Spray head cleaning and moisturizing mechanism

Abstract

The utility model relates to the technical field of digital printing machines, and discloses a nozzle cleaning and moisturizing mechanism, which comprises a cleaning device and a moisturizing device, the moisturizing device comprises a moisturizing cavity; wherein a first flow guide pipe is arranged at the bottom of the cleaning device, and one end of the first flow guide pipe communicates with the cleaning cavity; the bottom of the moisturizing cavity is communicated with a second flow guide pipe, the second flow guide pipe is communicated with the moisturizing cavity, the top end face of the side, communicated with the moisturizing cavity, of the second flow guide pipe is higher than the bottom face of the moisturizing cavity, and the first flow guide pipe is communicated with the second flow guide pipe. And an electromagnetic valve for water is also arranged between the first flow guide pipe and the second flow guide pipe. After the cleaning device cleans the scraping piece of the spray head, water in the cleaning cavity is communicated through the first flow guide pipe and the second flow guide pipe, and the water is conveyed into the moisturizing box through the water electromagnetic valve for secondary recycling, so that the water is used for moisturizing, water waste is reduced, and the printing cost is reduced. Furthermore, the first flow guide pipe can be communicated into a cleaning tank of a cleaning mechanism of the printing machine, and the cleaning mechanism is used for cleaning the guide belt, so that water is recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of digital printing machines, in particular to a nozzle cleaning and moisturizing mechanism. Background Art

[0002] Nozzle cleaning and moisturizing are an indispensable part of digital printing machines. After printing, the nozzle needs to be cleaned and moisturized. Its function is to prevent the ink from hardening and clogging the nozzle, and at the same time, moisturize the nozzle to ensure smooth printing next time.

[0003] In existing technologies, both nozzle cleaning and nozzle moisturizing require moisturizing, and the two water circuits are independent. For digital printing machines with more than 100 nozzles, nozzle cleaning alone requires a large amount of water, and nozzle moisturizing also requires a large amount of water. The need for cleaning and moisturizing after each print results in a significant waste of water and increases production costs. Utility Model Content

[0004] Based on the above, the purpose of the present invention is to provide a nozzle cleaning and moisturizing mechanism, in which the water after the nozzle is cleaned can be guided to moisturizing through the water channel, thereby reducing water waste and lowering printing costs.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a nozzle cleaning and moisturizing mechanism, comprising:

[0007] a cleaning device comprising a cleaning chamber;

[0008] A moisturizing device comprising a moisturizing chamber;

[0009] Among them, a first flow guide tube is provided at the bottom of the cleaning device, and one end of the first flow guide tube is connected to the cleaning chamber; a second flow guide tube is connected to the bottom of the moisturizing chamber, and the second flow guide tube is connected to the moisturizing chamber, and the top surface of the side of the second flow guide tube connected to the moisturizing chamber is higher than the bottom surface of the moisturizing chamber, the first flow guide tube and the second flow guide tube are connected, and a water solenoid valve is also provided between the first flow guide tube and the second flow guide tube.

[0010] Preferably, the bottom of the first flow guide pipe is further connected to a third flow guide pipe, and the third flow guide pipe is provided with a first manual valve.

[0011] Preferably, a fourth flow guide tube is further connected to the bottom of the moisturizing device, and the fourth flow guide tube is communicated with the moisturizing cavity.

[0012] Preferably, the cleaning device comprises:

[0013] a cleaning box, wherein the cleaning chamber is disposed in the cleaning box;

[0014] A driving unit is arranged in the cleaning box;

[0015] The output of the driving unit is connected to the scraping blade part, which is used to scrape the ink out of the nozzle.

[0016] Preferably, the driving unit includes:

[0017] A driving shaft is rotatably disposed on one side of the cleaning box;

[0018] A driven shaft is rotatably disposed on the other side of the cleaning box;

[0019] Two sets of conveyor belts are arranged in parallel between the driving shaft and the driven shaft, and a plurality of scraper parts are arranged between the two sets of conveyor belts;

[0020] The driving motor has a reducer at its output end, and the reducer is coaxially connected to the driving shaft.

[0021] Preferably, the scraper portion comprises:

[0022] a scraper mounting plate, the two ends of which are connected one-to-one with the two sets of conveyor belts;

[0023] At least two groups of scraper blade mounting seats are arranged on the scraper blade mounting plate, the scraper blade mounting seat includes a scraper blade mounting base and a scraper blade mounting inclined seat, the front and rear sides of the scraper blade mounting inclined seat are respectively provided with a front scraper and a rear scraper blade, the front side of the scraper blade mounting inclined seat includes a first supporting surface and a first inclined surface, the bottom surface of the front scraper blade is close to the first supporting surface, the side surface of the front scraper blade is close to the first inclined surface, the front scraper is fixed to the front side of the scraper blade mounting inclined seat by a first scraper fixing plate, the rear side of the scraper blade mounting inclined seat includes a second supporting surface and a second inclined surface, the bottom surface of the rear scraper blade is close to the second supporting surface, the side surface of the rear scraper blade is close to the second inclined surface, the rear scraper is fixed to the rear side of the scraper blade mounting inclined seat by a second scraper fixing plate, and the height of the top of the front scraper blade is higher than the height of the top of the rear scraper blade.

[0024] Preferably, the moisturizing device comprises:

[0025] The moisturizing box is provided with a moisturizing cavity in the moisturizing box, and a silicone gasket is provided around the top of the moisturizing box.

[0026] Preferably, a support plate is provided in the moisturizing box and at the bottom of the moisturizing cavity, a grid is placed on the support plate, and a plurality of moisturizing through holes are opened on the grid.

[0027] Preferably, it also includes:

[0028] A fixing frame, on which the cleaning device and the moisturizing device are arranged.

[0029] Preferably, the bottom of the cleaning device is further connected to a fifth guide pipe, and a second manual valve is provided on the fifth guide pipe.

[0030] The beneficial effects of the utility model are:

[0031] (1) The utility model provides a nozzle cleaning and moisturizing mechanism. After the cleaning device cleans the scraper of the nozzle, the water in the cleaning chamber is connected through the first guide tube and the second guide tube, and the water is transported to the moisturizing box through the water solenoid valve for secondary recycling to be used for moisturizing, thereby reducing water waste and lowering printing costs.

[0032] (2) Furthermore, the first guide pipe can also be connected to a cleaning tank of a cleaning mechanism of a printing machine for cleaning the guide belt, so that water can be recycled and reused in the cleaning tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0034] Figure 1 A schematic structural diagram of a nozzle cleaning and moisturizing mechanism is provided for an embodiment of the utility model;

[0035] Figure 2 The embodiment of the utility model provides another visual structural diagram of a nozzle cleaning and moisturizing mechanism;

[0036] Figure 3 A schematic diagram of a partially exploded structure of a nozzle cleaning and moisturizing mechanism is provided for an embodiment of the utility model;

[0037] Figure 4 for Figure 1 Schematic diagram of the enlarged structure at A;

[0038] Figure 5 This is a schematic structural diagram of the scraper portion provided in an embodiment of the present utility model.

[0039] In the picture:

[0040] 1. Cleaning device; 11. Cleaning chamber; 12. Cleaning box; 13. Driving unit; 131. Active shaft; 132. Passive shaft; 133. Conveyor belt; 134. Driving motor; 135. Reducer; 14. Scraper blade mounting plate; 15. Scraper blade mounting seat; 151. Scraper blade mounting base; 152. Scraper blade mounting inclined seat; 1521. First inclined surface; 1522. First supporting surface; 1523. Second inclined surface; 1524. Second supporting surface; 16. Front scraper blade; 161. First scraper blade fixing plate; 17. Rear scraper blade; 171. Second scraper blade fixing plate;

[0041] 2. Moisturizing device; 21. Moisturizing chamber; 22. Moisturizing box; 23. Grid; 24. Support plate; 25. Silicone gasket;

[0042] 31. First flow conduit; 32. Second flow conduit; 33. Water solenoid valve; 34. Third flow conduit; 341. First manual valve; 35. Fourth flow conduit; 36. Fifth flow conduit; 361. Second manual valve;

[0043] 4. Fixed bracket. DETAILED DESCRIPTION

[0044] To make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present invention.

[0045] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0046] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0047] In the description of this embodiment, the terms "upper," "lower," "left," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0048] like Figures 1 to 5 As shown, an embodiment of the utility model provides a nozzle cleaning and moisturizing mechanism, comprising: a cleaning device 1, which includes a cleaning chamber 11; a moisturizing device 2, which includes a moisturizing chamber 21; wherein, a first guide tube 31 is provided at the bottom of the cleaning device 1, and one end of the first guide tube 31 is connected to the cleaning chamber 11; a second guide tube 32 is connected to the bottom of the moisturizing chamber 21, and the second guide tube 32 is connected to the moisturizing chamber 21. The top surface of the side where the second guide tube 32 is connected to the moisturizing chamber 21 is higher than the bottom surface of the moisturizing chamber 21, to ensure that water will not flow back after flowing out, the first guide tube 31 and the second guide tube 32 are connected, and a water solenoid valve 33 is also provided between the first guide tube 31 and the second guide tube 32.

[0049] Specifically, in the embodiment of the present invention, after the printing carriage has completed printing, it first moves to the top of the cleaning device 1. After the cleaning device 1 cleans the scraper of the nozzle, the water in the cleaning chamber 11 is connected through the first guide tube 31 and the second guide tube 32. The water is then transported to the moisturizing box 22 through the water solenoid valve 33 for secondary recycling to moisturize the environment, thereby reducing water waste and lowering printing costs. The first guide tube can also be connected to the cleaning tank of the cleaning mechanism of the printing machine for cleaning the guide belt, thereby recycling the water. The cleaning mechanism has been disclosed in patent CN219172021U and will not be repeated here. At the same time, the cleaning tank includes two U-shaped grooves, and water can also be reused between the two U-shaped grooves.

[0050] In some embodiments, as Figure 2 As shown, the bottom of the first guide pipe 31 is further connected to the third guide pipe 34, and the third guide pipe 34 is provided with a first manual valve 341. Specifically, since a large amount of water is used to clean the nozzle, excess water can be controlled by the first manual valve 341 and discharged from the third guide pipe.

[0051] In some embodiments, as Figure 2 As shown, the bottom of the moisturizing device 2 is further connected to a fourth guide tube 35, which is in communication with the moisturizing chamber 21. Specifically, when moisturizing is not required, the water in the moisturizing chamber 21 can be discharged from the fourth guide tube 35.

[0052] In some embodiments, as Figure 1 、 2As shown in Figures 4 and 5, the cleaning device 1 includes: a cleaning box 12, wherein the cleaning chamber 11 is disposed in the cleaning box 12; a driving unit 13, which is disposed in the cleaning box 12; a scraper unit, wherein the output of the driving unit 13 is connected to the scraper unit for scraping ink out of the nozzle. The driving unit 13 includes: a driving shaft 131, which is rotatably disposed on one side of the cleaning box 12; a driven shaft 132, which is rotatably disposed on the other side of the cleaning box 12; two sets of conveying belts 133, which are parallelly sleeved between the driving shaft 131 and the driven shaft 132, and a plurality of scraper units are disposed between the two sets of conveying belts 133; a driving motor 134, wherein a reducer 135 is disposed at its output end, and the reducer 135 is coaxially connected to the driving shaft 131. The scraper portion includes: a scraper mounting plate 14, two ends of which are connected to two groups of the conveyor belts 133 in a one-to-one manner; at least two groups of scraper mounting seats 15, which are arranged on the scraper mounting plate 14, and the scraper mounting seat 15 includes a scraper mounting base 151 and a scraper mounting inclined seat 152, and the front and rear sides of the scraper mounting inclined seat 152 are respectively provided with a front scraper 16 and a rear scraper 17, and the front side of the scraper mounting inclined seat 152 includes a first supporting surface 1522 and a first inclined surface 1521, the bottom surface of the front scraper 16 is in close contact with the first supporting surface 1522, and the side surface of the front scraper 16 is in close contact with the first supporting surface 1522. The front scraper 16 is attached to the first inclined surface 1521 and fixed to the front side of the scraper installation inclined seat 152 via a first scraper fixing plate 161. The rear side of the scraper installation inclined seat 152 includes a second supporting surface 1524 and a second inclined surface 1523. The bottom surface of the rear scraper 17 is in close contact with the second supporting surface 1524, and the side surface of the rear scraper 17 is in close contact with the second inclined surface 1523. The rear scraper 17 is fixed to the rear side of the scraper installation inclined seat 152 via a second scraper fixing plate 171. The top of the front scraper 16 is higher than the top of the rear scraper 17. Specifically, in the embodiment of the present invention, when the printing carriage moves above the cleaning box, the drive motor 134 drives the driving shaft 131 to rotate, which then drives the conveyor belt 133 to move. The conveyor belt 133 drives the scraper to move, and the scraper scrapes the ink on the nozzle. Furthermore, when scraping out the ink, a double scraper structure is adopted. The front scraper 16 first passes through the nozzle to complete one scraping of ink, and the rear scraper 17 passes through the nozzle again to complete a second scraping of ink. The two scrapers scrape the nozzle twice at a time, scraping off excess ink at one time, improving efficiency and eliminating the need for secondary scraping of ink.

[0053] In some embodiments, as Figure 3As shown, the moisturizing device 2 includes: a moisturizing box 22, the moisturizing cavity 21 is arranged in the moisturizing box 22, and a silicone gasket 25 is arranged around the top of the moisturizing box 22. Specifically, when the printing carriage moves above the paper moisturizing box 22, it is stuck in the moisturizing cavity 2121, and the silicone gasket 25 plays a role of sealing and buffering. Specifically, a support plate 24 is provided in the moisturizing box 22 and at the bottom of the moisturizing cavity 2121, and a grid 23 is placed on the support plate 24, and a plurality of moisturizing through holes are opened on the grid 23. The moisturizing moisture is transferred to the

[0054] In some embodiments, such as Figure 1 As shown, the embodiment of the utility model further includes a fixing frame 4 , and the cleaning device 1 and the moisturizing device 2 are arranged on the fixing frame 4 .

[0055] In some embodiments, such as Figure 2 As shown, the bottom of the cleaning box 12 is further connected to a fifth guide pipe 36, and a second manual valve 361 is provided on the fifth guide pipe 36. Specifically, the fifth guide pipe 36 is used to transport cleaning water into the cleaning box 12.

[0056] Note that the above are merely preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments, and substitutions are possible for those skilled in the art without departing from the scope of protection of the present invention. Therefore, while the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments and may include many other equivalent embodiments without departing from the scope of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A nozzle cleaning and moisturizing mechanism, characterized in that: include: A cleaning device (1) comprising a cleaning chamber (11); A moisturizing device (2), comprising a moisturizing chamber (21); The cleaning device (1) is provided with a first flow guide tube (31) at the bottom, one end of which is in communication with the cleaning chamber (11); the bottom of the moisturizing chamber (21) is connected with a second flow guide tube (32), the second flow guide tube (32) is in communication with the moisturizing chamber (21), the top end surface of the second flow guide tube (32) in communication with the moisturizing chamber (21) is higher than the bottom surface of the moisturizing chamber (21), the first flow guide tube (31) and the second flow guide tube (32) are in communication, and a water solenoid valve (33) is further provided between the first flow guide tube (31) and the second flow guide tube (32).

2. A nozzle cleaning and moisturizing mechanism according to claim 1, characterized in that: The bottom of the first flow guide pipe (31) is also connected to a third flow guide pipe (34), and a first manual valve (341) is provided on the third flow guide pipe (34).

3. A nozzle cleaning and moisturizing mechanism according to claim 1, characterized in that: The bottom of the moisturizing device (2) is further connected to a fourth flow guide tube (35), and the fourth flow guide tube (35) is in communication with the moisturizing chamber (21).

4. A nozzle cleaning and moisturizing mechanism according to any one of claims 1 to 3, characterized in that: The cleaning device (1) comprises: a cleaning box (12), wherein the cleaning chamber (11) is arranged in the cleaning box (12); A driving unit (13) is arranged in the cleaning box (12); The output of the driving unit (13) is connected to the scraping blade part, which is used to scrape out the ink from the nozzle.

5. A nozzle cleaning and moisturizing mechanism according to claim 4, characterized in that: The driving unit (13) includes: A driving shaft (131) is rotatably disposed on one side of the cleaning box (12); A driven shaft (132) is rotatably disposed on the other side of the cleaning box (12); Two groups of conveying belts (133) are sleeved in parallel between the driving shaft (131) and the driven shaft (132), and a plurality of scraper parts are arranged between the two groups of conveying belts (133); The driving motor (134) has a reducer (135) at its output end, and the reducer (135) is coaxially connected to the driving shaft (131).

6. A nozzle cleaning and moisturizing mechanism according to claim 5, characterized in that: The scraper portion includes: A scraper mounting plate (14), the two ends of which are connected one-to-one with the two groups of conveyor belts (133); At least two groups of scraper blade mounting seats (15) are arranged on the scraper blade mounting plate (14), the scraper blade mounting seats (15) include a scraper blade mounting base (151) and a scraper blade mounting inclined seat (152), the front side and the rear side of the scraper blade mounting inclined seat (152) are respectively provided with a front scraper blade (16) and a rear scraper blade (17), the front side of the scraper blade mounting inclined seat (152) includes a first supporting surface (1522) and a first inclined surface (1521), the bottom surface of the front scraper blade (16) is in close contact with the first supporting surface (1522), and the side surface of the front scraper blade (16) is in close contact with the first inclined surface (1521), through the first scraper blade The fixing plate (161) fixes the front scraper (16) to the front side of the scraper blade mounting inclined seat (152); the rear side of the scraper blade mounting inclined seat (152) includes a second supporting surface (1524) and a second inclined surface (1523); the bottom surface of the rear scraper (17) is in close contact with the second supporting surface (1524); the side surface of the rear scraper (17) is in close contact with the second inclined surface (1523); the rear scraper (17) is fixed to the rear side of the scraper blade mounting inclined seat (152) by a second scraper blade fixing plate (171); the height of the top of the front scraper (16) is higher than the height of the top of the rear scraper (17).

7. A nozzle cleaning and moisturizing mechanism according to any one of claims 1 to 3, characterized in that: The moisturizing device (2) comprises: A moisturizing box (22), wherein the moisturizing cavity (21) is arranged in the moisturizing box (22), and a silicone gasket (25) is arranged around the top of the moisturizing box (22).

8. The nozzle cleaning and moisturizing mechanism according to claim 7, characterized in that: A support plate (24) is provided in the moisturizing box (22) and at the bottom of the moisturizing cavity (21). A grid (23) is placed on the support plate (24). A plurality of moisturizing through holes are provided on the grid (23).

9. The nozzle cleaning and moisturizing mechanism according to claim 1, characterized in that: Also includes: A fixing frame (4), wherein the cleaning device (1) and the moisturizing device (2) are arranged on the fixing frame (4).

10. The nozzle cleaning and moisturizing mechanism according to claim 1, characterized in that: The bottom of the cleaning device (1) is also connected to a fifth flow guide pipe (36), and a second manual valve (361) is provided on the fifth flow guide pipe (36).

Images