CN207359883U - A kind of digital printer ink supply constant negative pressure device - Google Patents
A kind of digital printer ink supply constant negative pressure device Download PDFInfo
- Publication number
- CN207359883U CN207359883U CN201720987484.2U CN201720987484U CN207359883U CN 207359883 U CN207359883 U CN 207359883U CN 201720987484 U CN201720987484 U CN 201720987484U CN 207359883 U CN207359883 U CN 207359883U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- holding meanss
- ink
- spring
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Ink Jet (AREA)
Abstract
The utility model discloses a kind of digital printer ink supply constant negative pressure device, its structure includes vacuum pump, check valve, negative pressure holding meanss, secondary protection device, minipump, two level ink sac device, print cartridge, Ricoh's nozzle, secondary protection device is connected with two level ink sac device by tracheae, print cartridge is connected with minipump by black pipe, minipump is connected with two level ink sac device by black pipe, two level ink sac device is connected with Ricoh's nozzle by black pipe, negative pressure holding meanss are by gland, membrane, partition, sealing ring, spring, negative pressure cylinder, spring top, gas-tpe fitting, bottom cover, B/P EGR Back Pressure Transducer EGR forms.The beneficial effects of the utility model:Negative pressure holding meanss make whole ink feeding system internal pressure consistent, so as to have a constant negative pressure in Ricoh's spray nozzle, ink forms a stable meniscus, apparatus structure is simple, negative pressure holding meanss can adjust the change of ink feeding system air pressure inside, therefore the device can be kept compared with lower negative pressure for a long time.
Description
Technical field
The utility model is a kind of digital printer ink supply constant negative pressure device, belongs to ink supply constant negative pressure technical field.
Background technology
In ink-jet printing technology, the ink in nozzle is voluntarily flowed out from nozzle in order to prevent, it is desirable on nozzle
Air pressure in the print cartridge of side is less than atmospheric pressure, i.e., a negative pressure is formed in two level ink sac.Suitable negative pressure can be positioned at spray
A stable meniscus is formed in the nozzle of head bottom surface.If negative pressure value is too small, meniscus can not be formed, and ink can be from nozzle
Outflow.If negative pressure value is excessive, in print procedure, it is impossible to spray ink, block nozzle.If negative pressure value is unstable,
It can influence print quality.Due to the ink volume in two level ink sac since printing or print cartridge ink supply lamp reason can diminish or become larger,
Gas volume in two level ink sac is caused correspondingly to become larger or diminish so that nozzle cannot form a stable meniscus.
Vacuum pump is described in detail in existing patent and extracts having for negative pressure：Chinese Patent Application No. is
02205394.8《Ink way negative pressure system of ink-jet drawing machine》It is 201010135256.5 with Chinese Patent Application No.《A kind of digital print
Brush machine ink feeding system and method》.Describe in this two parts of patents and air is extracted by vacuum pump, while life is adjusted by throttle valve
Produce the size of negative pressure.This method not only will adjust throttle valve size manually in start, also be exported in vacuum pump work
The fluctuation of air-flow causes its negative pressure unstable.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of digital printer ink supply constant negative pressure
Device, to solve to have compared with strong anti-interference ability while many devices cannot produce relatively low required negative pressure, and is adjusted not
Just the problem of.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of digital printer
Ink supply constant negative pressure device, its structure include vacuum pump, check valve, negative pressure holding meanss, secondary protection device, micro vacuum
Pump, two level ink sac device, print cartridge, Ricoh's nozzle, the vacuum pump are connected with check valve by tracheae, the check valve and negative pressure
Holding meanss are connected by tracheae, and the negative pressure holding meanss are connected with secondary protection device by tracheae；
The secondary protection device is connected with minipump by tracheae, the minipump and two level ink sac device
Connected by black pipe, the two level ink sac device is connected with print cartridge and Ricoh's nozzle by black pipe respectively；
The negative pressure holding meanss are connect by gland, membrane, partition, sealing ring, spring, negative pressure cylinder, spring top, tracheae
Head, bottom cover, B/P EGR Back Pressure Transducer EGR composition, the gland, membrane, partition, sealing ring, spring, negative pressure cylinder, spring top and bottom cover
With being on a center line, the gland is located at the bottom of whole device, and the membrane, partition, sealing ring and spring are arranged on
Between gland and negative pressure cylinder, the negative pressure cylinder is integrated with spring top, the bottom cover upper end be equipped with gas-tpe fitting and
B/P EGR Back Pressure Transducer EGR.
Further, the inside of secondary protection device 4 is equipped with liquid level sensor, prevents because inside two level ink sac device 6
Liquid level sensor damages so that ink enters negative pressure holding meanss 3.
Further, spring and membrane form in negative pressure holding meanss, the change of ink volume in two level ink sac device
Caused gas pressure change is neutralized by spring and membrane, remains unchanged pressure.
Further, the check valve 2 can extract the air in negative pressure holding meanss 3 when vacuum pump 1 works, again
It can make it that device is air tight when vacuum pump 2 is stopped.
Further the B/P EGR Back Pressure Transducer EGR 310 can detect and produce electric signal and give and PLC control vacuum pumps 1
Opening and closing.
Further, the power source for acting as negative pressure system stabilization of the vacuum pump.
Further, a kind of negative pressure generation method is also provided, controls vacuum pump 1 to start by PLC, negative pressure is extracted and keeps dress
Put 3 inner airs so that 3 inner spring 305 of negative pressure holding meanss is shunk and membrane 302 is by sagging to set-point, and vacuum pump stops work
After work, negative pressure holding meanss provide the negative pressure of a lasting stability to whole ink feeding system；Pass through B/P EGR Back Pressure Transducer EGR 310 and PLC
Automatically adjust the negative pressure value of ink supply.
The beneficial effects of the utility model, its structure are equipped with negative pressure holding meanss, by the change of membrane, keep negative pressure system
System is stablized, while detects the pressure value of negative pressure system.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of digital printer ink supply constant negative pressure device of the utility model；
Fig. 2 is a kind of structural representation of digital printer ink supply constant negative pressure device negative pressure holding meanss of the utility model
Figure.
In figure：Vacuum pump -1, check valve -2, negative pressure holding meanss -3, secondary protection device -4, minipump -5, two
Level ink sac device -6, print cartridge -7, Ricoh's nozzle -8, gland -301, membrane -302, partition -303, sealing ring -304, spring -
305th, negative pressure cylinder -306, spring top -307, gas-tpe fitting -308, bottom cover -309, B/P EGR Back Pressure Transducer EGR -310, liquid level sensor -
601。
Embodiment
To make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, below
With reference to embodiment, the utility model is expanded on further.
Please refer to Fig.1, Fig. 2, the utility model provides a kind of digital printer ink supply constant negative pressure device technique scheme：Its
Structure includes vacuum pump 1, check valve 2, negative pressure holding meanss 3, secondary protection device 4, minipump 5, two level ink sac device
6th, print cartridge 7, Ricoh's nozzle 8, the vacuum pump 1 are connected with check valve 2 by tracheae, the check valve 2 and negative pressure holding meanss
3 are connected by tracheae, and the negative pressure holding meanss 3 are connected with secondary protection device 4 by tracheae, the secondary protection device 4
It is connected with minipump 5 by tracheae, the minipump 5 is connected with two level ink sac device 6 by black pipe, the two level
Ink sac device 6 is connected with print cartridge 7 and Ricoh's nozzle 8 by black pipe respectively, and the negative pressure holding meanss 3 are by gland 301, membrane
302nd, partition 303, sealing ring 304, spring 305, negative pressure cylinder 306, spring top 307, gas-tpe fitting 308, bottom cover 309, negative pressure
Sensor 310 forms, the gland 301, membrane 302, partition 303, sealing ring 304, spring 305, negative pressure cylinder 306, spring top
First 307 and bottom cover 309 with being on a center line, the gland 301 is located at the bottom of whole device, the membrane 302,
Partition 303, sealing ring 304 and spring 305 are arranged between gland 301 and negative pressure cylinder 306, the negative pressure cylinder 306 and spring top
307 are integrated, and 309 upper end of bottom cover is equipped with gas-tpe fitting 308 and B/P EGR Back Pressure Transducer EGR 310, the spring 305 with
307 clearance fit of spring top, the two level ink sac device 6 are equipped with liquid level sensor 601, and the negative pressure holding meanss 3 are
Cylindrical, the secondary protection device 4 are rectangular shape, the power for acting as negative pressure system stabilization of the vacuum pump 1
Source, the secondary protection device 4 act as preventing some hole position liquid level sensor inside two level ink sac device from breaking down, make
Obtain the second barrier that ink flows into negative pressure holding meanss.
When being debugged when being used, a given negative pressure value and preservation, after start, vacuum pump are inputted on the touchscreen
1 starts to work, and the air in negative pressure holding meanss 3, secondary protection device 4, two level ink sac device 6 is started to discharge, membrane 302
Started by negative pressure pressure recessed, negative pressure, while secondary protection device 4 and two level ink sac are initially formed inside negative pressure holding meanss 3
Device 6 is synchronous to form a negative pressure system, and 310 B/P EGR Back Pressure Transducer EGRs export the voltage of 0-10V to PLC by internal pressure change,
When PLC detects negative pressure holding meanss internal negative pressure in set-point, vacuum pump is stopped.At the same time in two level ink sac device 6
Portion's constant negative pressure is formed, and 8 injection hole surface of Ricoh's nozzle forms a stable meniscus so that ink will not be flowed out from spray orifice
It is unlikely to block spray orifice, when digital printer starts printing, 6 internal ink volume change of two level ink sac device occurs with when working
Gas infiltration and the internal negative pressure change that brings of the Minute pores that bring of when 1 pumping ink of vacuum pump, by negative pressure holding meanss 3 every
The rising of film 302 causes negative pressure system to be stabilized, when membrane 302, which gos up, is not enough to be maintained at set-point, negative pressure sensing
Device 310 is started to work, is stopped after stablizing to PLC signals, PLC control vacuum pumps 1 after detecting.So that in ink feeding system
Negative pressure, which is permanently retained in, can be such that nozzle is formed in the negative pressure value of meniscus.
The utility model vacuum pump 1, check valve 2, negative pressure holding meanss 3, secondary protection device 4, minipump 5, two
Level ink sac device 6, print cartridge 7, Ricoh's nozzle 8, gland 301, membrane 302, partition 303, sealing ring 304, spring 305, negative pressure cylinder
306th, spring top 307, gas-tpe fitting 308, bottom cover 309, B/P EGR Back Pressure Transducer EGR 310,601 component of liquid level sensor are the universal standard
The component that part or those skilled in the art know, wherein the structural principle of each component is as follows：
Vacuum pump：The power source that negative pressure system is stablized；
Check valve：When preventing that vacuum pump is stopped, extraneous air flows into negative pressure system；
Negative pressure holding meanss：By the change of membrane, negative pressure system is kept to stablize, while detect the pressure of negative pressure system
Value；
Secondary protection device：Prevent some hole position liquid level sensor inside two level ink sac device from breaking down so that ink
Water flows into the second barrier of negative pressure holding meanss；
Minipump：Ink is extracted at print cartridge 7 and removes two level ink sac；
Two level ink sac device：Give nozzle ink supply；
Print cartridge：Various ink placement positions；
Ricoh's nozzle：Print execution mechanism；
Its structure and principle are all that this technology personnel can be learnt by technical manual or be known by normal experiment method,
The utility model solves the problems, such as it is many devices its negative pressure display unobvious pressure transient, so as to influence to use, this practicality
New being combined with each other by above-mentioned component, its structure are equipped with negative pressure holding meanss, by the change of membrane, keep negative pressure system
Stablize, while detect the pressure value of negative pressure system.
It is described in detail below：
The negative pressure holding meanss 3 are by gland 301, membrane 302, partition 303, sealing ring 304, spring 305, negative pressure cylinder
306th, spring top 307, gas-tpe fitting 308, bottom cover 309, B/P EGR Back Pressure Transducer EGR 310 form, the gland 301, membrane 302, every
Piece 303, sealing ring 304, spring 305, negative pressure cylinder 306, spring top 307 and bottom cover 309 are same to be on a center line, institute
The bottom that gland 301 is located at whole device is stated, the membrane 302, partition 303, sealing ring 304 and spring 305 are arranged on gland 301
Between negative pressure cylinder 306, the negative pressure cylinder 306 is integrated with spring top 307, and 309 upper end of bottom cover is equipped with gas
Pipe fitting 308 and B/P EGR Back Pressure Transducer EGR 310.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (3)
- A kind of 1. digital printer ink supply constant negative pressure device, it is characterised in that：Its structure includes vacuum pump (1), check valve (2), negative pressure holding meanss (3), secondary protection device (4), minipump (5), two level ink sac device (6), print cartridge (7), reason Light nozzle (8), the vacuum pump (1) are connected with check valve (2) by tracheae, the check valve (2) and negative pressure holding meanss (3) Connected by tracheae, the negative pressure holding meanss (3) are connected with secondary protection device (4) by tracheae, it is characterised in that：The secondary protection device (4) is connected with minipump (5) by tracheae, the minipump (5) and two level ink Bag apparatus (6) is connected by black pipe, and the two level ink sac device (6) passes through black Guan Lian with print cartridge (7) and Ricoh's nozzle (8) respectively Connect；The negative pressure holding meanss (3) by gland (301), membrane (302), partition (303), sealing ring (304), spring (305), Negative pressure cylinder (306), spring top (307), gas-tpe fitting (308), bottom cover (309), B/P EGR Back Pressure Transducer EGR (310) composition, the pressure Cover (301), membrane (302), partition (303), sealing ring (304), spring (305), negative pressure cylinder (306), spring top (307), With bottom cover (309) with being on a center line, the gland (301) is located at the bottom of whole device, the membrane (302), Partition (303), sealing ring (304) and spring (305) are arranged between gland (301) and negative pressure cylinder (306), the negative pressure cylinder (306) it is integrated with spring top (307), bottom cover (309) upper end is equipped with gas-tpe fitting (308) and negative pressure senses Device (310).
- A kind of 2. digital printer ink supply constant negative pressure device according to claim 1, it is characterised in that：The two level is protected Equipped with prevention because two level ink sac device (6) inside liquid level sensor degradation causes ink to be kept into negative pressure inside protection unit (4) The liquid level sensor of device (3).
- A kind of 3. digital printer ink supply constant negative pressure device according to claim 1, it is characterised in that：Negative pressure keeps dress There are spring and membrane to form in putting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720987484.2U CN207359883U (en) | 2017-08-08 | 2017-08-08 | A kind of digital printer ink supply constant negative pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720987484.2U CN207359883U (en) | 2017-08-08 | 2017-08-08 | A kind of digital printer ink supply constant negative pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207359883U true CN207359883U (en) | 2018-05-15 |
Family
ID=62421829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720987484.2U Active CN207359883U (en) | 2017-08-08 | 2017-08-08 | A kind of digital printer ink supply constant negative pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207359883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773190A (en) * | 2018-06-11 | 2018-11-09 | 安徽天斯努信息技术股份有限公司 | A kind of cloud printer ink sac continuous feeding device |
-
2017
- 2017-08-08 CN CN201720987484.2U patent/CN207359883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773190A (en) * | 2018-06-11 | 2018-11-09 | 安徽天斯努信息技术股份有限公司 | A kind of cloud printer ink sac continuous feeding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206367288U (en) | Ink-cases of printers | |
| US7484838B2 (en) | Liquid storage container, and liquid discharge recording apparatus using the container | |
| CN103895357B (en) | Ink feeding system | |
| WO2018064973A1 (en) | Ink circulating system used for a circulating printhead | |
| CN103963475B (en) | A kind of multistage ink feeding system | |
| CN206367289U (en) | Print cartridge and the printer using the print cartridge | |
| CN106799894B (en) | Ink feeding system | |
| CN207359883U (en) | A kind of digital printer ink supply constant negative pressure device | |
| CN102101386A (en) | Circulating ink supply device | |
| CN206201686U (en) | One kind three cavity negative pressure ink supply systems of circulation | |
| US8857933B2 (en) | Ink supply reservoir | |
| CN103085478B (en) | Ink-jet system of printed circuit board ink-jet printer | |
| CN205364840U (en) | One step of external company of installation formula supplies ink bottle | |
| CN103832081A (en) | Ink leakage prevention ink box of ink-jet printer | |
| CN211416658U (en) | Ink supply circulating system of ink-jet printer | |
| CN107867077B (en) | A kind of automatic continuous plus ink print cartridge | |
| CN103171300B (en) | Printer ink cartridge | |
| JP4125250B2 (en) | Liquid storage container and recording apparatus using the container | |
| CN108045095B (en) | A kind of quantitative automatic plus black print cartridge of push-press type | |
| CN216268233U (en) | UV printing apparatus negative pressure circulation ink supply unit | |
| CN203957536U (en) | A kind of cartridge of printer | |
| CN207747578U (en) | A kind of digital printer ink supply constant negative pressure device | |
| CN103895358A (en) | Printer ink box | |
| CN206067205U (en) | What a kind of printer was special surveys the external print cartridge of black position | |
| CN202428834U (en) | Continuous ink supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220711 Address after: 518000 No.5 Fumin Road, Fumin Industrial Zone, Pinghu street, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN WONDER PRINTING SYSTEM Co.,Ltd. Address before: 518000 third floor, No. 5, Fumin Road, Fumin Industrial Zone, Pinghu street, Longgang District, Shenzhen, Guangdong Province Patentee before: SHENZHEN WANDE ROBOT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 101, No. 7, Fengshun Road, Tongxin Community, Baolong Street, Longgang District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Wande Digital Technology Co.,Ltd. Address before: 518000 No.5 Fumin Road, Fumin Industrial Zone, Pinghu street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN WONDER PRINTING SYSTEM Co.,Ltd. |
|
| CP03 | Change of name, title or address |