Spray head cleaning device

Abstract

The utility model provides a nozzle cleaning device. The nozzle cleaning device comprises a base, an ink receiving box lifted on the base, an ink suction device arranged in the ink receiving box and a filter installed on the side of the ink receiving box, and the ink suction device is provided with an ink suction port and a first liquid outlet. The filter is provided with a liquid inlet communicated with the first liquid outlet, a connector used for being connected with vacuum and a second liquid outlet used for discharging liquid. The ink receiving box is arranged, the ink absorbing device is arranged in the ink receiving box, in the working process of the ink absorbing device, it is ensured that part of leaked ink drips into the ink receiving box, it is avoided that the leaked ink drips to equipment or a working platform or the ground of a workshop to cause secondary pollution, the environment is protected, and extra cleaning work is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing nozzle cleaning technical field especially relates to a nozzle cleaning device. BACKGROUND

[0002] The black edge coating of the automobile windshield or the insulation coating of the power battery water cooling plate all adopts a printing machine to print. The printing machine comprises an ink stack, an ink collecting box and a nozzle, and realizes the printing of the product coating in the form of ink jetting by the nozzle.

[0003] After a period of ink jet printing, the solid particles in the ink will adhere to the extremely small ink path inner wall in the nozzle, causing the ink path to be blocked and affecting the ejection of the water jet. Therefore, the nozzle needs to be cleaned in time.

[0004] The existing cleaning methods are:

[0005] (1) Manual cleaning: manually move the nozzle of the nozzle assembly to a fixed station for manual cleaning. The disadvantage is that manual cleaning is low in efficiency;

[0006] (2) Cleaning with a cleaning device: such as the nozzle automatic cleaning device disclosed in the existing patent No. CN113211991A. The disadvantage is that the scraper is used to remove the ink, and part of the ink will leak out during the operation of the scraper, causing secondary pollution of the working environment. INVENTION CONTENTS

[0007] The utility model aims at providing a nozzle cleaning device to avoid ink leakage and maximize the collection of cleaned ink.

[0008] The technical scheme of the utility model is: a nozzle cleaning device, comprising a base, an ink collecting box lifted on the base, an ink suction device arranged in the ink collecting box, and a filter installed beside the ink collecting box, wherein the ink suction device is provided with an ink suction port and a first liquid outlet, the filter is provided with a liquid inlet communicated with the first liquid outlet, a vacuum interface and a second liquid outlet for liquid discharge.

[0009] In the above scheme, by arranging the ink collecting box and arranging the ink suction device in the ink collecting box, part of the leaked ink can drop into the ink collecting box during the operation of the ink suction device, avoiding the secondary pollution caused by the leaked ink dropping onto the equipment, working platform or workshop floor, protecting the environment and reducing additional cleaning work.

[0010] Preferably, the bottom wall of the ink collecting box is inclined to form a funnel shape, and the top of the ink collecting box is open to form an ink collecting port.

[0011] Preferably, the bottom of the funnel-shaped ink collecting box is surrounded by four isosceles trapezoidal plates.

[0012] Preferably, the bottom of the ink receiving box is provided with a third liquid outlet.

[0013] Preferably, the inkjet head cleaning device further comprises guide pulleys mounted on two opposite side walls of the ink receiving box, and two guide pulleys are arranged on each side wall of the ink receiving box.

[0014] Preferably, the inkjet head cleaning device further comprises a lifting cylinder, the lower end of the ink receiving box is provided with a mounting bracket, the fixed end of the lifting cylinder is connected with the base, and the power output end of the lifting cylinder is connected with the mounting bracket.

[0015] Preferably, the mounting bracket comprises an L-shaped plate with a horizontal edge and a vertical edge, and a U-shaped plate with an open end and a closed end, the open end of the U-shaped plate is connected upwardly to the lower end of the ink receiving box, the closed end of the U-shaped plate is connected with the horizontal edge of the L-shaped plate, and the vertical edge of the L-shaped plate is connected with the lifting cylinder.

[0016] Compared with the related art, the inkjet head cleaning device has the following beneficial effects:

[0017] I. The inkjet head cleaning device is provided with an ink receiving box, and the ink suction device is arranged in the ink receiving box, so that part of the leaked ink can drop into the ink receiving box during the operation of the ink suction device, thereby avoiding the secondary pollution caused by the leaked ink dropping onto the equipment, the working platform or the workshop floor, protecting the environment and reducing the additional cleaning work.

[0018] II. The inkjet head cleaning device is provided with a filter, which can filter the cleaned ink, and the filtered ink can be discharged into a special container for reuse according to the actual situation.

[0019] III. The ink receiving box has a funnel shape, which can increase the flow speed of the ink, concentrate the ink to the middle and discharge it, and avoid the accumulation of the ink on the inner wall of the bottom of the ink receiving box.

[0020] IV. The side wall of the ink receiving box is provided with a guide pulley, which can be matched with the rack of the inkjet printer, ensure the stability of the ink receiving box during the lifting process, play a guiding and supporting role, and ensure that the ink suction device does not collide with the inkjet head. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The first perspective structure schematic view of the inkjet head cleaning device provided by the utility model is shown.

[0022] Figure 2 The second perspective structure schematic view of the inkjet head cleaning device provided by the utility model is shown.

[0023] Figure 3 The three-dimensional structure schematic view of the ink receiving box is shown.

[0024] Figure 4 The front view structure schematic view of the ink receiving box is shown.

[0025] In the drawings: 1, base; 2, lifting cylinder; 3, ink receiving box; 31, third liquid outlet; 32, ink receiving port; 4, ink suction device; 41, ink suction port; 42, first liquid outlet; 5, guide pulley; 6, filter; 61, liquid inlet; 62, second liquid outlet; 63, interface; 7, mounting frame; 71, U-shaped plate; 72, L-shaped plate; 8, first support; 9, second support. DETAILED DESCRIPTION

[0026] The utility model will be explained in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. For the sake of description, if the words "up", "down", "left" and "right" appear in the following text, they only mean the same direction as the up, down, left and right directions of the drawings themselves, and do not limit the structure.

[0027] As shown in Figure 1 , Figure 2 , the nozzle cleaning device provided by the embodiment comprises a base 1, a lifting cylinder 2, an ink receiving box 3, an ink suction device 4, a guide pulley 5, a filter 6, a mounting frame 7, a first support 8 and a second support 9.

[0028] The base 1 is a connecting and supporting part of the whole nozzle cleaning device, which is L-shaped so as to be installed on the production line of the inkjet printer and realize online cleaning of the nozzle. The fixed end of the lifting cylinder 2 is installed on the base 1, and the power output end is connected with the mounting frame 7.

[0029] As shown in Figure 1 , Figure 3 , Figure 4 , the ink receiving box 3 has a rectangular structure, the bottom wall of which is inclined to form a funnel shape, and the bottom of the funnel-shaped ink receiving box 3 is surrounded by four isosceles trapezoidal plates. The top of the ink receiving box 3 is open to form an ink receiving port 32, which is beneficial to receiving the leaked ink. The bottom of the ink receiving box 3 is provided with a third liquid outlet 31.

[0030] As shown in Figure 2 , in order to ensure stable connection with the bottom of the funnel-shaped ink receiving box 3, the mounting frame 7 comprises an L-shaped plate 72 having a horizontal edge and a vertical edge and a U-shaped plate 71 having an open end and a closed end. The open end of the U-shaped plate 71 is connected to the lower end of the ink receiving box 3 upward, the closed end of the U-shaped plate 71 is connected with the horizontal edge of the L-shaped plate 72, and the vertical edge of the L-shaped plate 72 is connected with the lifting cylinder 2.

[0031] The ink absorption device 4 is installed at the middle part of the ink receiving box 3 through a first support 8, and the first support 8 is connected with the inner bottom surface of the ink receiving box 3. The ink absorption device 4 is a purchased part, and is selected to be of a type of absorbing ink through negative pressure. The top of the ink absorption device 4 is provided with an ink absorption port 41, and one side of the ink absorption device 4 is provided with a first liquid outlet 42.

[0032] The filter 6 is installed at one side wall of the ink receiving box 3 through a second support 9. The filter 6 is a purchased part, and the upper part of the filter 6 is provided with a liquid inlet 61 at one end and an interface 63 at the other end, and the lower part of the filter 6 is provided with a second liquid outlet 62. The first liquid outlet 42 is communicated with the liquid inlet 61 through a pipeline. The interface 63 is used for connecting a vacuum generator or a vacuum conveyor, so that the ink absorption device 4 generates negative pressure to suck ink.

[0033] The guide pulleys 5 are installed on two opposite side walls of the ink receiving box 3, and two guide pulleys 5 are arranged on each side wall of the ink receiving box 3. The guide pulleys 5 can be adapted to the frame of the inkjet printer (such as the two guide pulleys 5 inside the frame or the two guide pulleys 5 outside the frame), so as to ensure the stability of the ink receiving box during the lifting process.

[0034] When the inkjet head needs to be cleaned, the inkjet printer is stopped, and the lifting cylinder 2 is started to lift the ink receiving box 3. The guide pulleys 5 on the ink receiving box 3 roll along the frame drum of the inkjet printer during the above process, until the ink absorption device 4 is lifted to a set height, and the lifting cylinder 2 is stopped. The peripheral vacuum generator or vacuum conveyor is started, so that the ink absorption device 4 generates negative pressure to suck the ink on the inkjet head into the ink absorption port 41, and then the ink is introduced into the filter 6 from the first liquid outlet 42 and the liquid inlet 61 for filtering. The filtered ink is discharged from the second liquid outlet 62 to a special container.

[0035] The residual and leaked ink during the working process of the ink absorption device 4 is dropped into the ink receiving box 3, and then flows into the third liquid outlet 31 under the guidance of the inclined bottom wall and is discharged, so as to avoid ink pollution of the machine.

[0036] The above is only an embodiment of the present application, and does not limit the patent range of the present application. Any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields by using the content of the present application, is also included in the patent protection range of the present application.

Claims

1. A nozzle cleaning device, characterized in that, It includes a base (1), an ink collection box (3) that is raised and lowered on the base (1), an ink suction device (4) located in the ink collection box (3), and a filter (6) installed on the side of the ink collection box (3). The ink suction device (4) is provided with an ink suction port (41) and a first liquid outlet (42). The filter (6) is provided with a liquid inlet (61) that communicates with the first liquid outlet (42), an interface (63) for connecting to a vacuum, and a second liquid outlet (62) for draining liquid.

2. The nozzle cleaning device according to claim 1, characterized in that, The bottom wall of the ink cartridge (3) is inclined to form a funnel shape, and the top of the ink cartridge (3) is open to form an ink inlet (32).

3. The nozzle cleaning device according to claim 2, characterized in that, The bottom of the funnel-shaped ink cartridge (3) is formed by four isosceles trapezoidal plates.

4. The nozzle cleaning device according to claim 1 or 2, characterized in that, The bottom of the ink cartridge (3) is provided with a third liquid outlet (31).

5. The nozzle cleaning device according to claim 1 or 2, characterized in that, It also includes guide pulleys (5) installed on two opposite side walls of the ink cartridge (3), with two guide pulleys (5) provided on each side wall of the ink cartridge (3).

6. The nozzle cleaning device according to claim 1 or 2, characterized in that, It also includes a lifting cylinder (2), and the lower end of the ink cartridge (3) is provided with a mounting bracket (7). The fixed end of the lifting cylinder (2) is connected to the base (1), and the power output end of the lifting cylinder (2) is connected to the mounting bracket (7).

7. The nozzle cleaning device according to claim 5, characterized in that, The mounting bracket (7) includes an L-shaped plate (72) with a horizontal side and a vertical side and a U-shaped plate (71) with an open end and a closed end. The open end of the U-shaped plate (71) is connected to the lower end of the ink cartridge (3) facing upwards. The closed end of the U-shaped plate (71) is connected to the horizontal side of the L-shaped plate (72). The vertical side of the L-shaped plate (72) is connected to the lifting cylinder (2).

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