Printing machine nozzle cleaning device and printing machine

Abstract

The utility model provides a printing machine nozzle cleaning device and a printing machine, and relates to the technical field of printing equipment, and the printing machine nozzle cleaning device comprises a mounting frame, a horizontal driving part, an overturning assembly and a cleaning assembly; the mounting rack has a mounting part; the horizontal driving piece is arranged on one side of the mounting part, and the horizontal driving piece is provided with a driving end moving in the horizontal direction; the overturning assembly comprises a horizontal transmission part and a rotating part, the horizontal transmission part is in transmission connection with the driving end, the rotating part is in transmission connection with the horizontal transmission part, and a rotating shaft of the rotating part is arranged on the mounting frame; the sweeping assembly is connected with the overturning assembly and comprises a sweeping piece, the sweeping piece extends in the horizontal direction, and the extending direction is perpendicular to the moving direction of the driving end. In the moving process of the nozzle, the cleaning piece can scrape all impurities such as cakes remaining at the nozzle, the thrust of the horizontal driving piece is far larger than that of the rotating air cylinder, the cleaning piece can be kept at the scraping position, and the situation that due to insufficient thrust, the position of a scraping piece is changed, and the nozzle is not cleaned thoroughly is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of printing equipment, and in particular, to a cleaning device for a printing machine nozzle and a printing machine. Background Art

[0002] A digital printing machine is a type of printing machine. When in use, a pattern is input into a computer in digital form, edited and processed by a computer printing color separation tracing system, and then the computer controls nozzles to spray ink droplets of various colors onto a printing medium to form a printed pattern.

[0003] Since the digital printing machine uses solvent-based ink with a relatively large volatility, the ink is easily dried, condensed, and caked on the nozzles, preventing the ink from smoothly spraying out of the nozzles, thus seriously affecting the printing quality. In addition, since the ink contains trace amounts of impurities, bubbles, etc., the nozzles may be blocked after long-term continuous use. If the nozzles are not cleaned in time, the inkjet trajectories of the nozzles will change, resulting in phenomena such as deviation, atomization, or even inability to spray.

[0004] In the prior art, a rotating cylinder is mostly used to drive a wiper to clean the nozzles. However, when the thrust of the rotating cylinder weakens, or when there is a large amount of caking after long-term use, the wiper is under excessive force during cleaning, and the thrust of the rotating cylinder is insufficient, easily causing the position of the wiper to deviate and unable to clean the nozzles thoroughly. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a cleaning device for a printing machine nozzle to alleviate the technical problem that in the prior art, when the thrust of the rotating cylinder weakens, or when there is a large amount of caking after long-term use, the rotating cylinder drives the wiper and cannot clean the nozzles thoroughly.

[0006] The cleaning device for a printing machine nozzle provided by the utility model includes a mounting frame, a horizontal driving member, a flipping assembly, and a cleaning assembly; the mounting frame has a mounting portion; the horizontal driving member is arranged on one side of the mounting portion, and the horizontal driving member has a driving end that moves in the horizontal direction; the flipping assembly includes a horizontal transmission member and a rotating member, the horizontal transmission member is in transmission connection with the driving end, the rotating member is in transmission connection with the horizontal transmission member, and the rotating shaft of the rotating member is arranged on the mounting frame; the cleaning assembly is connected to the flipping assembly, and the cleaning assembly includes a cleaning member, the cleaning member extends in the horizontal direction, and the extending direction is perpendicular to the moving direction of the driving end.

[0007] Further, the horizontal transmission member is a rack, and the rotating member is a gear; the extending direction of the rack is the same as the driving direction of the horizontal driving member; the gear meshes with the rack, the cleaning assembly is in transmission connection with the gear, and the cleaning member rotates following the gear.

[0008] Further, the flipping assembly further includes a moving frame; the horizontal driving member is a telescopic cylinder, and the moving end of the telescopic cylinder is connected to the moving frame; the moving frame has a sliding groove, and the moving frame is slidably engaged with the mounting frame through the sliding groove, and the rack is disposed on the moving frame.

[0009] Further, the cleaning assembly further includes a rotating shaft; the rotating shaft is coaxial with and connected to the gear, and the cleaning member is disposed on the rotating shaft.

[0010] Further, there are a plurality of the cleaning members; the plurality of cleaning members are spaced apart along the extending direction of the rotating shaft.

[0011] Further, the cleaning member includes a fixing portion and an elastic portion; the fixing portion is connected to the rotating shaft by a screw; the elastic portion is disposed at an end of the fixing portion away from the rotating shaft.

[0012] Further, an end of the elastic portion away from the fixing portion is an arc-shaped structure.

[0013] Further, the printing machine nozzle cleaning device further includes a water collecting member; the water collecting member is disposed on the mounting portion, the water collecting member has a water collecting groove, and a drain port is provided in the water collecting groove.

[0014] Further, an overflow port is provided in the water collecting groove; the overflow port is higher than the drain port.

[0015] Another object of the present invention is to provide a printing machine, including a printing nozzle and the provided printing machine nozzle cleaning device; the printing nozzle faces the material; the printing machine nozzle cleaning device is disposed below the printing nozzle, and the cleaning member of the printing machine nozzle cleaning device faces the printing nozzle.

[0016] Advantageous effects:

[0017] The printing machine nozzle cleaning device provided by the present invention includes a mounting frame, a horizontal driving member, a flipping assembly and a cleaning assembly; the mounting frame has a mounting portion; the horizontal driving member is disposed on one side of the mounting portion, and the horizontal driving member has a driving end that moves in the horizontal direction; the flipping assembly includes a horizontal transmission member and a rotating member, the horizontal transmission member is in transmission connection with the driving end, the rotating member is in transmission connection with the horizontal transmission member, and the rotating shaft of the rotating member is disposed on the mounting frame; the cleaning assembly is connected to the flipping assembly, the cleaning assembly includes a cleaning member, the cleaning member extends in the horizontal direction, and the extending direction is perpendicular to the moving direction of the driving end.

[0018] Specifically, the driving end of the horizontal driving member in the present utility model can move in the horizontal direction, thereby driving the horizontal transmission member to move horizontally. During the movement of the horizontal transmission member, the rotating member is pushed to rotate, thereby driving the cleaning assembly connected to the rotating member to act, and further causing the cleaning member to rotate together with the rotating member, enabling the cleaning member to perform a rotating action. When cleaning the nozzle, the horizontal driving member is driven so that the cleaning member rotates to the top to touch the nozzle and maintains this angle. During the movement of the nozzle, the cleaning member can scrape off all the residual lumps and other impurities at the nozzle. The thrust of the horizontal driving member is much greater than that of the rotary cylinder, which can keep the cleaning member in the scraping position and prevent the position of the scraping blade from changing due to insufficient thrust after long-term use, resulting in incomplete cleaning of the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 Structural schematic diagram of the printing machine nozzle cleaning device provided by the embodiment of the present utility model;

[0021] Figure 2 Schematic diagram of the positional relationship of the flipping assembly in the printing machine nozzle cleaning device provided by the embodiment of the present utility model;

[0022] Figure 3 Schematic diagram of the positional relationship between the printing machine nozzle cleaning device and the nozzle provided by the embodiment of the present utility model.

[0023] Reference numerals:

[0024] 100 - mounting bracket; 200 - horizontal driving member; 210 - driving end; 300 - flipping assembly; 310 - horizontal transmission member; 320 - rotating member; 330 - moving bracket; 400 - cleaning assembly; 410 - cleaning member; 420 - rotating shaft; 500 - water collecting member; 510 - drain port; 520 - overflow port; 600 - printing nozzle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. The components of the embodiments of the present utility model usually described and illustrated in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0027] It should be noted that similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0028] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0029] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0030] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0031] The following further describes the present utility model in detail through specific embodiments in conjunction with the accompanying drawings.

[0032] Referring to Figures 1 to 3 , the printing machine nozzle cleaning device provided in this embodiment includes a mounting frame 100, a horizontal driving member 200, a flipping assembly 300, and a cleaning assembly 400. The mounting frame 100 has a mounting portion. The horizontal driving member 200 is provided on one side of the mounting portion, and the horizontal driving member 200 has a driving end 210 that moves in the horizontal direction. The flipping assembly 300 includes a horizontal transmission member 310 and a rotating member 320. The horizontal transmission member 310 is in transmission connection with the driving end 210, the rotating member 320 is in transmission connection with the horizontal transmission member 310, and the rotating shaft of the rotating member 320 is provided on the mounting frame 100. The cleaning assembly 400 is connected to the flipping assembly 300. The cleaning assembly 400 includes a cleaning member 410. The cleaning member 410 extends in the horizontal direction, and the extending direction is perpendicular to the moving direction of the driving end 210.

[0033] Among them, the driving end 210 of the horizontal driving member 200 in this embodiment can move in the horizontal direction, thereby driving the horizontal transmission member 310 to move horizontally. During the movement of the horizontal transmission member 310, the rotating member 320 is pushed to rotate, thereby driving the cleaning assembly 400 connected to the rotating member 320 to act, and further enabling the cleaning member 410 to rotate together with the rotating member 320, so that the cleaning member 410 can perform a rotating action.

[0034] When cleaning the nozzle, drive the horizontal driving member 200 to rotate the cleaning member 410 to the top so that it can touch the nozzle, and keep the cleaning member 410 at this angle. During the movement of the nozzle, the cleaning member 410 can scrape off all the residual lumps and other impurities at the nozzle.

[0035] Since the thrust of the horizontal driving member 200 is much greater than that of the rotary cylinder, the cleaning member 410 in this embodiment can be stably maintained at the scraping position, avoiding the position change of the scraping blade due to insufficient thrust after long-term use and incomplete cleaning of the nozzle.

[0036] In this embodiment, the horizontal transmission member 310 is a rack, and the rotating member 320 is a gear. The extending direction of the rack is the same as the driving direction of the horizontal driving member 200. The gear meshes with the rack, the cleaning assembly 400 is in transmission connection with the gear, and the cleaning member 410 rotates with the gear.

[0037] After the gear and the rack are meshed, when the rack moves along the length direction, it can drive the gear to rotate, thereby realizing the rotation of the cleaning member 410, so that the end of the cleaning member 410 can move to a position where it can touch the nozzle.

[0038] In this embodiment, the flipping assembly 300 further includes a moving frame 330. The horizontal driving member 200 is a telescopic cylinder, and the moving end of the telescopic cylinder is connected to the moving frame 330. The moving frame 330 has a chute, and the moving frame 330 is slidably engaged with the mounting frame 100 through the chute, and the rack is provided on the moving frame 330.

[0039] Specifically, the moving frame 330 in this embodiment is used to mount the rack and connect to the moving end of the horizontal cylinder, so that the moving end of the horizontal cylinder can drive the rack to move together when performing a linear motion. The moving frame 330 is slidably engaged with the mounting frame 100, so that the rack can move together with the moving frame 330 and drive the gear to rotate.

[0040] In this embodiment, the cleaning assembly 400 further includes a rotating shaft 420. The rotating shaft 420 is coaxial and connected to the gear, and the cleaning member 410 is provided on the rotating shaft 420.

[0041] Among them, after being connected to the gear, the rotating shaft 420 can rotate together with the gear, thereby driving the cleaning member 410 to rotate.

[0042] In this embodiment, there are multiple cleaning members 410. The multiple cleaning members 410 are arranged at intervals along the extending direction of the rotating shaft 420.

[0043] The multiple cleaning members 410 can clean multiple nozzles simultaneously. The number of the cleaning members 410 can be adjusted according to the number of nozzles of the printing machine to achieve the cleaning of all nozzles of the printing machine.

[0044] Specifically, the multiple cleaning members 410 in this embodiment are arranged at intervals along the same straight line on the rotating shaft 420, so that multiple nozzles can be cleaned simultaneously during cleaning, and there is no need to drive the rotating shaft 420 to rotate again to adjust the positions of the respective cleaning members 410.

[0045] In this embodiment, the cleaning member 410 includes a fixing portion and an elastic portion. The fixing portion is connected to the rotating shaft 420 by screws. The elastic portion is provided at one end of the fixing portion away from the rotating shaft 420.

[0046] Among them, the fixing portion in this embodiment is made of a brittle material, and the elastic portion is made of a plastic material. Specifically, the fixing portion is stainless steel, and the elastic portion is polyurethane. The stainless steel fixing portion can achieve a firm connection with the rotating shaft 420, and polyurethane itself has excellent elasticity, which can avoid scratching the nozzles when scraping off lumps and impurities.

[0047] In this embodiment, the end of the elastic portion away from the fixing portion is an arc structure.

[0048] Specifically, one end of the arc-shaped structure away from the fixing part extends outward in the initial direction away from the nozzle. In this structure, when the nozzle contacts the elastic part, the arc-shaped structure can increase the contact area, avoiding scratches on the nozzle caused by too small a force-bearing area during contact.

[0049] In this embodiment, the printing machine nozzle cleaning device further includes a water collecting member 500. The water collecting member 500 is arranged on the installation part. The water collecting member 500 has a water collecting tank, and a drain port 510 is arranged in the water collecting tank.

[0050] Since the nozzle often passes through processes such as water washing and spraying before scraping, the nozzle often has moisture. During scraping, a small amount of moisture is also required at the contact between the cleaning member 410 and the nozzle to make the lumps softer. The water collecting member 500 can collect the moisture scraped off the nozzle by the cleaning member 410 in the water collecting tank. In addition, before scraping and cleaning, the cleaning member 410 can rotate into the water collecting tank to pick up a small amount of moisture for scraping use.

[0051] Among them, the drain port 510 in the water collecting tank can discharge the accumulated water when the water in the water collecting tank is too turbid, so as to ensure that impurities will not be brought to the nozzle during scraping, causing secondary blockage.

[0052] And, in this embodiment, an overflow port 520 is arranged in the water collecting tank. The overflow port 520 is higher than the drain port 510.

[0053] The overflow port 520 can prevent the accumulated water in the water collecting tank from overflowing the water collecting tank. When the amount of accumulated water is too large, the accumulated water can flow out from the overflow port.

[0054] The printing machine provided in this embodiment includes a printing nozzle 600 and the provided printing machine nozzle cleaning device. The printing nozzle 600 faces the material. The printing machine nozzle cleaning device is arranged below the printing nozzle 600, and the cleaning member 410 of the printing machine nozzle cleaning device faces the printing nozzle 600.

[0055] Among them, the nozzle of the printing machine is located above the printing machine nozzle cleaning device. During cleaning, the nozzle of the printing machine moves horizontally closer to the cleaning member 410. At the same time, the horizontal driving member 200 in the printing machine nozzle cleaning device drives the cleaning member 410 to rotate through the flipping assembly 300 so that the end of the cleaning member 410 can touch and scrape the lumps and impurities at the nozzle. Since the thrust of the horizontal driving member 200 is much greater than that of the rotary cylinder, the cleaning member 410 in this embodiment can stably maintain the scraping position, avoiding the position change of the scraping blade and unclean nozzle cleaning due to insufficient thrust after long-term use.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A printing machine nozzle cleaning device, characterized in that: include: A mounting frame (100), a horizontal driving member (200), a turning assembly (300) and a cleaning assembly (400); The mounting frame (100) has a mounting portion; The horizontal driving member (200) is arranged on one side of the mounting portion, and the horizontal driving member (200) has a driving end (210) that moves in a horizontal direction; The flip assembly (300) comprises a horizontal transmission member (310) and a rotating member (320), wherein the horizontal transmission member (310) is transmission-connected to the driving end (210), and the rotating member (320) is transmission-connected to the horizontal transmission member (310), and the rotating shaft of the rotating member (320) is arranged on the mounting frame (100); The cleaning component (400) is connected to the flip component (300), and the cleaning component (400) comprises a cleaning member (410). The cleaning member (410) extends in a horizontal direction, and the extension direction is perpendicular to the moving direction of the driving end (210).

2. The printing machine nozzle cleaning device according to claim 1, characterized in that: The horizontal transmission member (310) is a rack, and the rotating member (320) is a gear; The extending direction of the rack is the same as the driving direction of the horizontal driving member (200); The gear is meshed with the rack, the cleaning assembly (400) is transmission-connected with the gear, and the cleaning member (410) rotates following the gear.

3. The printing machine nozzle cleaning device according to claim 2, characterized in that: The flip assembly (300) further includes a moving frame (330); The horizontal driving member (200) is a telescopic cylinder, and the moving end of the telescopic cylinder is connected to the moving frame (330); The movable frame (330) has a slide groove, and the movable frame (330) is slidably matched with the mounting frame (100) through the slide groove, and the rack is arranged on the movable frame (330).

4. The printing machine nozzle cleaning device according to claim 2, characterized in that: The cleaning assembly (400) further includes a rotating shaft (420); The rotating shaft (420) is coaxial with and connected to the gear, and the cleaning member (410) is arranged on the rotating shaft (420).

5. The printing machine nozzle cleaning device according to claim 4, characterized in that: There are multiple cleaning members (410); The plurality of cleaning members (410) are arranged at intervals along the extension direction of the rotating shaft (420).

6. The printing machine nozzle cleaning device according to claim 4, characterized in that: The cleaning member (410) comprises a fixing portion and an elastic portion; The fixing portion is connected to the rotating shaft (420) via screws; The elastic portion is arranged at an end of the fixing portion away from the rotating shaft (420).

7. The printing machine nozzle cleaning device according to claim 6, characterized in that: One end of the elastic portion away from the fixing portion is an arc-shaped structure.

8. The printing machine nozzle cleaning device according to any one of claims 1 to 7, characterized in that: The printing machine nozzle cleaning device also includes a water collecting member (500); The water collecting member (500) is arranged on the installation portion, and the water collecting member (500) has a water collecting groove, and a drainage port (510) is arranged in the water collecting groove.

9. The printing machine nozzle cleaning device according to claim 8, characterized in that: An overflow port (520) is provided in the water collection tank; The overflow port (520) is higher than the drain port (510).

10. A printing machine, characterized in that: It comprises a printing nozzle and a printing machine nozzle cleaning device as claimed in any one of claims 1 to 9; The printing nozzle (600) is directed toward the material; The printing machine nozzle cleaning device is arranged below the printing nozzle, and the cleaning member (410) of the printing machine nozzle cleaning device faces the printing nozzle (600).

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