Ink box ink filling device
By tilting the ink filling needle and synchronously rotating the positioning plate, combined with negative pressure extraction, the problem of bubble generation during the ink cartridge filling process in the existing technology is solved, efficient and uniform ink filling is achieved, and the use effect of the ink cartridge reuse is improved.
Patent Information
- Application Number
- CN202511119098.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-11
- Publication Date
- 2025-09-12
AI Technical Summary
The existing ink cartridge filling device is prone to generate bubbles during the filling process, which affects the filling quality and printing effect.
An ink cartridge filling device is designed, which adopts an inclined filling needle and a synchronously rotating positioning plate. The needle is inserted obliquely into the ink cartridge and the ink flows down along the inner wall. The negative pressure exhaust pipe is combined to reduce the generation of bubbles.
Effectively reduce bubble generation, ensure uniform ink filling in the ink cartridge, and improve print quality and market acceptance.
Smart Images
Figure CN120620879A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of ink cartridge recycling and processing, in particular to an ink cartridge ink filling device. Background Art
[0002] With rising environmental awareness and the widespread adoption of resource recycling, the ink cartridge recycling and reuse industry has experienced rapid growth. After undergoing a series of processing steps, including collection, sorting, cleaning, testing, and repair, used ink cartridges can be refilled with ink and reused. This not only reduces user costs but also minimizes resource waste and environmental pollution. During the reprocessing of recycled ink cartridges, ink refilling is a key step in determining their performance, and the quality of the refill directly impacts the cartridge's printing quality and market acceptance.
[0003] Currently, the filling process for recycled ink cartridges usually includes: first, collecting scattered used ink cartridges through recycling channels, screening and removing irreparable scrap, cleaning the reusable ink cartridges, then conducting sealing and circuit testing, replacing damaged parts, and finally filling them with ink through a filling device.
[0004] Existing filling devices primarily consist of a frame, a cartridge positioning mechanism, a vertically mounted ink filling needle, and an ink supply system. During filling, a pre-treated, recycled ink cartridge is secured to the positioning mechanism. The vertical ink filling needle extends through the cartridge's ink inlet, injecting ink into the cartridge using a pressure differential or pump pressure.
[0005] In existing technologies, because the ink filling needle is positioned vertically with its outlet facing the bottom of the ink cartridge cavity, the ink flowing out of the vertical filling needle directly impacts the bottom of the ink cartridge during the filling process, creating a strong flow impact. This impact can draw air into the ink, generating a large number of bubbles. As the filling volume increases, the ink at the bottom of the ink cartridge gradually increases, and subsequent ink injections continuously impact the liquid surface, further exacerbating the generation and spread of bubbles. Summary of the Invention
[0006] The present invention aims to provide an ink cartridge filling device to solve the problem that bubbles are easily generated during filling in the existing ink cartridge filling device.
[0007] An ink cartridge filling device in this solution includes a frame and an ink filling assembly. The frame is detachably provided with a fixing plate for fixing the ink cartridge. The ink filling assembly includes a positioning plate. An ink filling needle is obliquely provided on the positioning plate. The ink filling needle is connected to an ink filling tube, which is connected to an ink storage cartridge. Both ends of the positioning plate are rotatably connected to rotating rods, and the two rotating rods are connected to a driver that drives them to rotate synchronously.
[0008] The working principle and beneficial effects of this solution are as follows: During use, the ink cartridge to be refilled is first secured to a fixed plate to ensure a stable position. The actuator is then activated, causing the two rotating rods to rotate synchronously. Because the positioning plate is rotatably connected to the two rotating rods at each end, the positioning plate remains horizontal and tilts downward during the rotation of the rotating rods. During this movement, the tilted filling needle on the positioning plate is precisely aligned with the ink filling port of the ink cartridge and then inserted obliquely into the cartridge until the tip of the filling needle contacts the inner wall. Once inserted, ink from the ink reservoir is transported to the filling needle through the connected filling tube, ultimately flowing through the filling needle into the ink cartridge, completing the filling operation.
[0009] In this solution, the positioning plate remains horizontal at all times, driven by the rotating rod. The ink filling needle is tilted and inserted obliquely into the ink cartridge, close to the inner wall. This allows the ink to flow slowly down the cartridge wall, preventing the ink from directly impacting the cartridge bottom, the liquid surface, or the internal space, causing violent agitation. This significantly reduces the generation of bubbles during the filling process. This effectively prevents problems such as ink breakage and uneven color caused by bubbles, ensuring the subsequent use of the ink cartridge.
[0010] Furthermore, the driver includes a motor, an output shaft of the motor is fixedly connected to one of the rotating rods, and a belt is connected between the two rotating rods. When the motor is turned on, the motor drives the rotating rod connected to it to rotate, and the belt drives the two rotating rods to rotate simultaneously.
[0011] Furthermore, the fixing plate is snap-fitted to the frame, and a plurality of grooves for fixing ink cartridges are provided on the fixing plate. The snap-fitting facilitates the removal of the fixing plate, and the plurality of grooves can fix a plurality of ink cartridges.
[0012] Furthermore, the filling needle is positioned at an angle of 15° to 60° with respect to the vertical direction. This angle not only prevents interference with the internal structure of the ink cartridge during insertion, reduces squeezing of the ink filling port, but also ensures that ink flows along the inner wall to reduce bubbles.
[0013] Furthermore, the distance between the outlet end of the ink filling needle and the inner wall of the ink cartridge after entering the ink cartridge is 0.5mm to 3mm. Maintaining a distance of 0.5mm to 3mm between the outlet end of the ink filling needle and the inner wall of the ink cartridge ensures that the ink flows along the inner wall and reduces bubbles, while also preventing friction damage to the inner wall and ink splashing due to excessive distance, ensuring uniform and safe ink filling.
[0014] Furthermore, the positioning plate is provided with an air extraction pipe connected to a solenoid valve. The solenoid valve controls the air extraction pipe to generate negative pressure in the ink cartridge, which can help quickly fill the ink and reduce bubbles, thereby improving ink filling efficiency and stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1This is a structural schematic diagram of an ink cartridge filling device of the present invention; Figure 2 for Figure 1 rear view.
[0016] The reference numerals in the drawings of the specification include: ink storage cartridge 1, ink filling tube 2, frame 3, positioning plate 4, rotating rod 5, ink cartridge 6, exhaust pipe 7, solenoid valve 8, ink filling needle 9, fixing plate 10, belt 11, and motor 12. DETAILED DESCRIPTION
[0017] The following is a further detailed description through specific implementation methods: The embodiment is basically as shown in the attached Figure 1 and Figure 2 The figure shows an ink cartridge filling device, comprising a frame 3 and an ink filling assembly. A fixing plate 10 for fixing the ink cartridge 6 is clamped on the frame 3. The fixing plate 10 is provided with four grooves for fixing the ink cartridge 6. The ink filling assembly comprises a positioning plate 4. An ink filling needle 9 is obliquely penetrated through the positioning plate 4 and connected to an ink filling tube 2. The ink filling tube 2 is connected to an ink storage cartridge 1. The angle between the ink filling needle 9 and the vertical direction is 35°. After the outlet end of the ink filling needle 9 enters the ink cartridge 6, the distance between it and the inner wall of the ink cartridge 6 is 1.5 mm. Both ends of the positioning plate 4 are rotatably connected to rotating rods 5. The two rotating rods 5 are connected to a driver that drives them to rotate synchronously. The driver comprises a motor 12. The output shaft of the motor 12 is fixedly connected to one of the rotating rods 5. A belt 11 is connected between the two rotating rods 5. The positioning plate 4 is also provided with an air extraction pipe 7 which is parallel to the ink filling needle 9 and is connected to a solenoid valve 8; The ink storage box 1 is provided with an ink filling port and an air extraction port.
[0018] During use, first insert the four ink cartridges 6 into the grooves of the fixed plate 10 on the frame 3 to complete the fixation. After turning on the motor 12, its output shaft drives a rotating rod 5 to rotate. Under the transmission action of the belt 11, the two rotating rods 5 rotate synchronously, thereby driving the positioning plate 4 connected to it at both ends to keep moving horizontally and tilted downward, so that the ink filling needle 9 on the positioning plate 4, which is at an angle of 35° to the vertical direction, and the exhaust pipe 7 parallel to it, are synchronously inserted into the ink cartridge 6 obliquely until the outlet end of the ink filling needle 9 maintains a distance of 1.5 mm from the inner wall of the ink cartridge 6; then the exhaust pipe 7 is controlled by the solenoid valve 8 to generate negative pressure in the ink cartridge 6, and at the same time, the ink in the ink storage cartridge 1 is injected into the ink cartridge 6 through the ink filling tube 2 and the ink filling needle 9 to complete the ink filling operation.
[0019] The above is only an embodiment of the present invention, and the common knowledge such as the specific structure and characteristics of the scheme is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several variations and improvements can be made, which should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.
Claims
1. An ink cartridge filling device, characterized in that: The ink filling assembly includes a frame and an ink filling assembly. The frame is detachably provided with a fixing plate for fixing the ink cartridge. The ink filling assembly includes a positioning plate. An ink filling needle is obliquely provided on the positioning plate. The ink filling needle is connected to an ink filling tube. The ink filling tube is connected to an ink storage cartridge. Both ends of the positioning plate are rotatably connected to rotating rods. The two rotating rods are connected to a driver that drives them to rotate synchronously.
2. The ink cartridge filling device according to claim 1, characterized in that: The driver comprises a motor, an output shaft of the motor is fixedly connected to one of the rotating rods, and a belt is connected between the two rotating rods.
3. The ink cartridge refilling device according to claim 2, characterized in that: The fixing plate is clamped with the frame, and a plurality of grooves for fixing the ink cartridges are provided on the fixing plate.
4. The ink cartridge filling device according to claim 3, characterized in that: The angle between the ink filling needle and the vertical direction is 15°~60°.
5. The ink cartridge filling device according to claim 4, characterized in that: The distance between the outlet end of the ink filling needle and the inner wall of the ink cartridge after the ink filling needle enters the ink cartridge is 0.5 mm to 3 mm.
6. The ink cartridge refilling device according to claim 5, characterized in that: The positioning plate is also provided with an air extraction pipe, which is connected to a solenoid valve.