CN212680656U

CN212680656U - Ink-jet ink filter device

Info

Publication number: CN212680656U
Application number: CN202021097836.5U
Authority: CN
Inventors: 曾竟; 包亚群
Original assignee: Guangzhou 1s Environmental Protection Technology Co ltd
Current assignee: Guangzhou 1s Environmental Protection Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-03-12
Anticipated expiration: 2030-06-15

Abstract

The utility model provides an ink-jet ink filter equipment, include from last to communicating a filter vat, a filtration and a collecting vessel that sets up in proper order down, with the collecting vessel is close to a vacuum aspiration pump of filtration one side intercommunication, and set up the homocline ware in the filter vat, be equipped with an inlet on the filter vat, the inlet can be sealed completely and close, the collecting vessel lower extreme is equipped with one row of material pipe and sets up row material valve on the row material pipe, filtration includes predetermined quantity's filtration membrane and sets up respectively the support gasket of filtration membrane below, evenly be equipped with predetermined quantity's sieve mesh on the support gasket, homocline ware is used for evenly distributed ink. The utility model discloses a mode of bubble and impurity in the reduction ink has improved the homogeneity of ink to make the sequent inkjet more even, be favorable to improving the stability and the printing smoothness nature of inkjet printing product, and dismantle the convenience, filtration membrane high-usage, low in production cost.

Description

Ink-jet ink filter device

Technical Field

The utility model relates to an ink filters technical field, especially relates to an inkjet ink filter equipment.

Background

Inkjet ink, which is a type of true solution and suspension, is ejected in picoliter size using a print head. All particles in the true solution are removed as impurities by filtration, and the particles in the suspension are divided into useful particles and impurities, wherein the impurities are removed by filtration, so that the average particle size in the solution is smaller than the standard requirement of a nozzle. If the cleaning can not be removed, permanent damage can be caused to the spray head. In addition, the uniformity of ink jet in the ink jet printing technology greatly affects the printing quality, and the uniformity of ink jet is greatly affected by the uniformity of ink, such as the amount of bubbles and impurities in the ink, if the ink does not contain the bubbles and the impurities, the ink is uniform, the dots formed after jet are clear, and the printing quality is high. Therefore, for inkjet inks, filtration and de-bubbling are critical.

The existing ink filtering device has the defects of overhigh dissolved oxygen, more bubbles and easy penetration of particle impurities, is generally a single-layer filtering layer, and easily causes the filtering membrane to be blocked too fast due to sedimentation when ink easy to settle is filtered, so that the filtering efficiency and the quality are low, the disassembly and the assembly are inconvenient, and finally the ink filtering device is poor in printing fluency and poor in production efficiency and effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter efficiency and effectual, convenient to use's inkjet ink filter equipment. For reaching this purpose, the utility model provides an ink-jet ink filter equipment, include from last to communicating a filter vat, a filtration and a collecting vessel that sets up extremely down in proper order, with the collecting vessel is close to a vacuum aspiration pump of filtration one side intercommunication, and set up the homocline ware in the filter vat, be equipped with an inlet on the filter vat, the inlet can be sealed completely and close, the collecting vessel lower extreme is equipped with one row of material pipe and sets up row material valve on the row material pipe, filtration includes predetermined quantity's filtration membrane and sets up respectively the support gasket of filtration below, evenly be equipped with predetermined quantity's sieve mesh on the support gasket, homocline ware is used for the evenly distributed ink.

Further preferably, a feeding cover is detachably arranged on the liquid inlet, a sealing ring is arranged in the feeding cover, the feeding cover is matched with the liquid inlet and can completely seal the liquid inlet, and the feeding cover is matched with the vacuum air pump and the discharge valve to enable the filter device to form a vacuum state.

Further preferably, the liquid homogenizing device comprises a stirrer, a stirring rod of the stirrer is rotatably connected with the upper end of the filter barrel and is externally connected with a stirring motor, the stirring motor drives the stirrer to stir in a rotating manner, one end, close to the filter structure, of the stirring rod of the stirrer is provided with a preset number of stirring blades, and the stirring blades are circumferentially arranged on the stirring rod in a layered manner.

Further preferably, the filtering structure comprises a predetermined number of filtering membranes, and the number of filtering membrane layers is greater than 1.

Further preferably, the pore size of the filtration membrane is 0.22. mu.m, 0.45. mu.m, 0.8. mu.m, or 1.0. mu.m.

Further preferably, a filtrate collecting funnel is arranged between the filtering structure and the collecting barrel, and the filtrate collecting funnel is communicated with the filtering structure and the collecting barrel.

Preferably, a sealing ring is arranged between the filtering structure and the filtrate collecting funnel and between the filtering barrels, and the sealing ring is detachably and hermetically connected with the filtering structure and the filtrate collecting funnel and between the filtering structures and the filtering barrels.

Preferably, the filter barrel and the collecting barrel are both provided with transparent liquid level strips for observing the liquid level in the barrel.

Further preferably, a liquid level meter is arranged in each of the filter barrel and the collecting barrel.

The utility model discloses following beneficial effect has: the utility model provides an inkjet ink filter equipment has improved the homogeneity of ink through the filterable mode in limit of stirring to make the ink after the filtration more even, especially easily subside the ink, be favorable to improving the stability and the printing smoothness nature of inkjet printing product: the liquid equalizing device is used for uniformly dispersing the ink entering the filter barrel, so that the ink can uniformly pass through the filter membrane for filtering, the problem that the filter membrane is blocked by particles at the bottom of the ink which are easy to settle is solved, and the filtering efficiency, the quality and the service life of the filter membrane are improved. In addition, the multi-layer filtering membrane is endowed with the multiple filtering functions of the filtering structure on the ink, so that the filtering quality of the ink is ensured, impurities in the ink are reduced, and the uniformity of the ink is improved. After the filtering is finished, a certain negative pressure is formed in the collecting barrel by closing the liquid inlet and the vacuum air pump, bubbles formed in the ink are broken due to the negative pressure, the dissolved oxygen value in the ink is reduced, the uniformity of the ink is improved, and the printing smoothness is improved.

In the filtering process, the vacuum air pump enables the collecting barrel to form a negative pressure state, the ink is accelerated to flow downwards under the action of negative pressure suction force, and the ink filtering efficiency is improved; the supporting gasket has a supporting effect on the filtering membrane, so that the local impact of ink on the filtering membrane is relieved, and the service life of the filtering membrane is effectively prolonged; the filtration with filtrating collect the funnel and all adopt the sealing washer to dismantle sealing connection between the lauter tun, when needs clean, maintain or the replacement to filtration, it is convenient to dismantle, and the high-usage to reduction in production cost.

Drawings

FIG. 1 is a schematic view of an inkjet ink filter device according to the present invention;

fig. 2 is a schematic structural view of the filtering membrane and the supporting pad in the inkjet ink according to the present invention.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, this embodiment provides an inkjet ink filter device, include from last to communicating filter vat 1, a filtration 2 and a collecting vessel 3 that set up down in proper order, collecting vessel 3 is close to one side intercommunication of filtration 2 has a vacuum air pump 4, be equipped with a inlet 14 on filter vat 1, can dismantle on the inlet and be equipped with a feed cover, be equipped with a sealing washer in the feed cover, the feed cover with the adaptation of inlet 14 can with the inlet is sealed completely. 3 lower extremes of collecting vessel are equipped with one row of material pipe 31 and set up arrange the blow off valve 32 on the material pipe, be provided with a homocline ware in the filter vat 1, homocline ware includes a agitator 11, be close to on the puddler of agitator 11 the one end of filtration 2 is equipped with the stirring leaf 12 of predetermined quantity, stirring leaf 12 is in be circumference and layering setting on the puddler. The external agitator motor 13 that connects of agitator, agitator motor 13 drive agitator 11 rotatory stirring. The filtering structure 2 comprises a predetermined number of filtering membranes 21 and a predetermined number of supporting gaskets 22 respectively arranged below each filtering membrane 21, the number of the layers of the filtering membranes 21 is greater than 1, the aperture of each filtering membrane 21 is 0.22 μm, 0.45 μm, 0.8 μm or 1.0 μm, each supporting gasket 22 is a stainless steel gasket, a predetermined number of sieve holes are uniformly arranged on each supporting gasket and are used for supporting the filtering membranes 21, and the sieve holes are favorable for filtering filtrate.

Filtration 2 with be provided with a filtrating collection funnel 5 between the collecting vessel 3, filtrating collection funnel 5 intercommunication filtration 2 with collecting vessel 3. Filtration 2 with filtrating collecting funnel 5 reaches all be equipped with a sealing washer between filter vat 1, sealing connection can be dismantled respectively to the sealing washer filtration 2 with filtrating collecting funnel 5 reaches filter vat 1. The filter vat 1 with all be equipped with a transparent liquid level strip and an audible-visual annunciator on the collecting vessel 3, transparent liquid level strip is used for observing the interior liquid level of bucket. The filter vat 1 with all be equipped with a level gauge in the collecting vessel 3, the level gauge is used for the liquid level in the real-time supervision bucket.

The inkjet ink filtering device further comprises a controller, the controller is in control connection with the stirring motor 13, the vacuum air pump 4, the liquid level meter and the audible and visual alarm, when the sum of the ink liquid levels in the filter barrel 1 and the collecting barrel 3 received by the controller is higher than a designed liquid level, the controller controls the audible and visual alarm to start alarming, and ink stops entering the filter barrel.

The working principle is as follows: ink enters from the liquid inlet of the filter barrel 1, the controller controls the driving device to drive the stirrer 11 to stir in a rotating mode, the vacuum air pump 4 works, the ink enters from the liquid inlet and falls on the stirring blades 12, the ink is uniformly filtered through the filter membrane 21 due to centrifugal force and impact and dispersion of the stirring blades, and then the ink flows through the filter screen holes in the supporting gasket 22 to flow through the filtrate collecting funnel 5 to the collecting barrel 3. In this process, as the ink follow inlet 14 gets into and falls on stirring leaf 12, through the multilayer stirring leaf 12 evenly passes through after the rotatory dispersion filtration membrane 21 filters, has avoided the ink to congeal into the share and has passed through filtration membrane 21's part and lead to the problem of filtration efficiency, poor effect, is in as the ink hydrops in the filter vat 1, agitator 11 can be right the ink in the filter vat 1 stirs, improves the homogeneity of ink, further makes the ink evenly pass through filtration membrane 21 improves filtration efficiency and quality, reduces impurity in the ink, avoids easily subsiding the problem that ink bottom granule blockked up filtration membrane simultaneously, has improved filtration efficiency and filtration membrane life. In addition, the multi-layer filtering membrane 21 provides the filtering structure 2 with multiple filtering functions for ink, and the ink filtering quality is improved. In the filtering process, the vacuum air pump 4 enables a negative pressure state to be formed in the collecting barrel 3, and ink flows downwards under the action of negative pressure suction force, so that the ink filtering efficiency is improved. When audible-visual annunciator start-up warning, stop the feed liquor, it is sealed feed liquor lid, the ink filters and finishes, the vacuum aspiration pump makes the environment progresses to the vacuum state in the collecting vessel, and the bubble that forms in the ink breaks because of the negative pressure, has improved the homogeneity of ink in the collecting vessel 3 through the mode that reduces dissolved oxygen value in bubble in the ink and the ink. The utility model discloses a mode that reduces dissolved oxygen value and impurity in the ink has improved the homogeneity of ink to make the sequent inkjet more even, be favorable to improving the stability and the printing smoothness nature of inkjet printing product. Support pad 22 is right filtration membrane 21 plays supporting role, and it is right to have slowed down the ink the local impact effect of filtration membrane 21 effectively improves filtration membrane 21's life, filtration 2 with filtrating collection funnel 5 reaches all adopt the sealing washer to dismantle sealing connection between filter vat 1, when needs clean, maintain or when replacing filtration 2, it is convenient to dismantle, and the utilization ratio is high to reduction in production cost.

The liquid homogenizing device can be a rotary water distributor, and the rotary water distributor is connected with the water inlet hole through a water inlet pipe. The rotary water distributor can rotate and stir the ink in the filter barrel while distributing water uniformly, so that the uniformity of the ink is improved. The liquid equalizing device can be other rotatable device structures which can make the ink entering the filter barrel uniformly distributed, such as an equalizing plate rotatably mounted in the filter barrel.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides an inkjet ink filter equipment, its characterized in that includes from last filter vat, a filtration and a collecting vessel that communicate the setting extremely down in proper order, with the collecting vessel is close to a vacuum aspiration pump of filtration one side intercommunication, and set up liquid balancing ware in the filter vat, be equipped with an inlet on the filter vat, the inlet can be sealed completely and close, the collecting vessel lower extreme is equipped with one row of material pipe and sets up row's valve on the row's material pipe, filtration includes predetermined quantity's filtration membrane and sets up respectively the support gasket of filtration membrane below, evenly be equipped with predetermined quantity's sieve mesh on the support gasket, liquid balancing ware is used for evenly distributed ink.

2. The inkjet ink filter assembly of claim 1, wherein the inlet port has a removable feed cap with a seal disposed therein, the feed cap being adapted to fit the inlet port to completely seal the inlet port.

3. The inkjet ink filtering apparatus according to claim 1, wherein the liquid equalizer includes a stirrer, a stirring rod of the stirrer is rotatably connected to an upper end of the filter barrel and externally connected to a stirring motor, the stirring motor drives the stirrer to rotate and stir, a predetermined number of stirring blades are disposed at an end of the stirring rod of the stirrer, which is close to the filter structure, and the stirring blades are circumferentially disposed on the stirring rod in layers.

4. The inkjet ink filter apparatus of claim 1, wherein the filter structure comprises a predetermined number of filter membranes, the number of filter membrane layers being greater than 1.

5. The inkjet ink filter device of claim 1, wherein the pore size of the filter membrane is 0.22 μ ι η, 0.45 μ ι η, 0.8 μ ι η, or 1.0 μ ι η.

6. The inkjet ink filter device of claim 1, wherein a filtrate collection funnel is disposed between the filter structure and the collection barrel, the filtrate collection funnel communicating the filter structure and the collection barrel.

7. The inkjet ink filter apparatus of claim 6, wherein a gasket is disposed between the filter structure and the filtrate collection funnel and the filter barrel, and the gasket is configured to removably and sealingly couple the filter structure and the filtrate collection funnel and the filter barrel, respectively.

8. The inkjet ink filter apparatus of claim 1, wherein a transparent level strip is provided on each of the filter barrel and the collection barrel for viewing the level of liquid in the barrel.

9. The inkjet ink filter apparatus of claim 1, wherein a fluid level gauge is disposed in each of the filter barrel and the collection barrel.