CN213861414U - Mechanism is maintained to shower nozzle module and has its printing apparatus - Google Patents

Abstract

The application relates to a nozzle module maintenance mechanism and printing equipment with the same, wherein the nozzle module maintenance mechanism comprises a fixed frame, a driving device, a telescopic device and a receiving box, wherein the fixed frame is suitable for being fixedly installed at the bottom of a nozzle module installation support; the driving device is fixedly arranged on the fixed frame, the telescopic device is fixed at the driving end of the driving device, the telescopic device is horizontally arranged, the driving device drives the telescopic end of the telescopic device to stretch, and the telescopic end of the telescopic device is suitable for stretching towards one side below the sprayer module; the receiving box is fixedly installed on the telescopic end of the telescopic device, and an opening facing a printing nozzle in the nozzle module is formed in the top of the receiving box. The sprayer cleaning and maintaining device has the advantages of simple and rapid action, capability of rapidly completing the sprayer cleaning and maintaining operation, greatly reducing the time for cleaning and maintaining the sprayer, improving the production efficiency of equipment, and no need of manual assistance due to the adoption of an automatic structure.

Description

Mechanism is maintained to shower nozzle module and has its printing apparatus

Technical Field

The utility model relates to a printing apparatus field especially relates to a shower nozzle module maintenance mechanism and have its printing apparatus.

Background

In the field of code spraying and printing, whether an industrial code spraying printer can work stably for a long time or not directly influences the economic benefit of printing production enterprises. Therefore, how to improve the working efficiency of the printing device is always a constant topic pursued by printer manufacturers. The method for improving the working efficiency of the code spraying printer is more, for example, a faster and more efficient spray head is adopted, the automation degree of the printer is improved, software is optimized to reduce bug, and the shutdown maintenance and auxiliary time are shortened. At present, with the general improvement of the research and development level of code spraying printer production enterprises, the upgrading potentials of product software, automation degree and the like are nearly excavated. Therefore, in addition to adopting a more efficient spray head technology, how to quickly perform daily maintenance on the spray head of the code spraying printer, shorten the maintenance time and improve the automation degree of spray head maintenance becomes the main direction for printer manufacturers to exert force. To solve the problem, most of the current methods still remain in the manual auxiliary cleaning of the spray heads or the automatic cleaning of the spray heads by moving the whole spray head module out of the printing operation area (the spray head cleaning mechanism is installed outside the printing area) no matter whether the ONEPASS code-spraying printing equipment or the multiple PASS code-spraying printing equipment is adopted. The cleaning operation of the spray head in the mode usually needs to be carried out for a long time, so that the production efficiency of the equipment is greatly reduced. In particular, in applications (such as industrial inkjet printers) where multiple independent nozzle modules are mounted on a single horizontal transmission assembly, the problem of daily cleaning of the nozzles is more pronounced. Mainstream equipment in the industry still stays in a semi-automatic state, the spray head needs to be cleaned through manual cooperation, and application experience is poor.

Disclosure of Invention

In view of this, the present disclosure provides a nozzle module maintenance mechanism and a printing apparatus having the same, which has simple and rapid actions, and can rapidly complete cleaning and maintenance operations of a nozzle, thereby greatly reducing cleaning and maintenance time of the nozzle, improving production efficiency of the apparatus, and adopting an automatic structure without manual assistance.

According to one aspect of the disclosure, a sprayer module maintenance mechanism is provided, which comprises a fixing frame, a driving device, a telescopic device and a receiving box, wherein the fixing frame is suitable for being fixedly installed at the bottom of a sprayer module installation support;

the driving device is fixedly arranged on the fixed frame, the telescopic device is fixed at the driving end of the driving device, the telescopic device is horizontally arranged, the driving device drives the telescopic end of the telescopic device to stretch, and the telescopic end of the telescopic device is suitable for stretching towards one side below the sprayer module;

the receiving box is fixedly installed on the telescopic end of the telescopic device, and an opening facing a printing nozzle in the nozzle module is formed in the top of the receiving box.

In a possible implementation mode, the device further comprises an ink storage box and a waste discharge pipe;

the ink storage box is fixedly arranged at the bottom of the fixing frame, the driving device is fixedly arranged at the top of the fixing frame, the ink storage box is positioned below the receiving box, an opening is formed in the top of the ink storage box, and an ink storage cavity is formed in the ink storage box;

the waste discharge pipe is fixed on the receiving box, one end of the waste discharge pipe is communicated with the receiving box, and the other end of the waste discharge pipe is communicated with the ink storage cavity of the ink storage box.

In a possible implementation manner, the ink storage box further comprises a waste cleaning pipe and a waste cleaning pipe, wherein one end of the waste cleaning pipe is communicated with the ink storage cavity of the ink storage box.

In a possible implementation mode, the device further comprises a waste ink discharging pump, the fixed frame is box-shaped, an opening is formed in the side wall of one side of the fixed frame, and the opening in the fixed frame is arranged on one side of the telescopic end of the telescopic device;

the ink storage box is fixed with the inner wall of the bottom of the fixing frame;

the waste ink discharging pump is arranged on one side of the ink storage box, which is far away from the receiving box, and the other end of the waste cleaning pipe is communicated with the waste ink discharging pump;

the waste discharge pipe is arranged on one side of the ink storage box, which is adjacent to the receiving box.

In a possible implementation manner, a sealing ring is arranged at the top opening of the receiving box, and the sealing ring is circumferentially arranged along the top opening of the receiving box.

In a possible implementation manner, a throttle valve or a stop valve is arranged in the waste discharge pipe.

In one possible implementation, the telescopic device comprises a mounting frame and a telescopic piece;

the top of mount is equipped with the perforation, the mounting bracket is applicable to and passes the perforation with shower nozzle module installing support fixed connection, the extensible member level is fixed on the mounting bracket, receive box fixed mounting be in the flexible of extensible member is served.

In a possible implementation manner, the telescopic part is any one of an air cylinder, a telescopic motor, a hydraulic cylinder or an electric push rod.

In a possible implementation manner, an active cleaning mechanism and a negative pressure cleaning mechanism are arranged inside a cavity of the receiving box;

the active cleaning mechanism and the negative pressure cleaning mechanism are both arranged adjacent to the top opening of the receiving box.

According to another aspect of the present disclosure, there is provided a printing apparatus including the head module maintenance mechanism of any one of the above.

The shower nozzle module of this application embodiment is maintained the mechanism and is passed through mount fixed mounting in the below of shower nozzle module installing support, can follow the holistic horizontal migration of shower nozzle module. When the shower nozzle module needs to be cleaned and maintained, the shower nozzle module is maintained and operated to be opened, the driving device is opened, the telescopic device is driven to stretch out, the receiving box is driven by the telescopic device to pop out the shower nozzle module mounting bracket and extend to the lower part of the shower nozzle module. At this time, the nozzle in the nozzle module performs a series of cleaning actions such as ink pressing and flash spraying, and the ink sprayed by the nozzle module flows into the cavity of the receiving box through the opening above the receiving box. When the sprayer maintenance operation is completed, the driving device drives the telescopic device to retract, and the receiving box retracts to the lower part of the sprayer module mounting bracket under the driving of the telescopic device, so that the sprayer module is cleaned and maintained. The mechanism is maintained to the shower nozzle module to the theory of operation of inkjet printer shower nozzle to this application embodiment, and it is pointed to maintain the mechanism setting at the position nearer apart from the shower nozzle with this application embodiment shower nozzle module, when inkjet printer shower nozzle need carry out routine maintenance, only need simple flow can accomplish automatically and maintain the preparation work, and this application embodiment shower nozzle module is maintained the mechanism and can cooperate subsequent pressure china ink of shower nozzle, flash and spout a series of waste discharge actions such as. To sum up, the shower nozzle module of this application embodiment is maintained the mechanism and is maintained, the in-process of cleaning operation at the cooperation shower nozzle, and the completion shower nozzle that the action is simple rapid, can be quick is clean, is maintained the operation, by a wide margin has reduced the shower nozzle and has washd, maintained the time, has improved equipment production efficiency, and adopts automatic structure, need not artifical supplementary.

Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.

FIG. 1 illustrates an interior view of a pod cartridge of a showerhead module maintenance mechanism of an embodiment of the present disclosure after extension;

FIG. 2 illustrates an interior view of a receiver box of a showerhead module maintenance mechanism of an embodiment of the present disclosure after retraction;

FIG. 3 illustrates an assembly body structure view of a showerhead module maintenance mechanism according to an embodiment of the present disclosure;

FIG. 4 illustrates an assembled front view of a showerhead module maintenance mechanism according to an embodiment of the present disclosure;

FIG. 5 illustrates a left side view of a retracted receiver cassette of a showerhead module maintenance mechanism of an embodiment of the present disclosure;

FIG. 6 illustrates a left side view of a pod cartridge of a showerhead module maintenance mechanism of an embodiment of the present disclosure after extension;

FIG. 7 illustrates an isometric view of a retracted receiver cartridge of a showerhead module maintenance mechanism of an embodiment of the present disclosure;

FIG. 8 is an isometric view of a pod cartridge of a showerhead module maintenance mechanism of an embodiment of the present disclosure after extension;

FIG. 9 is a position diagram of a showerhead module maintenance mechanism according to an embodiment of the present disclosure with a receptacle extended;

FIG. 10 is a diagram illustrating the position of a pod cartridge and a showerhead module after retraction of a pod cartridge of a showerhead module maintenance mechanism according to an embodiment of the present disclosure;

FIG. 11 is a block diagram of a receiving box with a seal ring of a showerhead module maintenance mechanism according to an embodiment of the present disclosure;

fig. 12 is a view showing a structure of a receiving cassette provided with an active cleaning mechanism and a negative pressure cleaning mechanism of a head module maintenance mechanism according to an embodiment of the present disclosure.

Detailed Description

Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention or for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.

Fig. 1 shows an internal view of a receiving box of a showerhead module maintenance mechanism according to an embodiment of the present disclosure after being extended. Fig. 2 shows an internal view of a retracted receiver cassette of a showerhead module maintenance mechanism according to an embodiment of the present disclosure. Fig. 3 shows an assembly body structure diagram of a head module maintenance mechanism according to an embodiment of the present disclosure. FIG. 4 illustrates an assembled front view of a showerhead module maintenance mechanism according to an embodiment of the present disclosure. FIG. 5 illustrates a left side view of a retracted pod of a showerhead module maintenance mechanism of an embodiment of the present disclosure. Fig. 6 illustrates a left side view of an extended receiver cassette of a showerhead module maintenance mechanism of an embodiment of the present disclosure. FIG. 7 illustrates an isometric view of a retracted receiver cartridge of a showerhead module maintenance mechanism of an embodiment of the present disclosure. FIG. 8 illustrates an isometric view of a pod cartridge of a showerhead module maintenance mechanism of an embodiment of the present disclosure after extension. Fig. 9 is a position diagram of a receiving box of a showerhead module maintenance mechanism according to an embodiment of the present disclosure after being extended and a showerhead module. FIG. 10 is a schematic diagram illustrating the position of a receiver cassette of a showerhead module maintenance mechanism according to an embodiment of the present disclosure after retraction. Fig. 11 is a structural view showing a receiving box provided with a seal ring of the head module maintenance mechanism according to the embodiment of the present disclosure. Fig. 12 is a view showing a structure of a receiving cassette provided with an active cleaning mechanism and a negative pressure cleaning mechanism of a head module maintenance mechanism according to an embodiment of the present disclosure. As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10, the showerhead module maintenance mechanism includes: mount 100, drive arrangement, telescoping device 200 and receiving box 300, wherein, mount 100 is used for fixed mounting in the bottom of shower nozzle module installing support 700, and drive arrangement fixed mounting is on mount 100, and telescoping device 200 fixed mounting is at drive arrangement's drive end, and telescoping device 200 level sets up, and drive arrangement drive telescoping device 200's flexible end is flexible, and the flexible end of telescoping device 200 stretches out and draws back towards the below one side of shower nozzle module. The receiving box 300 is fixedly installed on the telescopic end of the telescopic device 200, and the top of the receiving box 300 is provided with an opening facing the print head in the head module, so that the waste ink discharged from the head in the head module flows into the cavity of the receiving box 300 through the opening on the top of the receiving box 300. Here, it should be noted that the telescopic stroke of the telescopic device 200 is set by the distance from the fixing position of the telescopic device 200 to the head mounted in the head module.

The shower nozzle module of this application embodiment maintains the mechanism and passes through mount 100 fixed mounting in the below of shower nozzle module installing support 700, can follow the holistic horizontal migration of shower nozzle module. When the sprayer module needs to be cleaned and maintained, the sprayer module is maintained and opened, the driving device is opened, the telescopic device 200 is driven to extend, and the receiving box 300 is driven by the telescopic device 200 to pop out the sprayer module mounting bracket 700 and extend to the lower part of the sprayer module. At this time, the head of the head module performs a series of cleaning operations such as ink pressing and flash, and the ink ejected from the head module flows into the cavity of the receiving box 300 through the opening above the receiving box 300. After the shower head maintenance operation is completed, the driving device drives the telescopic device 200 to retract, and the receiving box 300 is driven by the telescopic device 200 to retract to the lower part of the shower head module mounting bracket 700, so as to complete the cleaning and maintenance of the shower head module. The mechanism is maintained to the shower nozzle module to the theory of operation of inkjet printer shower nozzle to this application embodiment, and it is pointed to maintain the mechanism setting at the position nearer apart from the shower nozzle with this application embodiment shower nozzle module, when inkjet printer shower nozzle need carry out routine maintenance, only need simple flow can accomplish automatically and maintain the preparation work, and this application embodiment shower nozzle module is maintained the mechanism and can cooperate subsequent pressure china ink of shower nozzle, flash and spout a series of waste discharge actions such as. To sum up, the shower nozzle module of this application embodiment is maintained the mechanism and is maintained, the in-process of cleaning operation at the cooperation shower nozzle, and the completion shower nozzle that the action is simple rapid, can be quick is clean, is maintained the operation, by a wide margin has reduced the shower nozzle and has washd, maintained the time, has improved equipment production efficiency, and adopts automatic structure, need not artifical supplementary.

In a possible implementation manner, the maintenance mechanism of the nozzle module in the embodiment of the present application further includes an ink storage box 400 and a waste discharge pipe 500, the ink storage box 400 is fixedly installed at the bottom of the fixing frame 100, the driving device is fixedly installed at the top of the fixing frame 100, so that the telescopic device 200 is located above the ink storage box 400, the receiving box 300 is located above the ink storage box 400, an opening is formed in the top of the ink storage box 400, and an ink storage cavity is formed inside the ink storage box 400. The waste discharge pipe 500 is fixed on the receiving box 300, one end of the waste discharge pipe 500 is communicated with the receiving box 300, the other end of the waste discharge pipe 500 extends into the ink storage cavity of the ink storage box 400, and the waste discharge pipe 500 is communicated with the ink storage cavity of the ink storage box 400, so that waste ink in the receiving box 300 can flow into the ink storage cavity of the ink storage box 400 through the waste discharge pipe 500.

The volume of the waste ink carrying the head module can be increased by the arrangement of the ink storage box 400, and when the receiving box 300 receives the waste ink flowing out from the head, the waste ink flows into the ink storage cavity of the ink storage box 400 through the waste discharge pipe 500, so that the cavity for storing the waste ink is increased by arranging the ink storage box 400.

Furthermore, in a possible implementation manner, the maintenance mechanism of the nozzle module in the embodiment of the present application further includes a waste cleaning pipe 600, and one end of the waste cleaning pipe 600 extends into the ink storage cavity of the ink storage box 400, so that the waste cleaning pipe 600 is communicated with the ink storage cavity of the ink storage box 400.

Furthermore, in a possible implementation manner, the maintenance mechanism for the nozzle module in the embodiment of the present application further includes a waste ink discharging pump, the fixing frame 100 is box-shaped, an opening is formed on a side wall of one side of the fixing frame 100, the opening of the fixing frame 100 is disposed on one side of the telescopic end of the telescopic device 200, and the ink storage box 400 is fixedly mounted on an inner wall of the bottom of the fixing frame 100. The waste ink discharging pump is arranged on one side, far away from the receiving box, of the ink storage box, the other end of the waste cleaning pipe is communicated with the waste ink discharging pump, and the waste discharging pipe is arranged on one side, close to the receiving box, of the ink storage box.

Here, it should be noted that the waste discharge pipe 500 is provided adjacent to the bottom of the receiving box 300, whereby the waste ink discharged from the head can be made to flow into the ink tank 400 through the waste discharge pipe 500 in good time, preventing excessive waste ink from accumulating in the receiving box 300, and causing the waste ink in the ink tank 400 to be discharged from the waste discharge pipe 600 by using the waste discharge pump. Therefore, the storage space of waste ink is further increased, the waste ink can be stored in the storage space to be infinite, and therefore the nozzle module maintenance mechanism is further automated.

In another possible implementation manner, a through hole is formed in a side wall of the ink tank 400, the through hole is matched with the waste cleaning pipe 600, and the other end of the waste cleaning pipe 600 can penetrate through the through hole, so that waste ink in the ink tank 400 is freely discharged under the action of gravity.

Here, it should be noted that the waste discharge pipe 500 and the waste cleaning pipe 600 are both flexible pipes, and the waste discharge pipe 500 and the waste cleaning pipe 600 are both disposed in an "L" shape. Here, it should also be noted that the waste pipe 500 and the waste pipe 600 may also be "L" shaped hard pipes.

Here, it should also be noted that the fixing frame 100 is in the shape of an "L" box, and an "L" cavity matching the external shape of the fixing frame 100 is provided inside the fixing frame 100. And the volume of the bottom cavity of the mount 100 is smaller than the volume of the top cavity of the mount 100, here, it should be noted that the top cavity of the mount 100 is the mounting cavity. Here, it should also be noted that the waste ink pump may be fixedly installed inside the mounting chamber, and the waste ink pump may also be fixedly installed outside the mounting chamber. Here, it should also be noted that the side of the holder 100 away from the receiving box 300 is provided with a cut edge, and the cut edge is located at the bottom of the side of the holder 100 away from the receiving box 300. Thereby, the structure of the fixing frame 100 is more matched with that of the printing apparatus.

In one possible implementation manner, the telescopic device 200 includes a telescopic member 210 and a mounting bracket 220, a through hole is formed at the top of the fixing frame 100, the mounting bracket 220 passes through the through hole to be fixedly connected with the spray head module mounting bracket 700, the telescopic member 210 is horizontally and fixedly mounted on the mounting bracket 220, and the receiving box 300 is fixedly mounted on the telescopic end of the telescopic member 210.

In one possible implementation, the telescopic member 210 is any one of a cylinder, a telescopic motor, a hydraulic cylinder, or an electric push rod. Here, it should be noted that the mounting bracket 220 includes a first mounting post 221 and a second mounting post 222, the first mounting post 221 and the second mounting post 222 are both vertically fixed at the bottom of the nozzle module mounting bracket 700, and a first mounting hole is opened on the first mounting post 221 and the second mounting post 222, a second mounting hole is opened on the second mounting post 222, the first mounting hole and the second mounting hole are coaxially disposed, and the expansion piece sequentially passes through the first mounting hole and the second mounting hole, so that the expansion piece 210 is fixed with both the first mounting post 221 and the second mounting post 222.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12, in one possible implementation, a sealing ring 310 is disposed at the top opening of the receiving box 300, and the sealing ring 310 is disposed along the circumference of the top opening of the receiving box 300. Here, it should be noted that the sealing ring 310 is a cushion sealing rubber ring. Therefore, the receiving box 300 is prevented from being accidentally contacted with the spray head bottom plate as much as possible, and faults such as damage/alarm of the telescopic piece or the spray head module are avoided. In addition, since the head needs to be in a surface wet state for a long period of time, it is necessary that the head surface be in a moisture-retaining external condition when the printer is in a shutdown state. The bottom plate of the nozzle module is in light contact with the buffer sealing rubber ring on the receiving box 300, and the ink or the moisturizing liquid remained in the receiving box 300 can create a wetting condition for moisturizing the nozzle.

Further, in a possible implementation manner, a throttle valve or a stop valve is installed on the waste discharge pipe 500, so that the internal cavity of the receiving box 300 can be further closed by closing the throttle valve or the stop valve, and a better moisturizing effect of the spray head can be achieved.

In one possible implementation manner, the active cleaning mechanism 320 and the negative pressure cleaning mechanism 330 are disposed inside the cavity of the receiving box 300, the active cleaning mechanism 320 and the negative pressure cleaning mechanism 330 are both disposed adjacent to the top opening of the receiving box 300, the active cleaning mechanism 320 is disposed adjacent to the telescopic device 200, and the negative pressure cleaning mechanism 330 is disposed away from the telescopic device 200. The active cleaning mechanism 320 and the negative pressure cleaning mechanism 330 are disposed inside the receiving box 300, and the active cleaning operation for the surface of the nozzle can be completed by the cooperation of the telescopic action of the telescopic device 200. That is, the retractable device 200 pushes the receiving box 300 to the lower side of the head module, the active cleaning mechanism 320 sprays the head cleaning liquid upward to attach to the surface of the head, and when the retractable device 200 is retracted, the negative pressure cleaning mechanism 330 operates to recover the cleaning liquid on the surface of the head. Here, it should be noted that the active cleaning mechanism 320 and the negative pressure cleaning mechanism 330 are conventional technical means for those skilled in the art, and are not described herein. Here, it should be further noted that the top of the receiving box 300 is disposed adjacent to the nozzle module, so that the receiving box 300 is nearly in contact with the nozzle module when extending out, and the contamination of the outside caused by splashing, volatilization and other factors during the nozzle cleaning operation is avoided.

Here, it should also be noted that active cleaning mechanism 320 may also be located remotely from telescoping device 200 and negative cleaning mechanism 330 located adjacent telescoping device 200, which allows telescoping device 200 to perform cleaning of the spray head during extension.

Based on any preceding shower nozzle module maintenance mechanism, this disclosure still provides a printing apparatus. The printing equipment of the embodiment of the disclosure comprises the nozzle module maintenance mechanism. Through with any preceding shower nozzle module maintenance mechanism install in printing apparatus on shower nozzle module installing support 700, when carrying out the maintenance, the washing of shower nozzle, can reduce shower nozzle washing maintenance time by a wide margin, improve equipment production efficiency, and full-automatic structure breaks away from artificial intervention, liberates the manual work.

Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A sprayer module maintenance mechanism is characterized by comprising a fixing frame, a driving device, a telescopic device and a receiving box, wherein the fixing frame is suitable for being fixedly installed at the bottom of a sprayer module installing support;

the driving device is fixedly arranged on the fixed frame, the telescopic device is fixed at the driving end of the driving device, the telescopic device is horizontally arranged, the driving device drives the telescopic end of the telescopic device to stretch, and the telescopic end of the telescopic device is suitable for stretching towards one side below the sprayer module;

the receiving box is fixedly installed on the telescopic end of the telescopic device, and an opening facing a printing nozzle in the nozzle module is formed in the top of the receiving box.

2. The showerhead module maintenance mechanism of claim 1, further comprising an ink reservoir and a waste drain;

the ink storage box is fixedly arranged at the bottom of the fixing frame, the driving device is fixedly arranged at the top of the fixing frame, the ink storage box is positioned below the receiving box, an opening is formed in the top of the ink storage box, and an ink storage cavity is formed in the ink storage box;

the waste discharge pipe is fixed on the receiving box, one end of the waste discharge pipe is communicated with the receiving box, and the other end of the waste discharge pipe is communicated with the ink storage cavity of the ink storage box.

3. The showerhead module maintenance mechanism of claim 2, further comprising a purge tube, one end of which communicates with the ink storage chamber of the ink reservoir.

4. The maintenance mechanism for the nozzle module according to claim 3, further comprising a waste ink pump, wherein the fixing frame is box-shaped, an opening is formed in a side wall of one side of the fixing frame, and the opening in the fixing frame is arranged at one side of the telescopic end of the telescopic device;

the ink storage box is fixed with the inner wall of the bottom of the fixing frame;

the waste ink discharging pump is arranged on one side of the ink storage box, which is far away from the receiving box, and the other end of the waste cleaning pipe is communicated with the waste ink discharging pump;

the waste discharge pipe is arranged on one side of the ink storage box, which is adjacent to the receiving box.

5. The spray head module maintenance mechanism of any one of claims 1 to 4, wherein a sealing ring is provided at the top opening of the receiving box, and the sealing ring is circumferentially provided along the top opening of the receiving box.

6. The spray head module maintenance mechanism of claim 2, wherein a throttle or a stop valve is provided in the waste pipe.

7. The spray head module maintenance mechanism of claim 2, wherein the telescoping device comprises a mounting bracket and a telescoping member;

the top of mount is equipped with the perforation, the mounting bracket is applicable to and passes the perforation with shower nozzle module installing support fixed connection, the extensible member level is fixed on the mounting bracket, receive box fixed mounting be in the flexible of extensible member is served.

8. The spray head module maintenance mechanism of claim 7, wherein the telescopic member is any one of a cylinder, a telescopic motor, a hydraulic cylinder, or an electric push rod.

9. The spray head module maintenance mechanism of claim 1, wherein an active cleaning mechanism and a negative pressure cleaning mechanism are disposed inside the cavity of the receiving box;

the active cleaning mechanism and the negative pressure cleaning mechanism are both arranged adjacent to the top opening of the receiving box.

10. A printing apparatus comprising the head module maintenance mechanism of any one of claims 1 to 9.

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