When 600DPI, maximum chart drive speed is 30KHz/600=50inch/s.With the development of spray head industry, novel spray head is constantly ground
It issues, spray head of new generation has the advantages that spark rate is fast, can greatly improve medium printing speed, such as in this way with present
New type nozzle for, can be used 100KHz spark rate carry out stable printing, in this way with same page orientation printing
Precision 600DPI printing, maximum chart drive speed are 100KHz/600 ≈ 166.7inch/s, and print speed improves about 3.3 times.So
And although new type nozzle spark rate increases, it is limited by manufacturing, the droplet volume ejected is smaller, traditional spray
The droplet size of head injection is 7 picoliters, and the droplet size of new type nozzle injection may only have that 3 picoliters are even more small, beat in this way
After printing medium first pass, the pattern color of printing is shallower, and in some particular/special requirements, the pattern of such light color cannot expire
Sufficient user demand, for example in the print procedure of two dimensional code, the pattern color of printing may shallowly will affect very much the identification of two dimensional code.
In addition, also sometimes, certain individual spray orifices of spray head block, ink droplet can not be sprayed, it is at this moment logical at one time
It crosses in formula printing, will show occur white line in print pattern without color below the spray orifice, influence beauty, or even beating
It is invalid to may result in barcode scanning when printing bar code.
Utility model content
In view of the problems of the existing technology, the purpose of this utility model is that proposing a kind of novel high spark rate of cooperation
Inkjet-printing device that characteristic spray head uses, can ensuring under flying print state print quality.
To achieve the above object, the utility model proposes a kind of inkjet-printing devices, including at least one is used for jet ink
The first spray head of drop and the control circuit of control spray head injection ink droplet, which is characterized in that behind the first spray head side by side
Arrangement one is used to print the second spray head of identical data, and line where the spray orifice of first spray head and the print media direction of motion are hung down
Directly, line is parallel with line where the spray orifice of second spray head where the spray orifice of first spray head, and control circuit is for controlling described the
The work of one spray head and second spray head.
In above-mentioned inkjet-printing device, the first spray head and second spray head are identical two spray head.
In above-mentioned inkjet-printing device, each ink droplet of the first spray head and second spray head injection is less than or equal to 4 picoliters.
In above-mentioned inkjet-printing device, the spark rate that the first spray head uses when printing with second spray head is more than or equal to
100kHz。
In above-mentioned inkjet-printing device, it can also be arranged side by side behind the second spray head for printing identical data
Third spray head, line is parallel with line where the spray orifice of second spray head where the spray orifice of third spray head, and control circuit is for controlling
Make the work of the first spray head, second spray head and third spray head.
In above-mentioned inkjet-printing device, it can also be arranged side by side behind the second spray head for printing color inks
The first yellow ink spray head, the second yellow ink spray head, the first magenta ink sprinkler head, the second magenta ink sprinkler head,
One cyan spray head, the second cyan spray head, line where printing the spray nozzles of color inks with second spray head
Line where spray orifice is parallel, and control circuit is used to control the work of all spray heads.
In above-mentioned inkjet-printing device, the first spray head and second spray head are one along the spacing of print media page orientation
The multiple of inch is that one inch of multiple divided by print resolution institute value, first spray head and second spray head are situated between along printing
The spacing of matter page orientation will consider to design with English unit.
In above-mentioned inkjet-printing device, the ink droplet of the second spray head injection and the ink droplet of first spray head injection are completely heavy
It is folded.
In above-mentioned inkjet-printing device, the ink droplet of the second spray head injection and the ink droplet part weight of first spray head injection
It is folded.
In above-mentioned inkjet-printing device, the ink droplet edge that ink droplet and the first spray head of the second spray head injection are sprayed is mutual
Contact.
The printing equipment of the raising inkjet printing speed of the utility model by adding printing identical data, injection together side by side
The spray head of one color ink, to cooperate new type nozzle (characteristic sprayed with high spark rate, low ink quantities), to enable one time
By print media in formula print procedure, (print speed can be up to 160m/s- while surmounting industry routine transmission speed
300m/s), moreover it is possible to print enough deep, the enough high print patterns of resolution ratio of color and come.
Detailed description of the invention
Fig. 1 is the printing equipment structural schematic diagram of first pass formula printing in the utility model；
Fig. 2 is the structural schematic diagram of nozzle tip arrangement in the utility model one embodiment；
Fig. 3 a, 3b are ink jet printing process schematic diagram in the utility model one embodiment；
Fig. 4 is the schematic diagram that print pattern ink droplet is formed in the utility model one embodiment；
Fig. 5 a, 5b are the print procedure schematic diagram that spray nozzle has blocking in the utility model one embodiment；
Fig. 6 a, 6b are ink jet printing process schematic diagram in another embodiment of the utility model；
Fig. 7 a, 7b are ink jet printing process schematic diagram in another embodiment of the utility model；
Fig. 8 is the structural schematic diagram for the nozzle tip arrangement that the utility model spray head splices embodiment；
Fig. 9 is the structural schematic diagram of three row's nozzle tip arrangement of the utility model；
Figure 10 is the structural schematic diagram of the utility model color inks nozzle tip arrangement.
Serial number as shown in the figure indicates are as follows: print module 1, support beam 2, fixed bracket 3, print media 4, print image 5,
First spray head H1, second spray head H2, spray head bottom plate 11, spray head regulating device 12, third spray head H3, the first black ink spray head
K1, the second black ink spray head K2, the first yellow ink spray head Y1, the second yellow ink spray head Y2, the spray of the first magenta ink
Head M1, the second magenta ink sprinkler head M2, the first cyan spray head C1, the second cyan spray head C2.
Specific embodiment
The inkjet-printing device that according to the present invention will be described in detail below with reference to the accompanying drawings.
The present embodiment by illustrating for being printed in the printing of first pass formula using monochrome printhead, as shown in Figure 1, than
Such as print the two dimensional code of black.Inkjet-printing device includes print module 1, first spray head H1, second spray head H2, support beam 2
And fixed bracket 3, first spray head H1 and second spray head H2 are mounted on print module 1, print module 1 is mounted on support beam
On 2, the transmission device (not shown) of print media 4 and print media 4 is set, fixed bracket 3 is set below support beam 2
It sets in print media two sides, for fixing support beam 2, on the print media 4 of first spray head H1 and second spray head H2 downwards
Jet printing image 5, in addition, inkjet-printing device further includes one for controlling first spray head H1 and second spray head H2 injection ink droplet
Control circuit (not shown), when inkjet printing, print module 1 remains static, the paper feed as shown in the figure of print media 4
Direction is transmitted.
It is illustrated in figure 2 the structural schematic diagram of a specific nozzle tip arrangement, first spray head H1 and second spray head H2 are mounted on one
On spray head bottom plate 11, first spray head H1 and second spray head H2 are identical two spray head, first spray head H1 and second spray head H2
Can spark rate be greater than 100kHz in the case where stablize printing, due to spray head processing limitation, at this time first spray head H1 with
Each ink droplet of second spray head H2 injection is less than or equal to 4 picoliters, and first spray head H1 and second spray head H2 are arranged in parallel, i.e., the first spray
Line is parallel with line where the spray orifice of second spray head where the spray orifice of head, and line where the spray orifice of first spray head and printing are situated between
The matter direction of motion is vertical, the first spray head and second spray head along the spacing of the print media direction of motion be one inch multiple or
Person is one inch of multiple divided by print resolution institute value, and first spray head and second spray head are along print media page orientation
Spacing will consider to design with English unit, by spray head regulating device 12 can be to the position of first spray head H1 and second spray head H2
It sets and is adjusted.
As shown in Figure 3a, first spray head H1 and second spray head H2 side-by-side alignment are arranged, i.e. the first spray orifice of first spray head H1
It being aligned with the first spray orifice of second spray head H2, the second spray orifice of first spray head H1 is aligned with the second spray orifice of second spray head H2, with
This analogizes.When starting printing, print media 4 is transmitted along page orientation, and second spray head H2 is introduced into image-region to be printed,
Image data needed for control circuit controls the spray orifice printing of the ejected ink drop of second spray head H2 forms the first venting that lower section is shown
Drop, print media 4 travel forward along page orientation, after first spray head H1 enters image-region to be printed, control system control
First spray head H1 and second spray head H2 image data needed for printing of the ejected ink drop simultaneously, in the same position by image to be printed
When top, first spray head H1 and second spray head H2 receive same lower inking data and carry out the inkjet printing of identical data, i.e., and the
The ink droplet of one spray head H1 injection is overlapped on the first layer ink droplet first sprayed to second spray head H2, and two spray heads spray ink droplet respectively
Ink droplet H1+H2 one big is formed, as shown in Figure 3b.Since the droplet volume of single spray head injection is smaller, by two ink droplets
Superposition just forms the ink droplet of a large volume, makes the color burn printed, ink droplet H1+H2 forming process is as shown in Figure 4.Such as
This printing, until required pattern is completed in image-region to be printed printing, at the end of printing is fast, second spray head H2 first completes to beat
Print, second spray head H2 stop printing, and first spray head H1 continues to print, print to first spray head H1, printing terminates.Due to spray head
It is printed under high spark rate, the transmission speed of print media 4 quickly, however descends at a high speed the small color of droplet volume sprayed
Shallowly, the completely overlapped color that can deepen pattern of ink droplet is carried out using two spray heads, thus during flying print really
Protect the quality of print pattern.Furthermore sometimes, since the material of print media is special, some clients need in print media
Reverse side also penetrates coloured pattern, obtains the big ink droplet of two superimposed using such printing type, big ink droplet color is deep
And there is permeability, it can realize required effect.
In addition, also can avoid in first pass formula transmit process using such mode, since individual spray nozzles block
Caused by image it is imperfect or the case where white line occur, as shown in Figure 5 a, some spray head in second spray head H2 blocks,
With the failure spray orifice that the shadow representation of black in figure is blocked, the spray orifice being blocked at this time when printing the first array of drop just can not
Eject ink droplet, if only use second spray head H2 single nozzle printing, will there are white point or white lines on print pattern, so
And since first spray head H1 being arranged side by side by the second spray head H2 on spray head bottom plate, and first spray head H1 spray orifice sprays identical number
According to ink droplet, can make up in second spray head H2 failure spray orifice can not ink-jet the case where, as shown in Figure 5 b, since ink droplet is smaller,
Color is shallower, and the ink droplet H1+H2 for the overlapping that compares may be the pattern of grey, but will not influence whole effect, if
Two dimensional code is printed, will not influence the scanning of two dimensional code, to reduce unnecessary loss.
Fig. 6 a, 6b are ink jet printing process schematic diagram in another embodiment of the utility model, first spray head H1 and second
The arrangement that spray head H2 misplaces side by side and slightly, as shown, the first spray of the first spray orifice of first spray head H1 and second spray head H2
Hole slightly misplaces, and the second spray orifice of first spray head H1 slightly misplaces with the second spray orifice of second spray head H2, and so on.Start to beat
When print, second spray head H2 is introduced into image-region to be printed, and control circuit controls the spray orifice printing of the ejected ink drop of second spray head H2
Required image data forms the first array of drop that lower section is shown, as shown in Figure 6 a, print media 4 travels forward along page orientation,
After first spray head H1 enters image-region to be printed, control system controls first spray head H1 and second spray head H2 jet ink simultaneously
Image data needed for drop prints, the first layer ink droplet that the ink droplet and second spray head H2 of first spray head H1 injection first spray have part weight
Folded, two spray heads, which spray ink droplet respectively and form one, to overlap and interlaced ink droplet H1+H2, as shown in Figure 6 b, such as
This printing, until required pattern is completed in image-region to be printed printing, at the end of printing is fast, second spray head H2 first completes to beat
Print, second spray head H2 stop printing, and first spray head H1 continues to print, print to first spray head H1, printing terminates.Due to spray head
To be printed under high spark rate, the transmission speed of print media 4 quickly, and spray head injection the small color of droplet volume
Shallowly, the visual effect of image can be reinforced by going out the partly overlapping mode of ink droplet using two nozzle printings, in this way can also be in high speed
On the basis of printing, it is ensured that the quality of print pattern.
Fig. 7 a, 7b are ink jet printing process schematic diagram in another embodiment of the utility model, first spray head H1 and second
Spray head H2 is shifted to install side by side, as shown, the first spray of the first spray orifice right side edge of first spray head H1 and second spray head H2
Hole left side edge is tangent along page orientation (shown in dotted line), similarly the second spray orifice right side edge and second spray head of first spray head H1
The second spray orifice left side edge of H2 is tangent along page orientation, and so on.When starting printing, second spray head H2 is introduced into be printed
Image-region, image data needed for control circuit controls the spray orifice printing of the ejected ink drop of second spray head H2 form what lower section was shown
First array of drop, as shown in Figure 7a, print media 4 travel forward along page orientation, when first spray head H1 enters image to be printed
Behind region, image data needed for control system controls first spray head H1 and second spray head H2 while printing of the ejected ink drop, the first spray
The first layer ink droplet edge that the ink droplet of head the first spray orifice of H1 injection is first sprayed with the first spray orifice of second spray head H2 contacts with each other, with this
Analogize, two spray heads spray ink droplet respectively and form the case where edge contacts with each other, and as shown in Figure 7b, so print, until wait beat
Required pattern is completed in the printing of watermark image region, and at the end of printing is fast, second spray head H2 first completes to print, and second spray head H2 stops
Printing, first spray head H1 continue to print, print to first spray head H1, printing terminates.In the High Speed Transfer state of print media 4
Under, two rows of spray heads, which carry out the printing that ink droplet edge contacts with each other, equally can ensure that the quality of print image.
It should be noted that in a pass coding by being used sometimes to increase printing breadth along spray head head and the tail spray orifice in printing
Direction concatenates the method for multiple spray heads to realize, if going here and there as shown in figure 8, think to ensure air brushing quality when flying print at this time
After each spray head connect and connect a spray head that same color ink is sprayed with the spray head.The printing type of the printing equipment with it is above-mentioned
The printing type principle of spray head is identical.
Similarly, if the color for deepening print image again or enhancing printing effect are thought, using nozzle tip arrangement side as shown in Figure 9
Second spray head H2 and third spray head H3, first spray head H1 are arranged successively after first spray head H1 along print media page orientation likes:
It is substantially parallel with second spray head H2 and third spray head H3 and perpendicular to the print media direction of motion, adjacent spray head is along print media side
To spacing be one inch multiple or be one inch of multiple divided by print resolution institute value, when inkjet printing, control
Circuit control first spray head H1 processed, second spray head H2, third spray head H3 receive identical print data respectively and are printed, and three layers
Ink droplet is completely overlapped or partly overlaps or edge contacts with each other to form print image.The printing type of the printing equipment and above-mentioned spray
The printing type principle of head is identical.
It is still applied to such printing type using color inks spray head if printing multicolour pattern, as shown in Figure 10, edge is beaten
Medium page orientation is printed, successively side by side parallel arranges the first black ink spray head K1, the second black ink spray head K2, the first yellow
Ink spray Y1, the second yellow ink spray head Y2, the first magenta ink sprinkler head M1, the second magenta ink sprinkler head M2, first
Cyan spray head C1 and the second cyan spray head C2, the ink droplet overlapping that the nozzle printing of every group of injection same color ink goes out
Or partly overlap or edge contacts with each other, printing principle is identical as the printing type principle of above-mentioned spray head.
It should be pointed out that any deformation that specific embodiment according to the present utility model is made, all without departing from this
The range that the spirit and claim of utility model are recorded.
Claims (6)
1. a kind of inkjet-printing device, the first spray head and control spray head for being used to spray ink droplet including at least one spray ink droplet
Control circuit, which is characterized in that be arranged side by side second spray for printing identical data behind the first spray head
Head, line where the spray orifice of first spray head is vertical with the print media direction of motion, line and second where the spray orifice of first spray head
Line where the spray orifice of spray head is parallel, and control circuit is used to control the work of the first spray head and second spray head, and described first
It is complete that the spray orifice of spray head sprays the ink droplet that ink droplet to print media and the second spray head spray orifice are sprayed to print media
It is overlapped or partly overlaps or edge contacts with each other.
2. inkjet-printing device as described in claim 1, which is characterized in that the first spray head is complete phase with second spray head
Two same spray heads.
3. inkjet-printing device as described in claim 1, which is characterized in that the first spray head is sprayed every with second spray head
One ink droplet is less than or equal to 4 picoliters.
4. inkjet-printing device as described in claim 1, which is characterized in that the first spray head makes when printing with second spray head
Spark rate is more than or equal to 100kHz.
5. inkjet-printing device as described in claim 1, which is characterized in that can also be side by side behind the second spray head
It is arranged for the third spray head of printing identical data, line where line where the spray orifice of third spray head and the spray orifice of second spray head
In parallel, control circuit is used to control the work of the first spray head, second spray head and third spray head.
6. inkjet-printing device as described in claim 1, which is characterized in that can also be side by side behind the second spray head
It is arranged for printing the first yellow ink spray head of color inks, the second yellow ink spray head, the first magenta ink sprinkler head, the
Two magenta ink sprinkler heads, the first cyan spray head, the second cyan spray head print the spray nozzle place of color inks
Line is parallel with line where the spray orifice of second spray head, and control circuit is used to control the work of all spray heads.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821320045.7U CN209305136U (en) | 2018-08-16 | 2018-08-16 | A kind of inkjet-printing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821320045.7U CN209305136U (en) | 2018-08-16 | 2018-08-16 | A kind of inkjet-printing device |
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| CN209305136U true CN209305136U (en) | 2019-08-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203696A (en) * | 2018-08-16 | 2019-01-15 | 北京美科艺数码科技发展有限公司 | A kind of inkjet-printing device and Method of printing |
| CN112455090B (en) * | 2020-10-30 | 2022-02-22 | 北京方正印捷数码技术有限公司 | Control method, device, equipment, medium and system for regulating ink jet of printer |
-
2018
- 2018-08-16 CN CN201821320045.7U patent/CN209305136U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203696A (en) * | 2018-08-16 | 2019-01-15 | 北京美科艺数码科技发展有限公司 | A kind of inkjet-printing device and Method of printing |
| CN112455090B (en) * | 2020-10-30 | 2022-02-22 | 北京方正印捷数码技术有限公司 | Control method, device, equipment, medium and system for regulating ink jet of printer |
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