Ink filtering equipment of ink-jet printing equipment

Abstract

The utility model relates to the technical field of printing equipment, and discloses ink filtering equipment of ink-jet printing equipment, which comprises an ink inlet pipe, an ink outlet pipe and a shell, an anti-blocking mechanism is arranged in the shell, and a filtering mechanism is arranged between the shell and the ink outlet pipe. By rotating the filter cartridge, the threaded sleeves at the two ends of the filter cartridge are in threaded connection with the threaded rings on the connecting pipe and the ink outlet pipe respectively, and meanwhile, the sealing rings on the connecting pipe and the ink outlet pipe are separated from the sealing grooves in the two ends of the filter cartridge, so that the filter cartridge can be quickly disassembled, and the filter cartridge can be conveniently cleaned or replaced; a user can flexibly clean or replace the ink filtering equipment according to actual use conditions, so that the service life of the ink filtering equipment is effectively prolonged; impurities of different sizes can be effectively intercepted through a second filter plate and a third filter plate arranged in the filter cartridge, the ink filtering efficiency is improved, organic pollutants and gas impurities in ink can be deeply removed through an activated carbon plate, and the purity of the ink is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of printing equipment, in particular to an ink filtering device for inkjet printing equipment. Background Art

[0002] Inkjet printing equipment is widely used in graphic arts, office document printing, digital photography and other fields due to its advantages of high resolution and low cost. However, ink is prone to produce impurities and sediments during long-term use or storage. These impurities may clog the nozzles, affect the printing quality, and even cause equipment damage.

[0003] A Chinese patent provides a UV printer inkjet dust removal filter device, with publication number CN211542915U, comprising a dust removal filter ring body, wherein both upper and lower ends of the dust removal filter ring body are cylindrical structures, and the middle part of the dust removal filter ring body is a truncated cone structure, the lower interior of the dust removal filter ring body is a threaded structure, and the lower interior of the dust removal filter ring body is connected with a first connecting ring and a second connecting ring, and the first connecting ring is located above the second connecting ring.

[0004] Although the above device can isolate the filtered impurities separately to prevent the impurities from re-entering the ink and being filtered again, the device is not convenient for cleaning the filtered impurities. At the same time, when the ink is filtered, if there are too many impurities in the ink, it is easy to clog the filter holes and affect the filtering effect. Therefore, it is necessary to provide an ink filtering device for an inkjet printing device. Utility Model Content

[0005] The purpose of the utility model is to provide an ink filter device for an inkjet printing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ink filter device for inkjet printing equipment, comprising an ink inlet tube, an ink outlet tube and a shell, an anti-blocking mechanism is arranged in the shell, and a filter mechanism is arranged between the shell and the ink outlet tube; the anti-blocking mechanism comprises a first filter plate, a fixing frame is arranged above the first filter plate, a vibration plate is arranged below the first filter plate, a vibration motor is fixedly arranged on the fixing frame, a sliding rod is fixedly arranged at the bottom end of the fixing frame, the sliding rod slides through the first filter plate, the vibration plate is fixedly sleeved on the sliding rod, and a plurality of The filter cartridge comprises a first filter element, a second filter element, and a second filter element. The filter cartridge comprises a first filter element, a second filter element and a second filter element. The filter cartridge comprises a first filter element, a second filter element and a second filter element. The filter cartridge comprises a first filter element, a second filter element and a second filter element. The filter cartridge comprises a first filter element, a second filter element and a second filter element. The filter cartridge comprises a first filter element, a second filter element and a second filter element. The filter cartridge comprises a first filter element, a second filter element and a second filter element.

[0007] Preferably, the outer end of the vibration motor is provided with a waterproof shell, the waterproof shell is fixedly connected to the fixing frame, the bottom end of the sliding rod is fixedly provided with a connecting block, the first spring is fixedly provided between the fixing block and the vibration plate, and the second spring is fixedly provided between the fixing block and the connecting block.

[0008] Preferably, a connecting plate is provided on the first filter plate, a brush is fixedly provided on the bottom end of the connecting plate, one end of the connecting plate is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a sealing plug, one end of the sealing plug is fixedly connected to the fixed plate, a slag discharge port is opened on the shell, and the sealing plug is sealingly and slidably connected to the slag discharge port.

[0009] Preferably, a limit block is fixedly provided on the fixing plate and the shell, an insert rod is inserted into the limit block, and a handle is fixedly provided on the fixing plate.

[0010] Preferably, the connecting tube is communicated with the housing, and a fixing ring is fixedly sleeved on the connecting tube and the ink outlet tube, and the fixing ring is rotatably connected with the screw ring.

[0011] Preferably, the filter holes of the second filter plate are smaller than the filter holes of the first filter plate, and the filter holes of the third filter plate are smaller than the filter holes of the second filter plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1) The ink filter device of the inkjet printing device can quickly disassemble the filter cartridge by rotating the filter cartridge so that the screw sleeves at both ends of the filter cartridge are respectively released from the screw rings on the connecting tube and the ink outlet tube, and the sealing rings on the connecting tube and the ink outlet tube are separated from the sealing grooves at both ends of the filter cartridge, so that the filter cartridge can be easily cleaned or replaced. The user can flexibly clean or replace the filter cartridge according to actual use conditions, effectively extending the service life of the ink filter device.

[0014] 2) The ink filtering device of the inkjet printing device can block large impurities and ink blocks mixed in the ink through the first filter plate, thereby realizing the initial filtration of the ink. At the same time, the vibration of the vibration motor is transmitted to the vibration plate through the fixed frame and the sliding rod. Under the restriction of the first filter plate and the fixed block, the vibration plate can only vibrate in the up and down directions. The vibration plate drives the anti-clogging tips on its surface to vibrate. The anti-clogging tips will move up and down in a continuous cycle in the filter holes of the first filter plate, thereby being able to push out the debris in the ink from the filter holes, thereby being able to avoid the occurrence of blockage from the root and improving the filtering effect.

[0015] 3) The ink filter device of the inkjet printing device can effectively intercept impurities of different sizes through the second filter plate and the third filter plate arranged in the filter cylinder to improve the ink filtering efficiency. The activated carbon plate can deeply remove organic pollutants and gas impurities in the ink to ensure the purity of the ink. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the ink filtering device of the utility model;

[0017] Figure 2 It is a schematic cross-sectional structure diagram of the housing of the utility model;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the anti-blocking mechanism of the utility model;

[0019] Figure 4 It is a cross-sectional structural schematic diagram of the filtering mechanism of the utility model.

[0020] In the figure: 1, ink inlet tube; 2, ink outlet tube; 3, shell; 4, anti-blocking mechanism; 401, first filter plate; 402, fixing frame; 403, slide rod; 404, vibration plate; 405, vibration motor; 406, waterproof shell; 407, anti-blocking tip; 408, fixing block; 409, connecting block; 410, first spring; 411, second spring; 412, slag discharge port; 413, connecting plate; 414, brush; 415, connecting rod; 416, sealing plug; 417, fixing plate; 418, handle; 419, limit block; 420, plug. ; 5. Filter mechanism; 501. Connecting pipe; 502. Fixing ring; 503. Screw ring; 504. Sealing ring; 505. Filter cartridge; 506. Sealing groove; 507. Screw sleeve; 508. Second filter plate; 509. Third filter plate; 510. Activated carbon plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] Combination Figure 1-Figure 4 An ink filtering device for an inkjet printing device comprises an ink inlet tube 1, an ink outlet tube 2 and a shell 3, an anti-blocking mechanism 4 is arranged in the shell 3, and a filtering mechanism 5 is arranged between the shell 3 and the ink outlet tube 2.

[0024] See also Figure 2 and Figure 3, it is further obtained that the anti-blocking mechanism 4 includes a first filter plate 401, a fixing frame 402 is arranged above the first filter plate 401, a vibration plate 404 is arranged below the first filter plate 401, a vibration motor 405 is fixedly arranged on the fixing frame 402, a sliding rod 403 is fixedly arranged at the bottom end of the fixing frame 402, the sliding rod 403 slides through the first filter plate 401, the vibration plate 404 is fixedly sleeved on the sliding rod 403, and a plurality of anti-blocking spikes 407 adapted to the filter holes of the first filter plate 401 are fixedly arranged on the vibration plate 404, a fixing block 408 is fixedly arranged in the shell 3, the sliding rod 403 slides through the fixing block 408, and the sliding rod 403 is respectively sleeved with a first spring 410 and a second spring 411; the outer end of the vibration motor 405 is sleeved with a waterproof shell 406, and the waterproof shell 406 is fixed to the fixing frame 402 A connecting block 409 is fixedly provided at the bottom end of the sliding rod 403, a first spring 410 is fixedly provided between the fixing block 408 and the vibration plate 404, a second spring 411 is fixedly provided between the fixing block 408 and the connecting block 409, a connecting plate 413 is provided on the first filter plate 401, a brush 414 is fixedly provided at the bottom end of the connecting plate 413, a connecting rod 415 is fixedly connected to one end of the connecting plate 413, a sealing plug 416 is fixedly connected to one end of the connecting rod 415, a fixing plate 417 is fixedly provided with one end of the sealing plug 416, a slag discharge port 412 is provided on the shell 3, the sealing plug 416 is sealingly and slidably connected to the slag discharge port 412, a limiting block 419 is fixedly provided on the fixing plate 417 and the shell 3, a plug 420 is inserted in the limiting block 419, and a handle 418 is fixedly provided on the fixing plate 417.

[0025] See also Figure 4 , it is further obtained that the filtering mechanism 5 includes a connecting pipe 501 and a filter cartridge 505, both ends of the filter cartridge 505 are provided with sealing grooves 506, both ends of the filter cartridge 505 are fixedly sleeved with screw sleeves 507, the connecting pipe 501 and the ink outlet pipe 2 are fixedly provided with sealing rings 504 adapted to the sealing grooves 506, the connecting pipe 501 and the ink outlet pipe 2 are rotatably connected with a screw ring 503 threadedly connected with the screw sleeve 507, and the second filter plate 508, the third filter plate 509 and the activated carbon plate 510 are fixedly provided in the filter cartridge 505 from top to bottom; the connecting pipe 501 is communicated with the housing 3, the connecting pipe 501 and the ink outlet pipe 2 are fixedly sleeved with a fixing ring 502, the fixing ring 502 is rotatably connected with the screw ring 503, the filtering hole of the second filter plate 508 is smaller than the filtering hole of the first filter plate 401, and the filtering hole of the third filter plate 509 is smaller than the filtering hole of the second filter plate 508.

[0026] In actual operation, the ink inlet tube 1 is connected to the ink box, and the ink outlet tube 2 is connected to the inkjet printing device. The ink is transported to the housing 3 through the ink inlet tube 1. The first filter plate 401 in the housing 3 can block large impurities and ink blocks mixed in the ink to achieve initial filtration of the ink. At the same time, the vibration motor 405 starts to work, and the vibration of the vibration motor 405 is transmitted to the vibration plate 404 through the fixing frame 402 and the sliding rod 403. Under the restriction of the first filter plate 401 and the fixing block 408, the vibration plate 404 can only vibrate in the up and down directions. The vibration plate 404 drives the anti-clogging tip 407 on its surface to vibrate. The anti-clogging tip 407 will continuously move up and down in the filter hole of the first filter plate 401, so that the impurities in the ink can be pushed out from the filter hole, thereby avoiding the blockage from the root and improving the filtering effect.

[0027] The ink after preliminary filtration is transported to the filter cartridge 505 through the connecting tube 501. The second filter plate 508 and the third filter plate 509 provided in the filter cartridge 505 can effectively intercept impurities of different sizes and improve the ink filtration efficiency. The activated carbon plate 510 can deeply remove organic pollutants and gas impurities in the ink to ensure the purity of the ink. The filtered ink is finally transported to the inkjet printing device through the ink outlet pipe 2.

[0028] When the first filter plate 401 needs to be cleaned, the insertion rod 420 is pulled out to release the restriction on the fixed plate 417, and then the handle 418 is pulled to make the connecting rod 415 drive the connecting plate 413 to move. The brush 414 at the bottom of the connecting plate 413 can clean the upper surface of the first filter plate 401 when moving, so that the large impurities filtered and blocked on the first filter plate 401 can be brushed away through the slag discharge port 412;

[0029] When the filter cartridge 505 needs to be cleaned or replaced, the filter cartridge 505 only needs to be rotated so that the screw sleeves 507 at both ends of the filter cartridge 505 are respectively released from the threaded connection with the screw rings 503 on the connecting tube 501 and the ink outlet tube 2, and the sealing rings 504 on the connecting tube 501 and the ink outlet tube 2 are separated from the sealing grooves 506 at both ends of the filter cartridge 505, so that the filter cartridge 505 can be quickly disassembled, which is convenient for cleaning or replacing the filter cartridge 505 and prolongs the service life of the filtering device.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ink filter device for an inkjet printing device, comprising an ink inlet tube (1), an ink outlet tube (2) and a housing (3), characterized in that: An anti-blocking mechanism (4) is provided in the housing (3), and a filtering mechanism (5) is provided between the housing (3) and the ink outlet pipe (2); The anti-blocking mechanism (4) comprises a first filter plate (401), a fixing frame (402) is arranged above the first filter plate (401), a vibration plate (404) is arranged below the first filter plate (401), a vibration motor (405) is fixedly arranged on the fixing frame (402), a sliding rod (403) is fixedly arranged at the bottom end of the fixing frame (402), the sliding rod (403) slides through the first filter plate (401), the vibration plate (404) is fixedly sleeved on the sliding rod (403), a plurality of anti-blocking spikes (407) adapted to the filter holes of the first filter plate (401) are fixedly arranged on the vibration plate (404), a fixing block (408) is fixedly arranged in the housing (3), the sliding rod (403) slides through the fixing block (408), and a first spring (410) and a second spring (411) are sleeved on the sliding rod (403) respectively; The filtering mechanism (5) comprises a connecting tube (501) and a filter cartridge (505), both ends of the filter cartridge (505) are provided with sealing grooves (506), both ends of the filter cartridge (505) are fixedly sleeved with screw sleeves (507), the connecting tube (501) and the ink outlet tube (2) are fixedly provided with sealing rings (504) adapted to the sealing grooves (506), the connecting tube (501) and the ink outlet tube (2) are rotatably connected with screw rings (503) threadedly connected to the screw sleeves (507), and the filter cartridge (505) is fixedly provided with a second filter plate (508), a third filter plate (509) and an activated carbon plate (510) in order from top to bottom.

2. The ink filter device of an inkjet printing device according to claim 1, characterized in that: The outer end of the vibration motor (405) is provided with a waterproof shell (406), and the waterproof shell (406) is fixedly connected to the fixing frame (402). The bottom end of the sliding rod (403) is fixedly provided with a connecting block (409), the first spring (410) is fixedly provided between the fixing block (408) and the vibration plate (404), and the second spring (411) is fixedly provided between the fixing block (408) and the connecting block (409).

3. The ink filter device of an inkjet printing device according to claim 1, characterized in that: A connecting plate (413) is provided on the first filter plate (401), a brush (414) is fixedly provided at the bottom end of the connecting plate (413), one end of the connecting plate (413) is fixedly connected to a connecting rod (415), one end of the connecting rod (415) is fixedly connected to a sealing plug (416), one end of the sealing plug (416) is fixedly connected to a fixing plate (417), a slag discharge port (412) is provided on the shell (3), and the sealing plug (416) is sealingly and slidably connected to the slag discharge port (412).

4. The ink filter device of an inkjet printing device according to claim 3, characterized in that: A limit block (419) is fixedly provided on both the fixed plate (417) and the housing (3), an insertion rod (420) is inserted into the limit block (419), and a handle (418) is fixedly provided on the fixed plate (417).

5. The ink filter device of an inkjet printing device according to claim 1, characterized in that: The connecting tube (501) is in communication with the housing (3); a fixing ring (502) is fixedly sleeved on the connecting tube (501) and the ink outlet tube (2); and the fixing ring (502) is rotatably connected to the screw ring (503).

6. The ink filter device of an inkjet printing device according to claim 1, characterized in that: The filter holes of the second filter plate (508) are smaller than the filter holes of the first filter plate (401), and the filter holes of the third filter plate (509) are smaller than the filter holes of the second filter plate (508).

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