CN213891839U - Printing ink recovery unit - Google Patents

Printing ink recovery unit Download PDF

Info

Publication number
CN213891839U
CN213891839U CN202022586526.6U CN202022586526U CN213891839U CN 213891839 U CN213891839 U CN 213891839U CN 202022586526 U CN202022586526 U CN 202022586526U CN 213891839 U CN213891839 U CN 213891839U
Authority
CN
China
Prior art keywords
ink
filter
communicated
liquid
pump
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
Application number
CN202022586526.6U
Other languages
Chinese (zh)
Inventor
黄晓佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Dongfeng New Materials Group Co ltd
Original Assignee
Shantou Dongfeng Printing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shantou Dongfeng Printing Co Ltd filed Critical Shantou Dongfeng Printing Co Ltd
Priority to CN202022586526.6U priority Critical patent/CN213891839U/en
Application granted granted Critical
Publication of CN213891839U publication Critical patent/CN213891839U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Ink Jet (AREA)

Abstract

The utility model discloses an ink recovery device, which comprises an ink jet, a recovery funnel, an ink pump, a storage device and a valve which are arranged along the circulation path of ink in sequence; the nozzle of the ink jet device is communicated with the liquid inlet of the recycling hopper, the liquid inlet of the ink pump is communicated with the liquid outlet of the recycling hopper, the liquid outlet of the ink pump is communicated with the storage device, the liquid inlet of the valve is communicated with the storage device, and the liquid outlet of the valve is communicated with the liquid inlet of the ink jet device. The utility model discloses can recycle printing ink, save printing ink while also the treatment capacity of pollutant, also reduce the time of artifical change printing ink, improve the efficiency of the test of printing ink parameter and performance, belong to recovery unit's technical field.

Description

Printing ink recovery unit
Technical Field
The utility model relates to a recovery unit's technical field especially relates to a printing ink recovery unit.
Background
With the development of society, personalized printing or small-batch multi-variety prints are more and more, and the digital printing mode is the best choice for small-batch multi-variety personalized prints due to the characteristic that each printing mode can be changed without manufacturing printing plates and corresponding consumables. The digital printing mode makes up the defects of the traditional printing mode, the key parts of the digital printing are the spray heads and the corresponding ink control parameters, the ink of different manufacturers and the spray heads of different manufacturers need to be repeatedly tested on an ink drop observer, the driving waveform of the ink, the amount of single ink discharge, the continuity, the fluency, the continuity and the like of the ink discharge are tested, particularly, the fluency test needs to continuously spray ink for more than half an hour when testing each parameter, so that the fluency can be judged well, ink is required to be sprayed for more than half an hour when changing each parameter, a lot of original ink is required to be wasted after one test, the research and development investment cost is increased, and the amount of dangerous waste is increased.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: the utility model provides a printing ink recovery unit, the utility model discloses can recycle printing ink, save printing ink while also the treatment capacity of pollutant, also reduced the time of artifical change printing ink, improve the efficiency of the test of printing ink parameter and performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an ink recovery device comprises an ink jet, a recovery bucket, an ink pump, a storage and a valve which are arranged along the circulation path of ink in sequence; the nozzle of the ink jet device is communicated with the liquid inlet of the recycling hopper, the liquid inlet of the ink pump is communicated with the liquid outlet of the recycling hopper, the liquid outlet of the ink pump is communicated with the liquid inlet of the storage device, the liquid inlet of the valve is communicated with the liquid outlet of the storage device, and the liquid outlet of the valve is communicated with the liquid inlet of the ink jet device.
Further, the method comprises the following steps: the recycling hopper is internally provided with a first liquid level detector and a second liquid level detector, the first liquid level detector is positioned above a liquid outlet of the recycling hopper, and the second liquid level detector is positioned above the first liquid level detector.
Further, the method comprises the following steps: the ink recovery device also comprises a first filter, a second filter and a third filter; the first filter, the second filter and the third filter are all located between the recovery hopper and the ink pump, the first filter, the second filter and the third filter are sequentially communicated, the first filter is communicated with a liquid outlet of the recovery hopper, and the third filter is communicated with a liquid inlet of the ink pump.
Further, the method comprises the following steps: the ink recovery device further comprises a fourth filter; the fourth filter is positioned between the valve and the ink jet device, and the liquid outlet of the valve is communicated with the liquid inlet of the ink jet device through the fourth filter.
Further, the method comprises the following steps: the ink recovery device also comprises a negative pressure pump and a negative pressure pipe; the storage device is provided with a storage cavity and an air hole communicated with the storage cavity, the negative pressure pipe is inserted in the air hole, and the negative pressure pipe is connected with the negative pressure pump.
Further, the method comprises the following steps: the storage cavity is internally provided with a separation net which is positioned between the liquid inlet of the storage and the liquid outlet of the storage.
Compared with the prior art, the utility model, its beneficial effect lies in: this printing ink recovery unit can retrieve spun printing ink to through handling reuse, solve and need the big problem of printing ink volume at printing ink test phase, save printing ink, reduce printing ink research and development cost and the useless production of danger. Be equipped with first liquid level detector and second liquid level detector in retrieving the fill, can realize opening and stopping of automatic control ink jet set and ink pump, separate the foam that net and negative pressure pipe can clear away in the printing ink, cause the broken string to lead to unable jet printing when preventing the ink jet set from spouting because of having the foam. This printing ink recovery unit simple structure, reuse after printing ink filters prevents that the ink jet set from receiving the pollution.
Drawings
FIG. 1 is a schematic view of the connection of an ink recovery device.
Fig. 2 is a schematic view of the structure of the screen.
In the figure, 1 is an ink jet, 2 is a recycling hopper, 3 is an ink pump, 4 is a storage, 5 is a valve, 6 is a first liquid level detector, 7 is a second liquid level detector, 8 is a first filter, 9 is a second filter, 10 is a third filter, 11 is a fourth filter, 12 is a separation net, 13 is an ink outlet pipe, 14 is an ink supply pipe, 15 is a negative pressure pump, 16 is a negative pressure pipe, 17 is an ink recycling pipe, and 41 is a storage cavity.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For convenience of description, unless otherwise noted, the up-down direction described below coincides with the up-down direction of fig. 1 itself, and the left-right direction described below coincides with the left-right direction of fig. 1 itself.
As shown in fig. 1 to 2, the present embodiment provides an ink recovery apparatus, which includes an inkjet device 1, a recovery tank 2, an ink pump 3, a reservoir 4, and a valve 5, which are sequentially disposed along a flow path of ink; the nozzle of the ink jet device 1 is communicated with the liquid inlet of the recovery hopper 2, the liquid inlet of the ink pump 3 is communicated with the liquid outlet of the recovery hopper 2, the liquid outlet of the ink pump 3 is communicated with the storage device 4, the liquid inlet of the valve 5 is communicated with the storage device 4, and the liquid outlet of the valve 5 is communicated with the liquid inlet of the ink jet device 1. The ink jet device 1 is provided with a liquid inlet, a nozzle, corresponding driving software and an image shooting system, and the recovery hopper 2, the ink pump 3, the storage 4 and the valve 5 are provided with a liquid outlet and a liquid inlet. The liquid inlet of the recovery bucket 2 is arranged at the upper end of the recovery bucket 2, and the liquid outlet of the recovery bucket 2 is arranged at the right side of the lower end of the recovery bucket 2. The ink jet device 1 is arranged right above the recovery hopper 2 and is connected with the recovery hopper 2 in a sealing way, and the recovery hopper 2 and the periphery of the ink jet device 1 are sealed to ensure that the ejected ink cannot leak. An ink outlet pipe 13 is connected to the outlet of the recycling duct 2, and the recycling duct 2 is communicated with the inlet of the ink pump 3 through the ink outlet pipe 13. An ink supply pipe 14 is connected to an ink outlet of the ink pump 3, the ink supply pipe 14 is communicated with an ink inlet of the reservoir 4, and the ink pump 3 is communicated with the reservoir 4 through the ink supply pipe 14. An ink return pipe 17 is connected to the liquid outlet of the reservoir 4, and the reservoir 4 is communicated with the ink jet device 1 through the ink return pipe 17. The ink jet device 1 ejects ink from the nozzle, the ink falls into the recovery duct 2, and then returns from the recovery duct 2 to the ink jet device 1 through the ink outlet pipe 13, the ink delivery pipe 14, and the ink return pipe 17 by the ink pump 3, completing the circulation.
Specifically, in one embodiment, a first liquid level detector 6 and a second liquid level detector 7 are arranged in the recovery bucket 2, the first liquid level detector 6 is positioned above the liquid outlet of the recovery bucket 2, and the second liquid level detector 7 is positioned above the first liquid level detector 6. The liquid outlet of retrieving fill 2 is close to the bottom of retrieving fill 2, and first liquid level detector 6 is located the top of retrieving the inside liquid outlet of fill 2 and is close to the liquid outlet, and second liquid level detector 7 is located first liquid level detector 6 directly over, and first liquid level detector 6 and second liquid level detector 7 can detect the liquid level of the printing ink in retrieving fill 2. When first liquid level detector 6 detects the liquid level and has the signal, just send the signal for control system, control system control ink pump 3 starts the start-up and begins work, when first liquid level detector 6 can not detect the liquid level, ink pump 3 stop work at once, because first liquid level detector 6 installs the top at the liquid outlet of retrieving fill 2, the height of ink is still higher than the liquid outlet of retrieving fill 2 after ink pump 3 stops work at once, guarantee that the junction of going out ink pipe 13 and retrieving fill all the time with the ink, thereby effectively prevent the air admission. When the second liquid level detector 7 detects a signal, the ink ejector 1 stops ejecting ink or slows down the ink ejection speed, and the ink pump 3 pumps up the ink to prevent the ink from overflowing the recovery hopper 2.
Specifically, in one embodiment, the ink recovery device further includes a first filter 8, a second filter 9, a third filter 10; the first filter 8, the second filter 9 and the third filter 10 are all located between the recovery hopper 2 and the ink pump 3, the first filter 8, the second filter 9 and the third filter 10 are sequentially communicated, the first filter 8 is communicated with a liquid outlet of the recovery hopper 2, and the third filter 10 is communicated with a liquid inlet of the ink pump 3. The first filter 8, the second filter 9 and the third filter 10 are sequentially arranged on the ink outlet pipe 13 along the ink flowing direction, the ink is pumped to the first filter 8, the second filter 9 and the third filter 10 by the ink pump 3 in the process of flowing from the recovery hopper 2 to the storage 4 through the ink outlet pipe 13, the ink flows to the storage 4 from the ink pump 3 after primary filtration of the first filter 8, intermediate filtration of the second filter 9 and final filtration of the third filter 10, and impurities and coarse particles in the ink can be filtered by the first filter 8, the second filter 9 and the third filter 10.
Specifically, in one embodiment, the ink recovery device further includes a fourth filter 11; the fourth filter 11 is located between the valve 5 and the ink jet device 1, and both the liquid outlet of the valve 5 and the liquid inlet of the ink jet device 1 are communicated with the fourth filter 11. When the test is required, the valve 5 is opened, the ink flows to the sprayer after being filtered by the fourth filter 11, the storage 4 is installed at a higher height than the ink jet device 1, and the ink in the storage 4 flows into the nozzle of the ink jet device 1 through the valve 5 and the fourth filter 11 under the gravity force for ink jet.
Specifically, in one embodiment, the ink recovery device further includes a negative pressure pump 15 and a negative pressure pipe 16; the reservoir 4 is provided with a reservoir chamber 41 and an air hole communicated with the reservoir chamber 41, the negative pressure pipe 16 is inserted in the air hole, and the negative pressure pipe 16 is connected with the negative pressure pump 15. The storage device 4 is sealed, the separation net 12 is arranged in the storage cavity 41 of the storage device 4, the negative pressure pipe 16 is inserted above the storage device 4, the negative pressure pipe 16 is connected with the negative pressure pump 15, so that the storage cavity 41 is in a certain negative pressure state, certain air bubbles are easily generated in the flowing process of the ink and mixed in the ink, if the air bubbles are not removed, the ink jet device 1 is broken during jet printing and cannot jet printing, the air bubbles in the ink need to be eliminated before ink jet, and the air bubbles are lighter and can slowly rise to the liquid level of the ink to be broken under the action of the negative pressure because the storage cavity 41 is in the certain negative pressure state.
Specifically, in one embodiment, a screen 12 is disposed in the storage chamber 41, and the screen 12 is located between the liquid inlet of the reservoir 4 and the liquid outlet of the reservoir 4. The storage 4 is provided with a separation net 12, the separation net 12 is of a net structure, the separation net 12 is vertically arranged at the center of the storage 4, and a liquid outlet and a liquid inlet of the storage 4 are respectively arranged at the left end and the right end of the storage 4. The screen 12 allows ink to enter only the other side (right to left), leaving relatively large diameter bubbles on the other side (right).
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (6)

1. An ink recovery device, characterized in that: comprises an ink jet, a recovery bucket, an ink pump, a storage and a valve which are arranged along the circulation path of the ink in sequence; the nozzle of the ink jet device is communicated with the liquid inlet of the recycling hopper, the liquid inlet of the ink pump is communicated with the liquid outlet of the recycling hopper, the liquid outlet of the ink pump is communicated with the liquid inlet of the storage device, the liquid inlet of the valve is communicated with the liquid outlet of the storage device, and the liquid outlet of the valve is communicated with the liquid inlet of the ink jet device.
2. An ink recovery device according to claim 1, characterized in that: the recycling hopper is internally provided with a first liquid level detector and a second liquid level detector, the first liquid level detector is positioned above a liquid outlet of the recycling hopper, and the second liquid level detector is positioned above the first liquid level detector.
3. An ink recovery device according to claim 1, characterized in that: the filter also comprises a first filter, a second filter and a third filter; the first filter, the second filter and the third filter are all located between the recovery hopper and the ink pump, the first filter, the second filter and the third filter are sequentially communicated, the first filter is communicated with a liquid outlet of the recovery hopper, and the third filter is communicated with a liquid inlet of the ink pump.
4. An ink recovery device according to claim 1, characterized in that: a fourth filter is also included; the fourth filter is positioned between the valve and the ink jet device, and the liquid outlet of the valve is communicated with the liquid inlet of the ink jet device through the fourth filter.
5. An ink recovery device according to claim 1, characterized in that: the device also comprises a negative pressure pump and a negative pressure pipe; the storage device is provided with a storage cavity and an air hole communicated with the storage cavity, the negative pressure pipe is inserted in the air hole, and the negative pressure pipe is connected with the negative pressure pump.
6. An ink recovery device according to claim 5, characterized in that: the storage cavity is internally provided with a separation net which is positioned between the liquid inlet of the storage and the liquid outlet of the storage.
CN202022586526.6U 2020-11-10 2020-11-10 Printing ink recovery unit Active CN213891839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022586526.6U CN213891839U (en) 2020-11-10 2020-11-10 Printing ink recovery unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022586526.6U CN213891839U (en) 2020-11-10 2020-11-10 Printing ink recovery unit

Publications (1)

Publication Number Publication Date
CN213891839U true CN213891839U (en) 2021-08-06

Family

ID=77118037

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022586526.6U Active CN213891839U (en) 2020-11-10 2020-11-10 Printing ink recovery unit

Country Status (1)

Country Link
CN (1) CN213891839U (en)

Similar Documents

Publication Publication Date Title
CN103144438B (en) Ink supply system of ink jet printer and control method of ink supply system
EP2105305B1 (en) Liquid container and method of manufacturing the same
JP5822632B2 (en) Ink supply system
WO2018064973A1 (en) Ink circulating system used for a circulating printhead
JP2018058255A (en) Liquid injection device and fluid discharge method for the same
EP2588323B1 (en) Ink jet printer
JP2002527273A (en) Ink supply system
JP2009083374A (en) Liquid storage tank for ink jet printer
KR20140064876A (en) Inkjet recording apparatus
JP4000773B2 (en) Inkjet recording device
CN111332022A (en) Negative pressure ink supply system with dynamic pressure compensation
CN213891839U (en) Printing ink recovery unit
US8763589B2 (en) Fuel pump module
CN115402010B (en) Ink-jet printing ink supply system for realizing stable ink supply and ink supply recovery method thereof
CN206085984U (en) Multistage ink supply system suitable for ink jet printer
CN206304412U (en) A kind of self-cleaning filter
CN212073374U (en) Negative pressure ink supply system with dynamic pressure compensation
JP2010173241A (en) Inkjet printer
JP5615504B2 (en) Inkjet recording apparatus, ink replacement method, and inkjet recording method
US8960868B1 (en) Ink predispense processing and cartridge fill method and apparatus
JP2017189737A (en) Filtration device
JP6930320B2 (en) Liquid injection device, liquid discharge method of liquid injection device
CN216373878U (en) Digital PCB character white ink jet printer supplies ink circulation system
CN210356219U (en) Novel filler of desulfurizing tower export solution filters device
JP6401602B2 (en) Sub tank and printer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 515000 north suburb industrial zone (Erwei Industrial Zone), 4a2-2 area, 2m4 area, 13-02 area, block A-F, Jinyuan Industrial City, Chaoshan Road, Shantou City, Guangdong Province

Patentee after: Guangdong Dongfeng New Materials Group Co.,Ltd.

Address before: 515064 Industrial Zone (Erwei Industrial Zone), area 4a2-2, area 2m4, area 13-02, block A-F, north suburb of Jinyuan Industrial City, Chaoshan Road, Shantou City, Guangdong Province

Patentee before: SHANTOU DONGFENG PRINTING Co.,Ltd.

CP03 Change of name, title or address