Ink circulation structure for ink-jet printer

Abstract

The utility model discloses an ink circulation structure for an ink-jet printer, which comprises a high-position ink pot and a circulation pump, one end of the high-position ink pot is fixedly communicated with a delivery pipe, a stirring assembly is arranged in the delivery pipe, a connecting assembly is arranged in the delivery pipe, one end of the delivery pipe is fixedly communicated with a hollow block, and the hollow block is fixedly communicated with the circulation pump. And a filter screen is fixedly connected to the interior of the hollow block. Through cooperative use of the high-position ink pot, the circulating pump, the conveying pipe, the stirring assembly, the hollow block, the filter screen, the ink pumping pipe, the ink outlet pipe, the multi-outlet secondary ink box, the circulating pipe and other structures, white ink can circularly flow, and titanium dioxide in the white ink is prevented from precipitating in the white ink; the problem that ink cannot flow out in a large range due to the fact that ink precipitates and blocks the nozzle is prevented, the picture printing quality is improved, meanwhile, the problem that the nozzle needs to be frequently replaced due to the fact that the nozzle is easily damaged due to blockage is solved, the service life of the nozzle is prolonged, and the ink-jet cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to ink circulation technical field especially relates to an ink circulation structure for inkjet printer. BACKGROUND

[0002] The inkjet printer is the color liquid ink that will become small particle through nozzle and spray to the printing paper, and some inkjet printers have three or four printing nozzles, so as to print yellow, magenta cyan black four colors, and some share a nozzle and divide four color printing.

[0003] The existing inkjet printer generally uses white ink to carry out printing work, and the white ink is titanium dioxide containing ink, which is easy to form a precipitate, and flow through the nozzle in the printing process, which is easy to block the nozzle, thereby causing a large range of no ink, causing the picture to be unclear, making the picture printing quality is poor, and the blockage is easy to cause the nozzle damage, and in order to ensure the normal work of the inkjet printer, the damaged nozzle needs to be replaced frequently, thereby leading to high inkjet cost.

[0004] Therefore, it is necessary to provide an ink circulation structure for inkjet printer to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of ink circulation structures for inkjet printer to solve the shortcomings in prior art.

[0006] To achieve the above object, the utility model adopts the following technical scheme: an ink circulation structure for inkjet printer, including high-position ink pot and circulating pump, one end of the high-position ink pot is fixedly connected with conveying pipe, the inside of the conveying pipe is provided with stirring assembly, the inside of the conveying pipe is provided with connecting assembly, one end of the conveying pipe is fixedly connected with hollow block, the inside of the hollow block is fixedly connected with filter screen, the both sides of the inner wall of the hollow block are provided with cleaning assembly, the top of the hollow block is provided with collection assembly, the ink extraction end of the circulating pump is fixedly connected with ink extraction pipe, the ink outlet end of the circulating pump is fixedly connected with ink outlet pipe, one end of the ink outlet pipe is fixedly connected with multi-outlet secondary ink box, one side of the multi-outlet secondary ink box is fixedly connected with circulating pipe, the surface of the multi-outlet secondary ink box is provided with inkjet assembly, and the stirring assembly is located at the front end of conveying pipe and inside high-position ink pot.

[0007] As a further description of the above technical scheme:

[0008] The stirring assembly includes a mounting frame one fixedly connected inside the conveying pipe, one side of the mounting frame one is rotatably penetrated by a mounting shaft one, one end of the mounting shaft one and located inside the conveying pipe is fixedly connected with a plurality of driving blades one, the other end of the mounting shaft one is penetrated into the inside of the high-position ink pot and is fixedly connected with two groups of stirring rods, and the plurality of driving blades one are fixedly connected in a circumferential array at one end of the mounting shaft one.

[0009] As a further description of the above technical solution:

[0010] The connecting assembly includes a mounting frame two fixedly connected inside the conveying pipe, and one side of the mounting frame two is rotatably penetrated by a mounting shaft two.

[0011] As a further description of the above technical solution:

[0012] One end of the mounting shaft two and located inside the conveying pipe is fixedly connected with a plurality of driving blades two, and the other end of the mounting shaft two is penetrated into the inside of the hollow block and is fixedly connected with a bevel gear one.

[0013] As a further description of the above technical solution:

[0014] The cleaning assembly includes a reciprocating screw rod rotatably connected to one side of the inner wall of the hollow block, one end of the reciprocating screw rod is fixedly connected with a bevel gear two, the outer surface of the reciprocating screw rod is threadedly connected with a moving block, one side of the moving block close to the filter screen is fixedly connected with a cleaning brush, and the bevel gear two is engaged with the bevel gear one.

[0015] As a further description of the above technical solution:

[0016] The collecting assembly includes a collecting frame fixedly communicated at the top of the hollow block, the bottom of the collecting frame is fixedly communicated with a discharge pipe, and the inside of the discharge pipe is provided with an electromagnetic valve.

[0017] As a further description of the above technical solution:

[0018] The ink jetting assembly includes a plurality of ink jetting pipes fixedly communicated on the surface of the multi-outlet secondary ink box, and one end of the ink jetting pipe is fixedly communicated with a nozzle.

[0019] The utility model has the advantages of:

[0020] 1. Compared with existing technologies, this inkjet printer uses an ink circulation structure. Through the coordinated use of a high-level ink bottle, circulation pump, delivery pipe, stirring assembly, hollow block, filter screen, ink extraction pipe, ink output pipe, multi-outlet secondary ink cartridge, and circulation pipe, the white ink can circulate, preventing titanium dioxide in the white ink from settling in it. This prevents ink sedimentation from clogging the printhead and causing large-scale ink failures, thus improving the quality of the printed image. At the same time, it solves the problem of printhead damage caused by clogging, which requires frequent printhead replacement, thereby increasing the lifespan of the printhead and reducing inkjet costs.

[0021] 2. Compared with existing technologies, this inkjet printer uses an ink circulation structure. Through the coordinated use of connecting components, collection components, and cleaning components, it can clean the impurities filtered by the filter and collect them after cleaning, thus preventing the filter from clogging and affecting the flow of ink. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an ink circulation structure for an inkjet printer proposed in this utility model.

[0023] Figure 2 This is a schematic diagram of a high-position ink bottle structure for an ink circulation system in an inkjet printer, as proposed in this utility model.

[0024] Figure 3 This is a schematic diagram of the delivery pipe structure of an ink circulation structure for an inkjet printer proposed in this utility model;

[0025] Figure 4 for Figure 2 A magnified view of a portion at point A shown in the diagram;

[0026] Figure 5 for Figure 2 A magnified view of a portion at point B shown in the diagram;

[0027] Figure 6 for Figure 2 A magnified view of a portion of point C shown in the diagram.

[0028] Legend:

[0029] 1. High-position ink bottle; 2. Circulation pump; 3. Delivery pipe; 4. Hollow block; 5. Filter screen; 6. Ink extraction pipe; 7. Ink outlet pipe; 8. Multi-outlet secondary ink cartridge; 9. Circulation pipe; 10. Mounting bracket one; 11. Mounting shaft one; 12. Drive blade one; 13. Stirring rod; 14. Mounting bracket two; 15. Mounting shaft two; 16. Drive blade two; 17. Bevel gear one; 18. Reciprocating lead screw; 19. Bevel gear two; 20. Moving block; 21. Cleaning brush; 22. Collection frame; 23. Discharge pipe; 24. Solenoid valve; 25. Inkjet tube; 26. Printhead. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] With reference to Figures 1-6 The utility model provides a kind of ink circulation structure for ink-jet printer: including high-level ink pot 1 and circulating pump 2, one end of high-level ink pot 1 is fixedly connected with conveying pipe 3, conveying pipe 3 is provided with stirring subassembly inside, conveying pipe 3 is provided with connecting component inside, one end of conveying pipe 3 is fixedly connected with hollow block 4, filter screen 5 is fixedly connected in hollow block 4, cleaning component is arranged on the both sides of hollow block 4 inner wall, collecting component is arranged on the top of hollow block 4, the ink extraction end of circulating pump 2 is fixedly connected with ink extraction pipe 6, the ink outlet end of circulating pump 2 is fixedly connected with ink outlet pipe 7, one end of ink outlet pipe 7 is fixedly connected with multiple outlet secondary ink box 8, one side of multiple outlet secondary ink box 8 is fixedly connected with circulation pipe 9, multiple outlet secondary ink box 8 is provided with ink jet component, stirring subassembly is located at the front end of conveying pipe 3 and inside high-level ink pot 1, connecting component is located at the rear end of conveying pipe 3 and inside filter box, collecting component is used to collect the impurities cleaned down on filter screen 5, the mesh diameter size on filter screen 5 is greater than the diameter of titanium dioxide in white ink, one end of circulation pipe 9 penetrates to the inside of high-level ink pot 1, one end of ink extraction pipe 6 penetrates to the inside of hollow block 4.

[0032] Stirring subassembly includes the mounting frame one 10 fixedly connected in the inside of conveying pipe 3, one side of mounting frame one 10 is rotatably penetrated with mounting shaft one 11, one end of mounting shaft one 11 and located in the inside of conveying pipe 3 is fixedly connected with a plurality of driving blades one 12, the other end of mounting shaft one 11 penetrates to the inside of high-level ink pot 1 and is fixedly connected with two groups of stirring rods 13, a plurality of driving blades one 12 are fixedly connected in the form of circular array on one end of mounting shaft one 11, two groups of stirring rods 13 are symmetrically arranged with the center of mounting shaft one 11 as center, each group of stirring rods 13 is composed of a plurality of stirring rods 13 and a plurality of stirring rods 13 are fixedly connected in the form of rectangular array on the outside of mounting shaft one 11.

[0033] The connecting assembly comprises a mounting frame two 14 fixedly connected inside the conveying pipe 3, a mounting shaft two 15 rotatably penetrating one side of the mounting frame two 14, a plurality of driving blades two 16 fixedly connected to one end of the mounting shaft two 15 and located inside the conveying pipe 3, a bevel gear one 17 fixedly connected to the other end of the mounting shaft two 15 and penetrating into the inside of the hollow block 4, and the plurality of driving blades two 16 are fixedly connected in a circumferential array to one end of the mounting shaft two 15.

[0034] The cleaning assembly comprises a reciprocating screw rod 18 rotatably connected to one side of the inner wall of the hollow block 4, a bevel gear two 19 fixedly connected to one end of the reciprocating screw rod 18, a moving block 20 threadedly connected to the outer surface of the reciprocating screw rod 18, a cleaning brush 21 fixedly connected to the side of the moving block 20 close to the filter screen 5, the bevel gear two 19 is engaged with the bevel gear one 17, the top of the cleaning brush 21 is slidably connected with the top of the inner wall of the hollow block 4, and one side of the cleaning brush 21 is attached to one side of the filter screen 5.

[0035] The collecting assembly comprises a collecting frame 22 fixedly connected to the top of the hollow block 4, a discharge pipe 23 fixedly connected to the bottom of the collecting frame 22, an electromagnetic valve 24 installed in the inside of the discharge pipe 23, and the inner walls of the collecting frame 22 are inclined.

[0036] The ink jetting assembly comprises a plurality of ink jetting pipes 25 fixedly connected to the surface of the multi-outlet secondary ink box 8, and a nozzle 26 fixedly connected to one end of the ink jetting pipe 25.

[0037] Working principle: when in use, the circulating pump 2 is started, at this time, the circulating pump 2 draws the ink in the high-position ink pot 1 into the hollow block 4 through the ink drawing pipe 6 and the conveying pipe 3, so that the ink flows in the hollow block 4, at this time, the filter screen 5 installed in the hollow block 4 can filter the ink flowing in the hollow block 4, and the filtered ink is drawn into the ink outlet pipe 7 under the action of the circulating pump 2, so that the filtered ink enters the multi-outlet secondary ink box 8 through the ink outlet pipe 7 and is transported to the high-position ink pot 1 and the plurality of nozzles 26 through the circulating pipe 9 and the plurality of ink jetting pipes 25, so that the ink circulates and flows, at the same time, the flow of the ink drives the driving blades one 12 to rotate, the driving blades one 12 drive the mounting shaft one 11 to rotate, and then the mounting shaft one 11 drives the two groups of stirring rods 13 to rotate in the high-position ink pot 1, so that the ink in the high-position ink pot 1 can be stirred and combined with the circulation of the ink, so that the titanium dioxide in the ink can be prevented from precipitating.

[0038] In the process of ink circulating flow, the ink drives the driving vane two 16 to rotate, at this time the driving vane two 16 drives the installation shaft two 15 and the bevel gear one 17 to rotate synchronously, at this time the two bevel gear two 19 engaged with the bevel gear one 17 drive the two reciprocating lead screws 18 to rotate, so that the two moving blocks 20 move along with the rotation of the reciprocating lead screws 18, and then drive the two cleaning brushes 21 to move on the surface of the filter screen 5, so that the impurities on the filter screen 5 are cleaned, and the cleaned impurities fall into the collecting frame 22, and after the ink jetting work is completed, the impurities in the collecting frame 22 can be discharged through the discharge pipe 23 by opening the electromagnetic valve 24.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. An ink circulation structure for an inkjet printer, comprising a high-level ink reservoir (1) and a circulation pump (2), characterized in that: One end of the high-position ink bottle (1) is fixedly connected to a conveying pipe (3). A stirring component is provided inside the conveying pipe (3). A connecting component is provided inside the conveying pipe (3). One end of the conveying pipe (3) is fixedly connected to a hollow block (4). A filter screen (5) is fixedly connected inside the hollow block (4). Cleaning components are provided on both sides of the inner wall of the hollow block (4). A collecting component is provided on the top of the hollow block (4). The ink extraction end of the circulation pump (2) is fixedly connected to an ink extraction pipe (6). The ink outlet end of the circulation pump (2) is fixedly connected to an ink outlet pipe (7). One end of the ink outlet pipe (7) is fixedly connected to a multi-outlet secondary ink cartridge (8). A circulation pipe (9) is fixedly connected to one side of the multi-outlet secondary ink cartridge (8). An inkjet component is provided on the surface of the multi-outlet secondary ink cartridge (8).

2. The ink circulation structure for an inkjet printer according to claim 1, characterized in that: The stirring assembly includes a mounting bracket (10) fixedly connected inside the conveying pipe (3). One side of the mounting bracket (10) is rotatably connected to a mounting shaft (11). One end of the mounting shaft (11) and located inside the conveying pipe (3) is fixedly connected to several drive blades (12). The other end of the mounting shaft (11) extends into the interior of the high-position inkwell (1) and is fixedly connected to two sets of stirring rods (13).

3. The ink circulation structure for an inkjet printer according to claim 1, characterized in that: The connecting assembly includes a mounting bracket two (14) fixedly connected inside the delivery pipe (3), and a mounting shaft two (15) rotatably passes through one side of the mounting bracket two (14).

4. The ink circulation structure for an inkjet printer according to claim 3, characterized in that: One end of the mounting shaft (15) and inside the conveying pipe (3) is fixedly connected to several drive blades (16), and the other end of the mounting shaft (15) extends through the interior of the hollow block (4) and is fixedly connected to a bevel gear (17).

5. The ink circulation structure for an inkjet printer according to claim 1, characterized in that: The cleaning assembly includes a reciprocating screw (18) rotatably connected to one side of the inner wall of the hollow block (4), a bevel gear (19) fixedly connected to one end of the reciprocating screw (18), a moving block (20) threadedly connected to the outer surface of the reciprocating screw (18), and a cleaning brush (21) fixedly connected to the side of the moving block (20) near the filter screen (5).

6. The ink circulation structure for an inkjet printer according to claim 1, characterized in that: The collection assembly includes a collection frame (22) fixedly connected to the top of the hollow block (4), and a discharge pipe (23) fixedly connected to the bottom of the collection frame (22). A solenoid valve (24) is installed inside the discharge pipe (23).

7. The ink circulation structure for an inkjet printer according to claim 1, characterized in that: The inkjet assembly includes several inkjet tubes (25) fixedly connected to the surface of the multi-outlet secondary ink cartridge (8), and one end of each inkjet tube (25) is fixedly connected to a printhead (26).

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