Circulating device for preventing ink precipitation on small uv printer

By installing a circulation device on the UV printer, the ink can circulate and be filtered, solving the problems of uneven printing and printhead clogging caused by ink sedimentation, thus improving print quality and production efficiency.

CN223850265UActive Publication Date: 2026-01-30GUANGDONG SONGPU INTELLIGENT MACHINERY CO LTD
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Patent Information

Application Number
CN202520820101.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-01-30
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

Traditional UV printer ink cartridges often experience ink sedimentation during use, leading to uneven printing colors. If not addressed promptly, this can cause printhead clogging, increasing maintenance costs and reducing productivity.

Method used

A circulation device for a small UV printer was designed, including a UV ink cartridge, a UV circulating ink pump, and a UV ink bladder. The ink is circulated through the UV circulating ink pump and ink tube, and air bubbles and impurities are filtered out during the circulation process to ensure ink quality.

Benefits of technology

It effectively prevents ink sedimentation, ensures stable print quality, avoids printhead clogging and poor ink flow, reduces maintenance costs, and increases production capacity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a circulating device for preventing ink precipitation on a small uv printer, belongs to the technical field of UV printing, and aims to solve the technical problem of uneven printing color caused by ink precipitation in the use process of an ink box in the prior art. The circulating device for preventing ink precipitation on the small uv printer comprises a UV ink box, a UV circulating ink pump and a UV ink bag, a UV circulating ink pipe is connected between the UV ink box and the UV circulating ink pump, and the UV circulating ink pump circularly pumps ink in the UV ink box; an ink supply pipe is connected between the UV ink bag and the UV ink box, an ink jet head is arranged on the UV ink bag, and ink in the UV ink box flows into the UV ink bag through the ink supply pipe and enters the ink jet head for ink jet. According to the circulating device for preventing ink precipitation on the small uv printer, the problem of pigment precipitation caused by long-time static ink is effectively solved, and the stability of printing quality is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the UV printing technical field, concretely relates to a circulating device for preventing ink deposition on small uv printer. BACKGROUND

[0002] With the increase of consumer individualization needs, the market demand for products with unique design and customization elements is growing. UV printers, with their powerful printing capabilities and flexibility, can meet various individualization customization needs, such as customized packaging, advertising signs, home decoration, etc., and are widely used.

[0003] The traditional uv printer ink cartridge often appears ink deposition during use, which leads to uneven printing color. In the past, in order to solve this phenomenon, the original ink treatment has to be replaced with new ink, which causes ink waste and increases material cost. In addition, if the ink is not treated in time, the ink path will not flow smoothly, causing the nozzle to be blocked, increasing maintenance cost and causing low productivity due to frequent maintenance. Therefore, the present application provides a circulating device for preventing ink deposition on small uv printer. SUMMARY

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a circulating device for preventing ink deposition on small uv printer, which aims to solve the technical problem of uneven printing color caused by ink deposition in the use process of the ink cartridge in the prior art.

[0005] TECHNICAL SCHEME

[0006] In order to solve the above technical problems, the utility model provides a circulating device for preventing ink deposition on small uv printer, which comprises a UV ink cartridge, a UV circulating ink pump and a UV ink capsule, a UV circulating ink pipe is connected between the UV ink cartridge and the UV circulating ink pump, and the UV circulating ink pump circulates and pumps the ink in the UV ink cartridge; a ink supply pipe is connected between the UV ink cartridge and the UV ink capsule, an inkjet head is provided on the UV ink capsule, and the ink in the UV ink cartridge flows into the UV ink capsule through the ink supply pipe and enters the inkjet head for inkjet.

[0007] Preferably, the UV circulating ink pipe is provided with two roots, a circulating connector connected with the two UV circulating ink pipes is provided on the UV ink cartridge, one of the circulating connectors extends to the bottom of the UV ink cartridge, and the other end of the two UV circulating ink pipes is connected with the inlet and outlet of the UV circulating ink pump respectively.

[0008] Preferably, an ink supply connector is provided on the UV ink cartridge, and the ink supply pipe is connected with the inside of the UV ink cartridge through the ink supply connector.

[0009] Preferably, the ink supply connector includes a top plate embedded in the UV ink cartridge and an ink supply connector disposed on the upper surface of the top plate. The ink supply tube is connected to the ink supply connector. A supply pipe is vertically connected to the bottom of the top plate. The supply pipe is connected to the ink supply connector and extends into the bottom of the UV ink cartridge. An ink supply pump is installed between the ink supply tube and the UV ink sac.

[0010] Preferably, a filter box is provided at one end of the supply pipe that extends into the UV ink cartridge.

[0011] Preferably, the filter box includes a connecting plate fixed to the bottom end of the conveying pipe and a filter screen bag disposed at the bottom of the connecting plate. The connecting plate and the filter screen bag form a box structure, and the bottom end of the conveying pipe extends through the connecting plate and into the filter screen bag.

[0012] Preferably, the bottom of the top plate is provided with a boss that is embedded in the UV ink cartridge, and the two ends of the top plate are provided with lugs, and screws that are threadedly connected to the UV ink cartridge are passed through the lugs.

[0013] Preferably, the bottom end of the feed pipe is configured as a conical structure, and multiple ink inlets are provided on the conical surface of the bottom end of the feed pipe.

[0014] Beneficial effects

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention utilizes a UV circulating ink pump, which, in conjunction with a UV circulating ink tube, circulates and pumps ink within the UV ink cartridge, ensuring continuous ink flow. The circulated ink then flows through the ink supply tube and the UV ink sac of the ink supply pump into the printhead for inkjet printing. This design effectively solves the problem of pigment sedimentation caused by prolonged ink stagnation.

[0017] This invention, through the setting of the filter cartridge, allows the ink in the UV ink cartridge to be filtered by the filter screen before being delivered to the UV ink sac through the ink supply tube. The air bubbles generated during the ink circulation and impurities in the ink are then filtered out. The ink is then delivered to the UV ink sac by the delivery tube and the ink supply tube, thus avoiding the ink shortage phenomenon that air bubbles can easily cause during high-speed inkjet printing and ensuring the stability of print quality. Attached image description:

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 It is the structure schematic view of UV ink box in the utility model;

[0021] Figure 3 It is the structure schematic view of ink supply connecting piece in the utility model;

[0022] Figure 4 It is the internal structure schematic view of filter box.

[0023] The signs in the drawing are: 1, UV ink box; 2, UV circulating ink pump; 3, UV circulating ink pipe; 4, UV ink bag; 5, ink jet head; 6, ink supply pipe; 7, circulating joint; 8, ink supply connecting piece; 9, top plate; 10, ink supply joint; 11, delivery pipe; 12, connecting plate; 13, filter screen pocket; 14, boss; 15, ear block; 16, screw; 17, ink inlet. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] The embodiment provides a circulating device for preventing ink deposition on a small uv printer, and a structure schematic view thereof is shown in the figure. Figures 1-4 The circulating device comprises a UV ink box 1, a UV circulating ink pump 2 and a UV ink bag 4. The UV circulating ink pump 2 is connected with the UV circulating ink pipe 3 between the UV ink box 1 and the UV circulating ink pump 2, and the UV circulating ink pump 2 circulates and pumps the ink in the UV ink box 1. The ink supply pipe 6 is connected between the UV ink bag 4 and the UV ink box 1, the ink jet head 5 is arranged on the UV ink bag 4, the ink in the UV ink box 1 flows into the UV ink bag 4 through the ink supply pipe 6 and enters the ink jet head 5 to perform ink jetting, and the ink supply pump is assembled between the ink supply pipe 6 and the UV ink bag 4. By arranging the UV circulating ink pump 2, the UV circulating ink pump 2 circulates and pumps the ink in the UV ink box 1 in cooperation with the UV circulating ink pipe 3, so that the ink in the UV ink box 1 circulates and flows. The ink circulated and pumped enters the ink jet head 5 through the ink supply pipe 6 and the ink supply pump UV ink bag 4 to perform product ink jetting. This structure mode effectively solves the pigment deposition problem caused by long-term static ink, avoids the ink uneven treatment to cause the ink path to discharge ink and block the ink jet head, increases the maintenance cost and the low production capacity problem caused by frequent maintenance.

[0026] In the embodiment, two UV circulating ink pipes 3 are arranged, and the UV ink box 1 is provided with two circulating joints 7 connected with the two UV circulating ink pipes 3, one of the two circulating joints 7 extends to the bottom of the UV ink box 1, and the other ends of the two UV circulating ink pipes 3 are connected with the inlet and outlet of the UV circulating ink pump 2 respectively.

[0027] In a further embodiment, the UV ink box 1 is provided with an ink supply connecting piece 8, the ink supply pipe 6 is connected with the inside of the UV ink box 1 through the ink supply connecting piece 8, the ink supply connecting piece 8 comprises a top plate 9 embedded on the UV ink box 1 and an ink supply joint 10 arranged on the upper surface of the top plate 9, the ink supply pipe 6 is connected with the ink supply joint 10, the bottom of the top plate 9 is vertically connected with a delivery pipe 11, the delivery pipe 11 is connected with the ink supply joint 10, and the delivery pipe 11 extends into the bottom of the UV ink box 1, and the end of the delivery pipe 11 extending into the UV ink box 1 is provided with a filter box, through the arrangement of the filter box, the bubbles generated by the circulation of the ink in the UV ink box 1 and the impurities in the ink can be filtered before the ink is delivered to the UV ink bag 4 through the ink supply pipe 6, and then the ink is delivered to the UV ink bag 4 through the delivery pipe 11 and the ink supply pipe 6, which avoids the phenomenon of ink shortage caused by bubbles in high-speed inkjet, and ensures the stability of the printing quality.

[0028] In the embodiment, the filter box comprises a connecting plate 12 fixed at the bottom end of the delivery pipe 11 and a filter net pocket 13 arranged at the bottom of the connecting plate 12, the connecting plate 12 and the filter net pocket 13 form a box structure, the bottom end of the delivery pipe 11 penetrates through the connecting plate 12 and extends into the filter net pocket 13, and the filter net pocket 13 is used for filtering the bubbles and impurities in the ink. The bottom of the top plate 9 is provided with a boss 14 embedded in the UV ink box 1, the two ends of the top plate 9 are provided with ear blocks 15, and screws 16 are arranged on the ear blocks 15 and are screwed with the UV ink box 1, which is used for connecting and fixing the top plate 9 with the UV ink box 1, and facilitates taking out the filter box from the UV ink box 1 for maintenance.

[0029] Further, in the embodiment, the bottom end of the delivery pipe 11 is provided with a conical structure, and a plurality of ink inlet openings 17 are arranged on the conical surface of the bottom end of the delivery pipe 11, which is beneficial to the ink in the UV ink box 1 entering the delivery pipe 11.

[0030] Working principle: in use, by setting UV circulating ink pump 2, UV circulating ink pump 2 cooperate with UV circulating ink pipe 3 to UV ink box 1 in the circulation pumping, make UV ink box 1 in the ink circulating flow, the ink through the circulation pumping enters inkjet head 5 through ink supply pipe 6 and ink supply pump UV ink capsule 4 and carries out product inkjet, this structure mode, effectively solve the pigment precipitation problem caused by long time standing of ink, further, through the setting of filter box, the ink in UV ink box 1 can be filtered by filter screen 13 before being transported to UV ink capsule 4 by ink supply pipe 6, the bubbles generated by the circulation pumping of the ink and the impurities in the ink are filtered, and then transported to UV ink capsule 4 by delivery pipe 11 and ink supply pipe 6, avoiding the bubble to cause the ink shortage phenomenon when high-speed inkjet, ensuring the stability of printing quality.

[0031] All the technical features in the embodiment can be freely combined according to actual needs.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A circulating device for preventing ink sedimentation on a small uv printer, comprising a UV ink box (1), a UV circulating ink pump (2) and a UV ink capsule (4), characterized in that: a UV circulating ink pipe (3) is connected between the UV ink box (1) and the UV circulating ink pump (2), and the UV circulating ink pump (2) circulates and pumps the ink in the UV ink box (1); a supply pipe (6) is connected between the UV ink capsule (4) and the UV ink box (1), an inkjet head (5) is arranged on the UV ink capsule (4), and the ink in the UV ink box (1) flows into the UV ink capsule (4) through the supply pipe (6) and enters the inkjet head (5) to perform inkjet. Two UV circulating ink pipes (3) are arranged, two circulating connectors (7) are arranged on the UV ink box (1) and connected with the two UV circulating ink pipes (3), one of the circulating connectors (7) extends to the bottom of the UV ink box (1), and the other ends of the two UV circulating ink pipes (3) are respectively connected with the inlet and outlet of the UV circulating ink pump (2). An ink supply connector (8) is arranged on the UV ink box (1), and the supply pipe (6) is connected with the inside of the UV ink box (1) through the ink supply connector (8).

2. A recirculation device for preventing ink sedimentation in a small uv printer according to claim 1, characterized in that, The ink supply connector (8) comprises a top plate (9) embedded on the UV ink box (1) and an ink supply connector (10) arranged on the upper surface of the top plate (9), the supply pipe (6) is connected with the ink supply connector (10), a delivery pipe (11) is vertically connected with the bottom of the top plate (9), the delivery pipe (11) is connected with the ink supply connector (10), the delivery pipe (11) extends into the bottom of the UV ink box (1), and a supply pump is arranged between the supply pipe (6) and the UV ink capsule (4).

3. A recirculation device for preventing ink sedimentation in a small uv printer, according to claim 1, characterized in that, An end of the delivery pipe (11) extending into the UV ink box (1) is provided with a filter box.

4. A recirculation device for preventing ink sedimentation in a small uv printer according to claim 3, characterized in that, The filter box comprises a connecting plate (12) fixed on the bottom end of the delivery pipe (11) and a filter screen pocket (13) arranged on the bottom of the connecting plate (12), the connecting plate (12) and the filter screen pocket (13) form a box structure, and the bottom end of the delivery pipe (11) penetrates through the connecting plate (12) and extends into the filter screen pocket (13).

5. A recirculation device for preventing ink sedimentation in a small uv printer according to claim 4, characterized in that, A boss (14) embedded in the UV ink box (1) is arranged on the bottom of the top plate (9), and ear blocks (15) are arranged at both ends of the top plate (9), and screws (16) threadedly connected with the UV ink box (1) are arranged on the ear blocks (15).

6. A recirculation device for preventing ink sedimentation in a small uv printer according to claim 5, characterized in that, The bottom end of the delivery pipe (11) is arranged in a conical structure, and a plurality of ink inlet openings (17) are arranged on the conical surface of the bottom end of the delivery pipe (11).

7. A recirculation device for preventing ink sedimentation in a small uv printer according to claim 5, characterized in that, ​ 8. A recirculation device for preventing ink sedimentation in a small uv printer according to claim 6, characterized in that, ​