CN214449522U - Jet printing assembly of digital printing machine - Google Patents
Jet printing assembly of digital printing machine Download PDFInfo
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- CN214449522U CN214449522U CN202120347799.7U CN202120347799U CN214449522U CN 214449522 U CN214449522 U CN 214449522U CN 202120347799 U CN202120347799 U CN 202120347799U CN 214449522 U CN214449522 U CN 214449522U
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Abstract
The utility model belongs to the technical field of the inkjet printing, concretely relates to digital printing machine spout seal subassembly, including spouting the seal support, spout the printing shower nozzle mounting bar that is equipped with on the seal support and sets up side by side, it prints the shower nozzle, adjacent two to be equipped with on the shower nozzle mounting bar print the shower nozzle position of printing on the shower nozzle mounting bar and correspond the setting. The utility model provides a digital printing machine spout seal subassembly through printing the design of shower nozzle double pin, guarantees to spout seal stability, is applicable to the high-speed full-color waterborne printing of reel substrate broad width, and the substrate width reaches more than 1 meter, and speed exceeds 100 meters/minute, and printing technology is advanced.
Description
Technical Field
The utility model belongs to the technical field of the inkjet printing, concretely relates to digital printing machine spout seal subassembly.
Background
Digital printing is a brand new printing mode which directly prints computer files on a base material and is different from the traditional complicated printing process. Digital printing has the following characteristics: printing one by one, no plate making, immediate error correction, variable printing and printing according to requirements. Digital printing is a comprehensive technology developed on the basis of printing technology, and electronic texts are used as carriers and are transmitted to digital printing equipment through a network to realize direct printing. The printing production process is characterized in that the printing production process is free of edition and information variability, and the printing production process covers a plurality of technical fields such as printing, electronics, computers, networks, communication and the like.
Digital printing is all-digital information transmission, on-machine plate making of films and printing plates is omitted, information of digital presswork is variable by 100%, and digital printing is a process of directly converting digital information into presswork by using a digital printing system. The digital manuscript can be a digital file processed by a digital prepress system, can also be sourced from a network and a digital medium, and the digital printing can realize the output of a printed matter at any time and any place and in a remote way without time and space limitations. Digital printing is classified into an electrostatic imaging mode, an inkjet imaging mode, an electrocoagulation imaging mode, a thermal transfer imaging mode, a magnetic recording imaging mode, and the like according to an imaging mechanism. Digital printers using an electrostatic image forming method and an ink jet image forming method are the mainstream in the market.
The digital printing needs no complicated process of traditional offset printing, and only needs to be sent to a printing machine by a computer to obtain a finished product, so that the digital printing can not be achieved by traditional printing in the aspects of urgent printing, variable printing and on-demand printing. Therefore, the digital printing industry really meets the requirement of fast printing of the commercial prints which are different day by day, the development speed is quite high, and the development space is very large.
With the increasing awareness of environmental protection, the use of aqueous ink is more and more extensive in the field of digital printing. The gamut that aqueous inks can reproduce is almost the largest of all ink systems, and thus aqueous inks have natural advantages in color appearance. For an ink jet printing system based on water-based ink in the field of digital printing, one common problem is the stability problem of the jet printing process, and at present, no effective technical scheme is provided for solving the stability problem of the jet printing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a digital printing machine spout seal subassembly adopts the mode of double pin to the range of shower nozzle, improves and spouts seal stability.
In order to achieve the technical purpose, the utility model adopts the technical scheme that:
the utility model provides a digital printing machine spout seal subassembly, is including spouting the seal support, spout the printing shower nozzle mounting bar that is equipped with on the seal support and sets up side by side, it prints the shower nozzle to be equipped with on the shower nozzle mounting bar, adjacent two to print the shower nozzle position of printing on the shower nozzle mounting bar and correspond the setting.
As an improvement, spout the vertical lead screw module of seal leg joint, the below of spouting the seal support is equipped with horizontal lead screw module, horizontal lead screw module connects the support of moisturizing, be equipped with the sealed frame of moisturizing on the support of moisturizing, the position of the sealed frame of moisturizing with the position of printing the shower nozzle is corresponding, it scrapes the china ink pole to slide on the support of moisturizing, it scrapes the china ink piece to scrape to be equipped with on the china ink pole, scrape the position of china ink piece with the position of printing the shower nozzle is corresponding.
As a further improvement, the printing nozzle is provided with an ink inlet and an ink outlet, the ink inlet is connected with the main ink box through an ink inlet pipe, the ink outlet is connected with the backflow ink box through an ink return pipe, and the main ink box and the backflow ink box are both connected with the negative pressure device and the main ink barrel.
As a further improvement, the main ink box is provided with an ink inlet and an air vent, the ink inlet of the main ink box is connected with a main ink barrel through a connecting pipeline, an ink supply pump, a filter and a degassing device are arranged on the connecting pipeline between the ink inlet of the main ink box and the main ink barrel, the air vent of the main ink box is connected with one inlet of a three-way valve, one outlet of the three-way valve is connected with a main negative pressure bottle, the main negative pressure bottle is connected with a negative pressure pump through a valve, and the other outlet of the three-way valve is connected with a positive pressure pump;
the backflow ink box is provided with an ink outlet and an air vent, the ink outlet of the backflow ink box is connected with a backflow pump, the backflow pump is connected with the main ink barrel, the air vent of the backflow ink box is connected with a backflow negative pressure bottle, and the backflow negative pressure bottle is connected with a negative pressure pump through a valve.
As a further improvement, the printing nozzle mounting bars are arranged in a circular arc shape, the moisturizing sealing frame is arranged in a circular arc shape, the ink scraping rods are arranged in a circular arc shape, and the ink scraping sheets are arranged in a circular arc shape.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
the utility model provides a digital printing machine's spout seal subassembly, it sets up side by side to spout the printing shower nozzle mounting bar on the seal support, it installs on printing the shower nozzle mounting bar to print the shower nozzle, two adjacent printing shower nozzle positions on the printing shower nozzle mounting bar correspond the setting, mode through the doublet makes two printing shower nozzles piece together side by side, make when one printing shower nozzle is stifled or when damaging, can print with another printing shower nozzle of installing side by side, two printing shower nozzles of installing side by side in the in-service use damage probability simultaneously extremely low, improve the stability of spouting the seal, be convenient for in time dismantle the maintenance with the printing shower nozzle that breaks down.
The position of the spray printing support can be adjusted up and down through the vertical lead screw module, so that the position of the printing nozzle is adjusted, when printing is carried out, the position of the printing nozzle is adjusted downwards to be close to a printing substrate, the position of the printing nozzle is adjusted upwards after printing is finished, the printing nozzle is far away from the printing substrate, when the spray printing support is in a non-printing state, the position of the moisturizing support is adjusted through the horizontal lead screw module, a moisturizing sealing frame, a wiping rod and a wiping sheet on the moisturizing support are enabled to correspond to the position of the printing nozzle, then the position of the printing support is properly adjusted downwards, the printing nozzle is enabled to be in contact with the wiping sheet, the wiping rod is controlled to move at the moment, the wiping sheet hangs residual ink and dirt on the printing nozzle, after wiping is finished, the wiping rod returns to the position, the position of the spray printing support is continuously adjusted downwards, the printing nozzle extends into the moisturizing sealing frame, and the mounting strip of the printing nozzle and the moisturizing sealing frame are enabled to be in a sealing matching state, when the ink box is used specifically, a certain amount of ink can be stored in the printing sealing frame, so that the printing nozzle is not exposed in the air, a good printing state is kept, and the ink box is convenient for subsequent printing and use.
The printing nozzle ink inlet is connected with the main ink box through an ink inlet pipe, the ink outlet is connected with the backflow ink box through an ink return pipe, the main ink box and the backflow ink box are connected with the negative pressure device and the main ink barrel, a double negative pressure mode is adopted, ink circulation is achieved, meanwhile, ink in the printing nozzle is guaranteed not to drip, bubbles and impurities generated in the printing process are guaranteed to be taken away in time, and stability of ink supply and ink is guaranteed.
The printing nozzle mounting bars are arranged in a circular arc shape, the moisturizing sealing frames are arranged in a circular arc shape, the ink scraping rods are arranged in a circular arc shape, and the ink scraping sheets are arranged in a circular arc shape, so that the printing nozzle mounting bars can be conveniently matched with a printing substrate which uses a spray printing roller to convey the substrate.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of an inkjet printing support;
FIG. 3 is a schematic structural view of a moisturizing bracket;
FIG. 4 is a schematic diagram of the ink supply system;
in the attached figure, 1-a spray printing support, 2-a printing nozzle mounting strip, 3-a printing nozzle, 4-a vertical screw module, 5-a transverse screw module, 6-a moisturizing support, 7-a moisturizing sealing frame, 8-an ink scraping rod, 9-an ink scraping sheet, 10-a main ink box, 11-a backflow ink box, 12-a main ink barrel, 13-a main negative pressure bottle, 14-a negative pressure pump, 15-a positive pressure pump, 16-a backflow pump, 17-a backflow negative pressure bottle and 18-a control panel.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
As shown in fig. 1 to 4, a jet printing component of a digital printing machine comprises a jet printing support 1, printing nozzle mounting strips 2 arranged side by side are arranged on the jet printing support 1, printing nozzles 3 are arranged on the printing nozzle mounting strips 2, the positions of the printing nozzles on two adjacent printing nozzle mounting strips 2 are correspondingly arranged, so that two printing nozzles are mounted side by side, a gap is formed between the nozzles of each nozzle, once a row of nozzles of one nozzle is blocked, a white line which can be seen by naked eyes can be formed, two printing nozzles are assembled side by side in a double-assembling mode, so that the nozzles of the two nozzles are staggered, when one printing nozzle is blocked or damaged, another printing nozzle mounted side by side can be used for printing, the probability that the two nozzles are blocked is very low, once one nozzle is blocked, the other nozzle can normally jet print and can make up the problem, the stability of spouting the seal is improved, the printing shower nozzle that will break down in time of being convenient for is dismantled the maintenance.
In this embodiment, spout seal support 1 and connect vertical lead screw module 4, the below of spouting seal support is equipped with horizontal lead screw module 5, horizontal lead screw module connects the support of moisturizing 6, be equipped with the sealed frame of moisturizing 7 on the support of moisturizing, the position of the sealed frame of moisturizing is corresponding with the position of printing the shower nozzle, it is equipped with scraping black pole 8 to slide on the support of moisturizing, it scrapes black piece 9 to scrape to be equipped with on the black pole, the position of scraping black piece is corresponding with the position of printing the shower nozzle, specifically, can set up the belt that is reciprocating motion by motor drive on the support of moisturizing, it sets up on the belt to scrape black pole, the realization is scraped the relative slip of black pole for the support of moisturizing.
In practical use, the position of the spray printing support can be adjusted up and down through the vertical lead screw module, so that the position of the printing nozzle is adjusted, when printing is performed, the position of the printing nozzle is adjusted downwards to be close to a printing substrate, the position of the printing nozzle is adjusted upwards after printing is completed, the printing nozzle is far away from the printing substrate, when the printing support is in a non-printing state, the position of the moisturizing support is adjusted through the horizontal lead screw module, a moisturizing sealing frame, a scraping rod and a scraping sheet on the moisturizing support correspond to the position of the printing nozzle, then the position of the printing support is properly adjusted downwards, the printing nozzle is contacted with the scraping sheet, the scraping rod is controlled to move at the moment, the scraping sheet hangs residual ink and dirt on the printing nozzle, after scraping is completed, the scraping rod returns to the position, the position of the spray printing support is continuously adjusted downwards, the printing nozzle extends into the moisturizing sealing frame, and the printing nozzle mounting strip and the moisturizing sealing frame are in a sealing fit state, can deposit a certain amount of ink in printing the seal frame during specific use, make like this to print the shower nozzle and can not expose in the air, keep well waiting to print the state, the follow-up printing of being convenient for is used, in order to deposit incomplete china ink and the foul of scraping, the bottom of the support of moisturizing sets up to the pool shape structure, deposits incomplete china ink and the foul of scraping, prevents to pollute other parts, is convenient for centralized processing incomplete china ink and foul.
In this embodiment, the ink supply system adopts dual negative pressure circulation ink supply, the printing nozzle is provided with an ink inlet and an ink outlet, the ink inlet is connected with a main ink box 10 through an ink inlet pipe, the ink outlet is connected with a return ink box 11 through an ink return pipe, the main ink box and the return ink box are both connected with a negative pressure device and a main ink barrel 12, specifically, the main ink box is provided with an ink inlet and an air vent, the ink inlet of the main ink box is connected with the main ink barrel through a connecting pipeline, an ink supply pump, a filter and a degasser are arranged on the connecting pipeline between the ink inlet of the main ink box and the main ink barrel, the air vent of the main ink box is connected with one inlet of a three-way valve, one outlet of the three-way valve is connected with a main negative pressure bottle 13, the main negative pressure bottle is connected with a negative pressure pump 14 through a valve, and the other outlet of the three-way valve is connected with a positive pressure pump 15;
the backflow ink box is provided with an ink outlet and an air vent, the ink outlet of the backflow ink box is connected with a backflow pump 16, the backflow pump is connected with a main ink barrel, the air vent of the backflow ink box is connected with a backflow negative pressure bottle 17, and the backflow negative pressure bottle is connected with a negative pressure pump through a valve.
In actual use, the ink supply system is provided with a control panel 18 for controlling the states of the pump and the valve to control the air pressure of the negative pressure device, the main negative pressure bottle generates negative pressure for the main ink box, the backflow negative pressure bottle generates negative pressure for the backflow ink box, the main ink box adopts low negative pressure, the backflow ink box adopts high negative pressure to generate negative pressure difference, the ink is ensured to return to the backflow ink box from the main ink box through the printing nozzle, the ink of the backflow ink box returns to the main ink barrel, the main ink barrel returns to the main ink box through the ink supply pump, a double negative pressure mode is adopted, through controlling the pressure difference, the ink is normally circulated, meanwhile, the ink in the printing nozzle is also ensured not to drip, bubbles and impurities generated in the printing process are taken away in time, and the stability of the ink supply and the ink is ensured.
The applicant develops a wide-width high-speed full-color water-based printing mode for a drum substrate for conveying a substrate by a drum, and develops a spray printing assembly matched with the drum substrate for use, wherein in order to match with the shape of the substrate for conveying the substrate by the drum, printing spray head mounting strips are arranged in a circular arc shape, a moisturizing sealing frame is arranged in a circular arc shape, ink scraping rods are arranged in a circular arc shape, and ink scraping sheets are arranged in a circular arc shape and are matched with the shape of the substrate printed on the drum.
The utility model provides a digital printing machine spout seal subassembly, through printing shower nozzle double pin design, guarantee to spout seal stability, adopt two negative pressure circulation to supply ink, make bubble and the impurity that produces in the printing process in time taken away, guarantee to supply the stability of ink and ink, set up and moisturize and scrape the china ink structure, it is in good printing state to keep printing the shower nozzle, be favorable to improving and spout seal quality and stability, it adopts convex design to print the shower nozzle and moisturize and scrape the china ink structure, carry substrate mode cooperation with the cylinder and use, be applied to the high-speed full-color aqueous printing of reel substrate broad width, the substrate width reaches more than 1 meter, speed exceeds 100 meters/minute, printing process is advanced.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a digital printing machine spout seal subassembly, its characterized in that, is including spouting the seal support, spout the printing shower nozzle mounting bar that is equipped with on the seal support and sets up side by side, it prints the shower nozzle to be equipped with on the shower nozzle mounting bar, adjacent two to print the shower nozzle position of printing on the shower nozzle mounting bar and correspond the setting.
2. The digital printing machine's jet printing subassembly of claim 1, wherein the jet printing support is connected with a vertical screw module, a horizontal screw module is arranged below the jet printing support, the horizontal screw module is connected with a moisturizing support, a moisturizing sealing frame is arranged on the moisturizing support, the position of the moisturizing sealing frame corresponds to the position of the printing nozzle, an ink scraping rod is slidably arranged on the moisturizing support, an ink scraping sheet is arranged on the ink scraping rod, and the position of the ink scraping sheet corresponds to the position of the printing nozzle.
3. The inkjet printing assembly of a digital printer according to claim 2, wherein the printing nozzle has an ink inlet and an ink outlet, the ink inlet is connected to the main ink tank through an ink inlet pipe, the ink outlet is connected to the return ink tank through an ink return pipe, and the main ink tank and the return ink tank are connected to the negative pressure device and the main ink tank.
4. The jet printing assembly of the digital printer according to claim 3, wherein the main ink cartridge is provided with an ink inlet and an air vent, the ink inlet of the main ink cartridge is connected with the main ink barrel through a connecting pipeline, an ink supply pump, a filter and a degasser are arranged on the connecting pipeline between the ink inlet of the main ink cartridge and the main ink barrel, the air vent of the main ink cartridge is connected with one inlet of a three-way valve, one outlet of the three-way valve is connected with a main negative pressure bottle, the main negative pressure bottle is connected with a negative pressure pump through a valve, and the other outlet of the three-way valve is connected with a positive pressure pump;
the backflow ink box is provided with an ink outlet and an air vent, the ink outlet of the backflow ink box is connected with a backflow pump, the backflow pump is connected with the main ink barrel, the air vent of the backflow ink box is connected with a backflow negative pressure bottle, and the backflow negative pressure bottle is connected with a negative pressure pump through a valve.
5. The inkjet printing assembly of a digital printer according to claim 2, 3 or 4, wherein the printing nozzle mounting bars are arranged in a circular arc shape, the moisturizing sealing frame is arranged in a circular arc shape, the ink scraping rod is arranged in a circular arc shape, and the ink scraping plates are arranged in a circular arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120347799.7U CN214449522U (en) | 2021-02-07 | 2021-02-07 | Jet printing assembly of digital printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120347799.7U CN214449522U (en) | 2021-02-07 | 2021-02-07 | Jet printing assembly of digital printing machine |
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| Publication Number | Publication Date |
|---|---|
| CN214449522U true CN214449522U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120347799.7U Active CN214449522U (en) | 2021-02-07 | 2021-02-07 | Jet printing assembly of digital printing machine |
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| CN (1) | CN214449522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475001A (en) * | 2021-12-29 | 2022-05-13 | 深圳市润天智数字设备股份有限公司 | Ink-jet head moisturizing mechanism and ink-jet printer |
-
2021
- 2021-02-07 CN CN202120347799.7U patent/CN214449522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475001A (en) * | 2021-12-29 | 2022-05-13 | 深圳市润天智数字设备股份有限公司 | Ink-jet head moisturizing mechanism and ink-jet printer |
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