Printing ink cleaning device of photogravure press

By combining ultrasonic cleaning and rinsing, the problem of incomplete cleaning of printing rollers is solved, achieving efficient and thorough cleaning and extending the service life of printing rollers.

CN224103727UActive Publication Date: 2026-04-10CHONGQING CEXUN TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing printing roller cleaning devices cannot thoroughly clean residual cleaning agents, resulting in long-term adhesion of cleaning agents that accelerates roller aging and is time-consuming and labor-intensive.

Method used

The process involves ultrasonic cleaning combined with rinsing. An ultrasonic transducer generates bubbles in the cleaning solution to thoroughly remove ink stains. The remaining cleaning solution is then rinsed off with clean water, and the solution is allowed to air dry naturally.

Benefits of technology

It achieves thorough cleaning of printing rollers, avoids cleaning agent residue, extends the service life of the rollers, and improves cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224103727U_ABST
    Figure CN224103727U_ABST
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Abstract

The printing ink cleaning device of the photogravure press comprises a cleaning pool, a supporting plate and a top frame, a water drainage pipe communicated with the interior of the cleaning pool is arranged at the lower position of the front face of the cleaning pool, and a water inlet pipe communicated with the interior of the cleaning pool is arranged at the upper position of the side face of the cleaning pool; side supporting columns are vertically arranged at the four corners of the outer surface of the cleaning pool, the top frame is horizontally arranged at the upper ends of the side supporting columns, the top frame is located over the cleaning pool, the supporting plate is located in the cleaning pool, and the supporting plate is located under the top frame. According to the plate roller cleaning device, after cleaning is completed, the plate roller is naturally aired on the upper surface of the supporting plate, and after airing, a worker can carry the plate roller and take the plate roller down from the supporting plate; and then the printing roller which is not cleaned is placed on the supporting plate. The whole equipment adopts a mode of completely immersing the plate roller for ultrasonic cleaning and then adopting a flushing mode, so that the plate roller can be fully and thoroughly cleaned.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ink cleaning of gravure printing machine, specifically to an ink cleaning device of gravure printing machine. BACKGROUND

[0002] The printing roller is a rubber roller used for printing, ink adjusting and ink transferring in the printing machine. The surface of the printing roller is provided with staggered net patterns. After daily printing operation, the residual ink and impurities in the net patterns need to be cleaned in time to avoid the residual ink on the surface of the printing roller from affecting the next printing, such as uneven ink distribution and uneven depth. Some existing printing roller cleaning devices place the printing roller in a groove, and the groove contains a cleaning agent that can dissolve the ink. The printing roller is driven to rotate by a driving motor to evenly and stably clean the ink on the surface of the printing roller. However, this cleaning method cannot completely flush the residual cleaning agent on the surface of the printing roller, and the long-term attachment of the cleaning agent on the printing roller can accelerate the aging of the rubber roller, and the cleaning agent cannot be directly used, which is time-consuming and labor-intensive.

[0003] In view of the above problems, the utility model is proposed. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the purpose of the utility model is to provide an ink cleaning device of a gravure printing machine to solve the problems mentioned in the background art.

[0005] To solve the above technical problems, the utility model provides the following technical scheme.

[0006] The utility model provides an ink cleaning device of a gravure printing machine, which comprises a cleaning pool, a supporting plate and a top frame, the front lower position of the cleaning pool is provided with a drain pipe communicating with the inside of the cleaning pool, the upper position of the side of the cleaning pool is provided with a water inlet pipe communicating with the inside of the cleaning pool;

[0007] The outer surface of the cleaning pool is vertically provided with side columns at four corner positions, the top frame is horizontally arranged at the upper end of the side column, the top frame is located directly above the cleaning pool, the supporting plate is located in the inside of the cleaning pool, the supporting plate is located directly below the top frame, and the supporting plate and the top frame are connected through an electric push rod;

[0008] The front and back of the inner side wall of the cleaning pool is provided with an ultrasonic transducer, a plurality of supporting rings are symmetrically arranged on the left and right sides of the inner side wall of the cleaning pool, and a plurality of nozzles are arranged on the lower surface of the top frame;

[0009] The outer side of the cleaning pool is provided with a water tank, the upper surface of the water tank is provided with a liquid pump, the water inlet end of the liquid pump is communicated with the inside of the water tank, the water outlet of the liquid pump is provided with a hose, and the end of the hose away from the liquid pump penetrates through the middle position of the top frame and is communicated with the nozzle.

[0010] Preferably, the front of the cleaning tank is provided with a support, and the support is provided with an ultrasonic generator, and the ultrasonic generator is signal connected with the ultrasonic transducer.

[0011] Preferably, the upper surface of the support plate is provided with a plurality of water permeable holes, and the plurality of water permeable holes are uniformly distributed along the length direction and the width direction of the support plate.

[0012] Preferably, the support rings are semicircular rings, the left and right support rings are aligned with each other, and the front and rear support rings are uniformly distributed along the width direction of the cleaning tank.

[0013] Preferably, the water inlet pipe and the water outlet pipe are both provided with valves.

[0014] Preferably, the telescopic stroke of the electric push rod is greater than the depth of the cleaning tank.

[0015] Preferably, the plurality of nozzles are uniformly distributed on the lower surface of the top frame.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The printing plate roller is horizontally placed in the cleaning tank, the two ends of the plate roller are respectively placed on the two support rings, the support plate is located below the plate roller, the cleaning liquid enters from the water inlet pipe, all the plate rollers are ground, the ultrasonic generator controls the work of the ultrasonic transducer, and the ultrasonic transducer emits ultrasonic waves, so that a large number of bubbles are generated in the cleaning liquid, and the cleaning liquid can clean the oil stains and ink stains on the surface of the plate roller.

[0018] After cleaning, the four electric push rods are retracted, the electric push rod can drive the support plate to move upwards, so that the support plate can support the plate roller, the plate roller moves upwards and leaves the cleaning liquid, and the support plate and the plurality of plate rollers are located above the cleaning tank.

[0019] The liquid pump works, the clean water in the water tank can enter the hose through the liquid pump, the clean water in the hose is sprayed through the plurality of nozzles, the nozzles are located above the plurality of plate rollers, the sprayed clean water can flush the residual cleaning liquid on the surface of the plate roller, and the sprayed clean water can flow into the cleaning tank below through the water permeable holes.

[0020] After cleaning, the plate roller is naturally dried on the upper surface of the support plate, after drying, the worker can carry the plate roller and take the plate roller off the support plate, and then the plate roller which has not been cleaned can be placed on the support plate. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is a perspective view of the support plate located at the bottom surface of the cleaning pool of the utility model;

[0022] Fig. 2 is a perspective view of the support plate located at the opening of the cleaning pool of the utility model;

[0023] Fig. 3 is a perspective view of the nozzle of the utility model.

[0024] In the figure: 1, cleaning pool; 11, water inlet pipe; 12, drain pipe; 13, side support column; 14, top frame; 15, nozzle; 16, support ring; 17, ultrasonic transducer; 18, support; 19, ultrasonic generator; 2, support plate; 21, electric push rod; 22, water-permeable hole; 3, water tank; 31, liquid pump; 32, hose. DETAILED DESCRIPTION

[0025] The technical solutions 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, rather than all the embodiments.

[0026] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] As Figs. 1-3 shown, an ink cleaning device of a photogravure press, including cleaning pool 1, support plate 2 and top frame 14, the front of cleaning pool 1 is provided with drain pipe 12 communicating with the inside of cleaning pool 1, the side of cleaning pool 1 is provided with water inlet pipe 11 communicating with the inside of cleaning pool 1;

[0028] The outer surface of cleaning pool 1 is vertically provided with side support column 13 at four corner positions, top frame 14 is horizontally arranged at the upper end of side support column 13, top frame 14 is located directly above cleaning pool 1, support plate 2 is located inside cleaning pool 1, support plate 2 is located directly below top frame 14, support plate 2 and top frame 14 are connected through electric push rod 21;

[0029] The front and back of the inner side wall of cleaning pool 1 is provided with ultrasonic transducer 17, the left and right of the inner side wall of cleaning pool 1 is symmetrically provided with a plurality of support rings 16, the lower surface of top frame 14 is provided with a plurality of nozzles 15;

[0030] The outer side of the cleaning pool 1 is provided with a water tank 3, the upper surface of the water tank 3 is provided with a liquid pump 31, the water inlet end of the liquid pump 31 is communicated with the inside of the water tank 3, the water outlet of the liquid pump 31 is provided with a hose 32, one end of the hose 32 away from the liquid pump 31 passes through the middle position of the top frame 14 and is communicated with the nozzle 15.

[0031] The front of the cleaning pool 1 is provided with a support 18, the support 18 is provided with an ultrasonic generator 19, the ultrasonic generator 19 is signal connected with the ultrasonic transducer 17.

[0032] The upper surface of the support plate 2 is provided with a plurality of water permeable holes 22, the plurality of water permeable holes 22 are evenly distributed along the length direction and width direction of the support plate 2.

[0033] The support ring 16 is a semicircular ring, the left and right positions of the support ring 16 are aligned with each other, and the front and rear positions of the support ring 16 are evenly distributed along the width direction of the cleaning pool 1.

[0034] The water inlet pipe 11 and the drain pipe 12 are both provided with valves.

[0035] The telescopic stroke of the electric push rod 21 is greater than the depth of the cleaning pool 1.

[0036] The nozzle 15 has a plurality of nozzles 15, which are evenly distributed on the lower surface of the top frame 14.

[0037] As described above: the printing plate roller is placed horizontally in the cleaning pool 1, the two ends of the plate roller are respectively placed on the two support rings 16, the support plate 2 is located below the plate roller, the cleaning liquid enters from the water inlet pipe 11, all the plate rollers are ground, the ultrasonic generator 19 controls the ultrasonic transducer 17 to work, the ultrasonic transducer 17 emits ultrasonic waves, which can generate a large number of bubbles in the cleaning liquid, so that the cleaning liquid can clean the oil stains and ink stains on the surface of the plate roller;

[0038] After cleaning, the four electric push rods 21 are retracted, the electric push rod 21 can drive the support plate 2 to move upward, so that the support plate 2 can support the plate roller, the plate roller moves upward and leaves the cleaning liquid, the support plate 2 and the plurality of plate rollers are located above the cleaning pool 1;

[0039] The liquid pump 31 works, the clean water in the water tank 3 can enter the hose 32 through the liquid pump 31, the clean water in the hose 32 is sprayed out through the plurality of nozzles 15, the nozzles 15 are located above the plurality of plate rollers, the sprayed clean water can flush the residual cleaning liquid on the surface of the plate roller, and the sprayed clean water can flow into the cleaning pool 1 below through the water permeable holes 22;

[0040] After cleaning, the plate roller is naturally dried on the upper surface of the support plate 2, and after drying, the worker can carry the plate roller and take it off the support plate 2; then the plate roller which is not cleaned is placed on the support plate 2; the whole device adopts the ultrasonic cleaning of completely immersing the plate roller, and then adopts the flushing mode, so that the plate roller can be cleaned more fully and completely.

[0041] The above merely provides a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An ink cleaning device for a gravure printing machine, characterized in that: It includes a cleaning tank (1), a support plate (2) and a top frame (14). A drain pipe (12) is provided on the lower front of the cleaning tank (1) to connect to the inside of the cleaning tank (1), and a water inlet pipe (11) is provided on the upper side of the cleaning tank (1) to connect to the inside of the cleaning tank (1). The cleaning tank (1) has four vertically arranged side support columns (13) at the four corners of its outer surface. The top frame (14) is arranged horizontally at the upper end of the side support columns (13). The top frame (14) is located directly above the cleaning tank (1). The support plate (2) is located inside the cleaning tank (1) and directly below the top frame (14). The support plate (2) and the top frame (14) are connected by an electric push rod (21). The inner wall of the cleaning tank (1) is provided with ultrasonic transducers (17) on the front and back sides. Multiple support rings (16) are symmetrically arranged on the left and right sides of the inner wall of the cleaning tank (1). Multiple nozzles (15) are provided on the lower surface of the top frame (14). A water tank (3) is provided on the outer side of the cleaning pool (1). A liquid pump (31) is provided on the upper surface of the water tank (3). The inlet end of the liquid pump (31) is connected to the interior of the water tank (3). A hose (32) is provided at the outlet of the liquid pump (31). The end of the hose (32) away from the liquid pump (31) passes through the middle position of the top frame (14) and is connected to the nozzle (15).

2. The ink cleaning device for a gravure printing machine according to claim 1, characterized in that: A bracket (18) is provided on the front of the cleaning tank (1), and an ultrasonic generator (19) is provided on the bracket (18). The ultrasonic generator (19) is connected to the ultrasonic transducer (17).

3. The ink cleaning device for a gravure printing machine according to claim 1, characterized in that: The upper surface of the support plate (2) is provided with a plurality of water-permeable holes (22), which are evenly distributed at equal intervals along the length and width directions of the support plate (2).

4. The ink cleaning device for a gravure printing machine according to claim 1, characterized in that: The support ring (16) is semi-circular, with the support rings (16) on the left and right sides aligned with each other, and the support rings (16) on the front and back sides evenly distributed at equal intervals along the width direction of the cleaning pool (1).

5. The ink cleaning device for a gravure printing machine according to claim 1, characterized in that: Valves are installed on both the water inlet pipe (11) and the water outlet pipe (12).

6. The ink cleaning device for a gravure printing machine according to claim 1, characterized in that: The extension stroke of the electric actuator (21) is greater than the depth of the cleaning tank (1).

7. The ink cleaning device for a gravure printing machine according to claim 1, characterized in that: There are multiple nozzles (15), and the multiple nozzles (15) are evenly distributed at equal intervals on the lower surface of the top frame (14).