Ink supply device for ink-jet printer
By designing the ink cartridges and ink supply boxes, the problems of ink sedimentation and stratification and inaccurate detection in the ink supply device of inkjet printers are solved, realizing ink recycling and stirring and stable ink supply, ensuring inkjet printing quality and continuity.
Patent Information
- Application Number
- CN202520070406.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-13
AI Technical Summary
After use, residual ink in the ink supply system of existing inkjet printers is prone to sedimentation and stratification, which affects the inkjet printing quality. Furthermore, the accuracy of the liquid level sensor is affected by the viscosity of the ink.
It adopts a structure including ink cartridges, ink supply boxes, ring cylinders, pistons, delivery pumps, and stirring racks to achieve ink recycling and stirring. Combined with a weighing sensor to detect the ink volume, it prevents sedimentation and ensures stable ink supply.
It effectively prevents ink sedimentation and stratification, ensuring inkjet quality, and accurately detects ink volume through a weighing sensor to avoid inkjet printing interruptions.
Smart Images

Figure CN223702038U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printing equipment technical field especially relates to an ink supply device for inkjet printer. BACKGROUND
[0002] With the popularization of electronic computer, the use of printer is also more extensive, many times has become the office or home essential office equipment, inkjet printer is the most used one kind of printer now, inkjet printer is to have color liquid ink through nozzle to become fine particle and spray to the printing paper, the continuous ink supply system for inkjet printer is actually an external compatible ink cartridge that is easy to fill, when the printer needs to add ink, only need to through the external compatible ink cartridge to unscrew the corresponding bottle directly pour into the corresponding color.
[0003] At present, the ink supply device does not have the function of recycling the ink in the conveying pipeline to prevent sedimentation during use. During use, the ink is often conveyed to the nozzle through the pipeline with the help of a conveying pump and inkjet printing is performed. However, after the inkjet printer is used, a large amount of ink is often left in the pipeline. After a long period of storage, the ink is prone to stratification due to sedimentation, which affects the subsequent use effect and thus reduces the quality of inkjet printing.
[0004] Therefore, it is necessary to provide an ink supply device for an inkjet printer to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model aims at solving the shortcomings in the prior art and provides an ink supply device for an inkjet printer.
[0006] To achieve the above object, the utility model adopts the following technical scheme: an ink supply device for an inkjet printer, including ink cartridge, the bottom of ink cartridge is fixedly connected with the collection hopper, one side of collection hopper is provided with ink supply tank and detection assembly, the collection hopper is communicated with ink supply tank through connecting pipe, the top of ink supply tank is fixedly connected with annular cylinder, the inside of annular cylinder is provided with piston, the maximum diameter of piston and the inner wall of annular cylinder is adapted, the top of piston is fixedly connected with connecting frame, the top of ink supply tank is fixedly installed with motor, the output end of motor is fixedly connected with threaded rod, the outer surface of threaded rod is threadedly connected with push board, the push board is fixedly connected with connecting frame, one side of ink supply tank is fixedly installed with conveying pump, one side of conveying pump is fixedly communicated with ink delivery pipe, the end of conveying pump and ink delivery pipe is communicated and is ink outlet end, the ink delivery pipe is provided with electromagnetic valve, the ink delivery pipe is communicated with annular cylinder through fixed pipe, ink supply tank is provided with guide assembly, ink cartridge and ink supply tank are provided with stirring assembly.
[0007] As a further description of the above technical solutions:
[0008] The inside of the collecting hopper is provided with a filter plate, and the ink suction end of the conveying pump is communicated with the ink supply tank.
[0009] As a further description of the above technical solutions:
[0010] The fixed pipe and the annular barrel are both provided with a one-way valve, and the ink conveying pipe and the connecting pipe are both flexible pipes.
[0011] As a further description of the above technical solutions:
[0012] One side of the collecting hopper is fixedly connected with two sliding frames, the two sliding frames are oppositely arranged, sliding blocks are slidably connected in the two sliding frames, and one side of the two sliding blocks is fixedly connected with one side of the ink supply tank.
[0013] As a further description of the above technical solutions:
[0014] The detection assembly comprises a support plate fixedly connected to one side of the collecting hopper, the support plate is T-shaped, a load cell is fixedly installed at the top of the support plate, and the top of the load cell is movably abuts against the bottom of the ink supply tank.
[0015] As a further description of the above technical solutions:
[0016] The guide assembly comprises a guide rod, the guide rod is fixedly connected to the top of the ink supply tank, and the guide rod movably penetrates the push plate.
[0017] As a further description of the above technical solutions:
[0018] The stirring assembly comprises two stirring frames and two motors, the two stirring frames are rotatably connected to the inside of the ink cartridge and the inside of the ink supply tank respectively, the two motors are fixedly installed on the front surface of the ink cartridge and the front surface of the ink supply tank respectively, and the output ends of the two motors are fixedly connected with one end of the two stirring frames respectively.
[0019] The utility model has the advantages of the following:
[0020] 1、Compared with the prior art, the ink supply device for the inkjet printer, through the cooperation of the ink cartridge, the ink supply tank, the annular barrel, the piston, the conveying pump, the ink conveying pipe, the one-way valve and the stirring frame, the residual ink in the ink conveying pipe can be extracted into the annular barrel and injected into the ink supply tank, so that the ink can be stirred again during the next use, avoiding the deposition and stratification of the residual ink due to long-term placement, which can easily affect the quality of the next inkjet use.
[0021] 2、Compared with the prior art, the ink supply device for the inkjet printer can continuously detect the weight of the ink supply tank and the ink therein, and prompts when the ink needs to be added due to the decrease of the ink, thereby avoiding the problem of reduced detection accuracy caused by the influence of ink consistency when using a liquid level sensor for detection. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 a whole structure perspective view of the ink supply device for the inkjet printer is provided in the present application;
[0023] Figure 2 a whole structure perspective view of the ink supply device for the inkjet printer is provided in the present application;
[0024] Figure 3 a whole structure perspective view of the ink supply device for the inkjet printer is provided in the present application;
[0025] Figure 4 a whole structure perspective view of the ink supply device for the inkjet printer is provided in the present application.
[0026] LEGEND:
[0027] 1, ink cartridge; 2, collecting hopper; 3, ink supply tank; 4, connecting pipe; 5, annular cylinder; 6, piston; 7, connecting frame; 8, motor; 9, threaded rod; 10, push plate; 11, delivery pump; 12, ink delivery pipe; 13, electromagnetic valve; 14, fixed pipe; 15, filter plate; 16, check valve; 17, sliding frame; 18, sliding block; 19, support plate; 20, weighing sensor; 21, guide rod; 22, stirring frame; 23, motor. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0029] REFERENCE Figures 1-4The utility model provides a kind of ink supply device for ink-jet printer: including ink tank 1, the bottom of ink tank 1 is fixedly connected with collection hopper 2, the inside of collection hopper 2 is provided with filter plate 15, one side of collection hopper 2 is provided with ink supply tank 3 and detection component, ink supply tank 3 is provided with exhaust valve, and under the action of gravity, so that ink can be injected from the inside of ink tank 1 to the inside of ink supply tank 3 through connecting pipe 4, collection hopper 2 is connected with ink supply tank 3 by connecting pipe 4, the top of ink supply tank 3 is fixedly communicated with annular cylinder 5, the inside of annular cylinder 5 is provided with piston 6, the top of piston 6 is fixedly connected with connecting frame 7, the top of ink supply tank 3 is fixedly installed with motor 8, the output of motor 8 is fixedly connected with threaded rod 9, the outer surface of threaded rod 9 is threadedly connected with push plate 10, push plate 10 is fixedly connected with connecting frame 7, one side of ink supply tank 3 is fixedly installed with delivery pump 11, the ink suction end of delivery pump 11 is communicated with ink supply tank 3, one side of delivery pump 11 is fixedly communicated with ink delivery pipe 12, ink delivery pipe 12 and connecting pipe 4 are all flexible pipes, ink delivery pipe 12 is provided with electromagnetic valve 13, ink delivery pipe 12 is communicated with annular cylinder 5 by fixed pipe 14, fixed pipe 14 and annular cylinder 5 are all provided with check valve 16, ink supply tank 3 is provided with guide component, ink tank 1 and ink supply tank 3 are provided with stirring component, by the cooperation of ink tank 1, ink supply tank 3, annular cylinder 5, piston 6, delivery pump 11, ink delivery pipe 12, check valve 16 and stirring frame 22 etc. structure, residual ink in the inside of ink delivery pipe 12 after use can be extracted to the inside of annular cylinder 5, and is injected into the inside of ink supply tank 3, so that it can be stirred again when using next time, avoid the quality problem of residual ink to be deposited and stratified due to long time placement, easy to affect the quality when using next time.
[0030] One side of collection hopper 2 is fixedly connected with two sliding frames 17, the inside of two sliding frames 17 is slidably connected with sliding block 18, one side of two sliding blocks 18 is fixedly connected with one side of ink supply tank 3.
[0031] Detection component includes support plate 19 fixedly connected on one side of collection hopper 2, the top of support plate 19 is fixedly installed with weighing sensor 20, the top of weighing sensor 20 is movably abutted with the bottom of ink supply tank 3, by the setting of detection component, the weight of ink supply tank 3 and its inside ink can be detected constantly, and when ink is reduced and needs to be added, prompt, avoid the problem that using liquid level sensor detection is easily affected by ink consistency, leading to detection accuracy reduction.
[0032] Guide component includes guide rod 21, guide rod 21 is fixedly connected on the top of ink supply tank 3, guide rod 21 is movably penetrated through push plate 10.
[0033] The stirring assembly comprises two stirring frames 22 and two motors 23, the two stirring frames 22 are rotationally connected to the interiors of the ink box 1 and the ink supply tank 3 respectively, the two motors 23 are fixedly installed on the front faces of the ink box 1 and the ink supply tank 3 respectively, the output ends of the two motors 23 are fixedly connected with one ends of the two stirring frames 22 respectively, through the setting of the stirring assembly, the ink in the interiors of the ink box 1 and the ink supply tank 3 can be stirred respectively, so as to prevent the ink from stratifying due to sedimentation.
[0034] Principle: in use, first, according to the weight of the ink supply tank 3 when no ink is added, a value is set to the load cell 20, after the end of the ink delivery pipe 12 far away from the delivery pump 11 is connected with the nozzle of the inkjet printer, the ink box 1 is added with appropriate amount of ink, and after the filtration of the filter plate 15, the ink is delivered to the interior of the ink supply tank 3 through the connecting pipe 4, in the process of use, first, the two motors 23 are started, so as to drive the corresponding stirring frames 22 to rotate, then the ink in the interiors of the ink box 1 and the ink supply tank 3 can be stirred respectively, so as to prevent the ink from stratifying due to sedimentation, and then the delivery pump 11 is started, the ink in the interior of the ink supply tank 3 is extracted through the ink suction end, and the ink is delivered to the spraying position through the ink delivery pipe 12 for use, in the process of use, the ink in the interior of the ink box 1 continuously flows into the interior of the ink supply tank 3, and the weight of the ink supply tank 3 is detected by the load cell 20, when the weight decreases to the set value, the load cell 20 sends a signal to the controller, and the worker is prompted to add ink under the action of the controller, so as to avoid the inkjet printer from working discontinuously due to insufficient ink, and affect the quality of inkjet;
[0035] When the device is used up and does not need to deliver ink to the nozzle, the solenoid valve 13 is energized to close the output end of the delivery pump 11, then the motor 8 is started to drive the threaded rod 9 to rotate, under the guiding and limiting action of the guide rod 21, the push plate 10 drives the connecting frame 7 to move upward along the axial direction of the threaded rod 9, the connecting frame 7 drives the piston 6 to move upward synchronously, under the blocking action of the piston 6 on the annular cylinder 5, the residual ink in the ink delivery pipe 12 can be extracted by the piston 6 and the fixed pipe 14, and the ink is extracted into the interior of the annular cylinder 5, and the output end of the motor 8 is reversed, then the push plate 10 drives the connecting frame 7 and the piston 6 to move downward, under the blocking action of the one-way valve 16 on the fixed pipe 14, the ink in the interior of the annular cylinder 5 can be injected into the interior of the ink supply tank 3, so as to prevent the ink from remaining in the ink delivery pipe 12 and affecting the quality of inkjet printing in the next use.
[0036] 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 has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. An ink supply device for an inkjet printer comprising an ink cartridge (1), characterized in that: The bottom of the ink box (1) is fixedly connected with a collecting hopper (2), one side of the collecting hopper (2) is provided with an ink supply tank (3) and a detection assembly, the collecting hopper (2) is communicated with the ink supply tank (3) through a connecting pipe (4), the top of the ink supply tank (3) is fixedly communicated with an annular barrel (5), the inside of the annular barrel (5) is provided with a piston (6), the top of the piston (6) is fixedly connected with a connecting frame (7), the top of the ink supply tank (3) is fixedly installed with a motor (8), the output end of the motor (8) is fixedly connected with a threaded rod (9), the outer surface of the threaded rod (9) is threadedly connected with a push plate (10), the push plate (10) is fixedly connected with the connecting frame (7), one side of the ink supply tank (3) is fixedly installed with a delivery pump (11), one side of the delivery pump (11) is fixedly communicated with an ink delivery pipe (12), the ink delivery pipe (12) is provided with a solenoid valve (13), the ink delivery pipe (12) is communicated with the annular barrel (5) through a fixed pipe (14), the ink supply tank (3) is provided with a guide assembly, the ink box (1) and the ink supply tank (3) are provided with a stirring assembly.
2. The ink supply device for an inkjet printer according to claim 1, characterized by: The inside of the collecting hopper (2) is provided with a filter plate (15), the ink suction end of the delivery pump (11) is communicated with the ink supply tank (3).
3. The ink supply apparatus for an inkjet printer according to claim 1, characterized by: The fixed pipe (14) and the annular barrel (5) are both provided with a one-way valve (16), the ink delivery pipe (12) and the connecting pipe (4) are both flexible pipes.
4. The ink supply apparatus for an inkjet printer according to claim 1, characterized by: One side of the collecting hopper (2) is fixedly connected with two sliding frames (17), the inside of the two sliding frames (17) are both slidably connected with a sliding block (18), one side of the two sliding blocks (18) is fixedly connected with one side of the ink supply tank (3).
5. The ink supply apparatus for an inkjet printer according to claim 1, characterized by: The detection assembly comprises a supporting plate (19) fixedly connected to one side of the collecting hopper (2), the top of the supporting plate (19) is fixedly installed with a load cell (20), the top of the load cell (20) is movably abutted with the bottom of the ink supply tank (3).
6. The ink supply apparatus for an inkjet printer according to claim 1, characterized by: The guide assembly comprises a guide rod (21), the guide rod (21) is fixedly connected to the top of the ink supply tank (3), the guide rod (21) is movably penetrated through the push plate (10).
7. The ink supply apparatus for an inkjet printer according to claim 1, characterized by: The stirring assembly comprises two stirring frames (22) and two motors (23), the two stirring frames (22) are rotatably connected to the inside of the ink box (1) and the inside of the ink supply tank (3) respectively, the two motors (23) are fixedly installed on the front of the ink box (1) and the front of the ink supply tank (3) respectively, the output ends of the two motors (23) are fixedly connected with one end of the two stirring frames (22) respectively.