CN220720631U

CN220720631U - Printing ink jet printing device with automatic cleaning spray head

Info

Publication number: CN220720631U
Application number: CN202322182615.8U
Authority: CN
Inventors: 王立军; 胡峰; 李广
Original assignee: Shenzhen Bisheng Jingyi Technology Co ltd
Current assignee: Shenzhen Bisheng Jingyi Technology Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-04-05
Anticipated expiration: 2033-08-11

Abstract

The utility model discloses an ink jet printing device with an automatic cleaning spray head, which comprises a machine base, an objective table arranged on the machine base, a jet printing mechanism and a cleaning mechanism, wherein the objective table is used for placing products, the objective table is horizontally arranged at intervals with the cleaning mechanism, the jet printing mechanism comprises a driving component and a spray head component, the spray head component is used for performing ink jet printing on the products placed on the objective table, the driving component is used for driving the spray head component to move between the cleaning mechanism and the objective table, the cleaning mechanism comprises a cleaning head component and a filtering and recycling component which are horizontally arranged at intervals, and the filtering and recycling component is used for filtering and recycling the ink sprayed by the spray head component and supplying the ink to the spray head component for recycling. The automatic cleaning ink jet printing device for the spray head realizes automatic jet printing, cleaning of the spray head assembly and recycling of ink materials through the cooperation of the objective table, the jet printing mechanism and the cleaning mechanism which are arranged on the machine base, has high efficiency in work and greatly saves cost.

Description

Printing ink jet printing device with automatic cleaning spray head

Technical Field

The utility model relates to the technical field of ink jet printing equipment, in particular to an ink jet printing device with an automatically-cleaned spray head.

Background

Electronic devices are increasingly developed in technology, and the electronic devices are composed of various components, including PCB boards, glass cover plates, touch control assemblies, and the like, and in the production process of various components, printing processes are often required for manufacturing functional patterns or decorative patterns on the components.

Taking a PCB board as an example, the PCB board is also called a printed circuit board, is taken as an electronic component and a carrier for electric connection, is an important component of an electronic circuit, a traditional PCB printing method usually adopts a screen printing method, has long production period, high cost and serious pollution, and can not meet the development trend of high precision, high density and high reliability in PCB production. Along with the development of technology, the existing PCB printing mostly adopts a spray printing device to carry out printing operation on the PCB, namely, the technology of spraying ink onto the PCB and drying quickly, and the spray printing technology has higher efficiency compared with a silk screen printing method.

In the production process of the existing ink jet printing equipment, the jet printing device also pauses to work during the waiting period of the shutdown between the working procedures, and the ink attached to the jet printing device can solidify and coagulate during the stopping period of the working, so that an ink outlet of the jet printing device is blocked, and the jet printing device cannot work normally after the shutdown restarting. When the ink outlet is blocked, a manual cleaning or cleaning device is generally adopted to clean the jet printing device, the jet printing device is required to be tested after cleaning, and the jet printing operation is performed after the ink is ejected to confirm that the ink outlet is not blocked. Ink materials are wasted in the repeated testing and cleaning processes, and the use cost is increased.

Disclosure of Invention

The utility model mainly aims to provide an ink jet printing device with an automatically-cleaned spray head, and aims to solve the technical problem that ink materials are easy to waste in the cleaning process of the ink jet printing device in the prior art.

In order to achieve the above purpose, the utility model provides an ink jet printing device with an automatic cleaning nozzle, which comprises a machine base, an objective table arranged on the machine base, a jet printing mechanism and a cleaning mechanism:

the object stage is used for placing a product and is horizontally arranged at intervals with the cleaning mechanism;

the jet printing mechanism comprises a driving assembly and a jet head assembly, wherein the jet head assembly is used for performing ink jet printing on a product placed on the objective table, and the driving assembly is used for driving the jet head assembly to move between the cleaning mechanism and the objective table;

the cleaning mechanism comprises a cleaning head assembly and a filtering recovery assembly which are horizontally arranged at intervals, the cleaning head assembly is used for cleaning the spray head assembly, and the filtering recovery assembly is used for filtering and recovering ink sprayed by the spray head assembly and supplying the ink to the spray head assembly for recycling.

In some embodiments, the cleaning mechanism further comprises a mounting base, the cleaning head assembly and the filtration recovery assembly are horizontally spaced apart from each other in the mounting base, and the cleaning head assembly comprises:

the cleaning piece is provided with a cleaning opening for dirt to pass through;

and the suction piece is connected with the cleaning port and is used for sucking dirt into the cleaning port and recovering the sucked dirt.

In some embodiments, the cleaning member includes a cover and a connection base, the cleaning opening is formed in the cover, the cover is detachably connected to the connection base, the connection base is formed with a cavity for accommodating dirt, and the cavity is communicated with the cleaning opening and the suction member.

In some embodiments, the cleaning head assembly further comprises an anti-collision member, the cover is convexly provided with a cleaning portion, the anti-collision member is arranged on the cleaning portion, the cleaning opening is formed in the top end of the cleaning portion, and the anti-collision member is used for abutting the nozzle assembly to keep the nozzle assembly and the cleaning opening at a certain interval.

In some embodiments, the anti-collision member includes two, the cleaning portion is symmetrically provided with mounting holes along two sides of the cleaning portion in a length direction thereof, the anti-collision member is rotatably connected to the mounting holes, and the cleaning opening is located between the two anti-collision members.

In some embodiments, the cleaning head assembly further comprises a plurality of elastic members, the mounting base is provided with a through hole for the cover to float along a horizontal direction vertical to the base, and the connecting base is connected to the mounting base through the plurality of elastic members.

In some embodiments, the filtering and recycling assembly comprises a filtering piece for filtering the ink sprayed by the spray head assembly and a liquid collecting piece for collecting the ink filtered by the filtering piece, the mounting seat is provided with a liquid leakage hole for the ink to pass through, the filtering piece is connected to one end of the liquid leakage hole, which faces the spray printing mechanism, and the liquid collecting piece is connected to the other end of the liquid leakage hole.

In some embodiments, the driving assembly comprises a first driving member arranged on the base and a second driving member arranged on the first driving member, the spray head assembly is arranged on the second driving member, the first driving member is used for driving the spray head assembly to move to the objective table or the cleaning mechanism along the horizontal direction, and the second driving member is used for driving the spray head assembly to move to be close to or far from the objective table or to be close to or far from the cleaning head assembly along the vertical direction.

In some embodiments, the spray head assembly comprises a plurality of spray heads and ink cartridges connected with the spray heads, wherein each spray head is arranged towards the horizontal interval, and the ink cartridges are connected with each spray head and are used for providing ink for each spray head.

In some embodiments, the inkjet mechanism further comprises a curing assembly for curing the product of inkjet printing ink on the stage, the curing assembly being spaced apart from the inkjet head.

According to the automatic cleaning ink jet printing device for the spray heads, the spray head assembly is driven by the driving assembly to jet printing on a product placed on the objective table, after jet printing is finished, the spray head assembly is driven by the driving assembly to leave the objective table to wait for product material changing, when the material changing time is overlong or the machine halt adjustment time is overlong, residual ink on the spray head assembly can be solidified, the spray head assembly is blocked after solidification to influence the next jet printing, at the moment, the spray head assembly is driven by the driving assembly to move to the position corresponding to the cleaning head assembly to clean, after the solidified residual ink on the spray head assembly is cleaned, the spray head assembly is driven by the driving assembly to move to the position of the filtering recovery assembly to conduct jet printing test, so that the cleaning effect is confirmed, the spray head assembly sprays ink to the filtering recovery assembly, the sprayed ink is filtered and collected, and the ink is supplied to the spray head assembly again for use. The ink jet printing device with the automatically cleaned spray heads realizes the recycling of the ink tested after the spray heads are automatically cleaned and cleaned, and effectively saves the use cost of ink materials.

Drawings

FIG. 1 is a schematic diagram of an ink jet printing apparatus with automatic cleaning of a nozzle according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a jet printing mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a cleaning mechanism according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a cleaning head assembly according to an embodiment of the present utility model;

FIG. 5 is an enlarged partial schematic view of FIG. 4 at A;

FIG. 6 is a partial cross-sectional view of a cleaning member and bumper member in accordance with one embodiment of the present utility model;

fig. 7 is a schematic view of a structure of a mounting base, a filter element and a liquid collecting element according to an embodiment of the present utility model.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 3, the present utility model provides an ink jet printing apparatus with an automatic cleaning nozzle, which comprises a machine base 1, a stage 2 arranged on the machine base 1, a jet printing mechanism 3, and a cleaning mechanism 4:

the object stage 2 is used for placing products, and the object stage 2 and the cleaning mechanism 4 are horizontally arranged at intervals;

the jet printing mechanism 3 includes a drive assembly 31 and a jet head assembly 32, the jet head assembly 32 is used for performing ink jet printing on a product placed on the stage 2, and the drive assembly 31 is used for driving the jet head assembly 32 to move between the cleaning mechanism 4 and the stage 2;

the cleaning mechanism 4 includes a cleaning head assembly 41 and a filtering recovery assembly 42 arranged at a horizontal interval, the cleaning head assembly 41 is used for cleaning the head assembly 32, and the filtering recovery assembly 42 is used for filtering and recovering ink ejected from the head assembly 32 and supplying the ink to the head assembly 32 for reuse.

In this embodiment, taking the product as a PCB board and processing the character jet printing as an example, the working principle of the ink jet printing device with the automatic cleaning nozzle of the present utility model is as follows: firstly, placing a PCB on a stage 2 through a manual or mechanical arm to wait for character spray printing, after the placement, driving a spray head assembly 32 to move from a waiting position towards the stage 2 by a driving assembly 31, stopping driving the spray head assembly 32 to move when the spray head assembly 32 moves to a spray printing position corresponding to the PCB on the stage 2, then performing ink spray printing on the PCB placed on the stage 2 by the spray head assembly 32, and after the spray printing of the spray head assembly 32 is completed, driving the spray head assembly 32 to leave the spray printing position by the driving assembly 31. Returning to the waiting position to wait for the manual or mechanical arm to replace the PCB. When the apparatus needs to be stopped for a long time after the completion of the jet printing, for example, the stage 2 is cleaned or the stop check is performed, the head assembly 32 is in a waiting position to wait. When the character jet printing of the PCB needs to be performed again after the shutdown is finished, at this time, the residual ink on the nozzle assembly 32 is solidified and causes the solidified ink to block the nozzle assembly 32 possibly due to the longer shutdown process, the character jet printing effect is affected, at this time, the nozzle assembly 32 needs to be cleaned first, the nozzle assembly 31 is driven to move to the position of the cleaning head assembly 41 corresponding to the cleaning mechanism 4, at this time, the nozzle assembly 32 is in the cleaning position, the nozzle assembly 32 is cleaned by the cleaning head assembly 41, the ink solidified on the nozzle assembly 32 is cleaned, so that the nozzle assembly 32 is not blocked, after the cleaning, the character printing of the PCB needs to be tested to confirm whether the solidified ink is still left to block the nozzle assembly 32, at this time, the nozzle assembly 32 is driven to move to the position corresponding to the filtering recovery assembly 42 by the driving assembly 31, at this time, the nozzle assembly 32 is in the testing position, the ink is sprayed to the filtering recovery assembly 42 in the testing process, the sprayed ink is smooth, the nozzle assembly 32 is not blocked, the sprayed ink is recovered after being filtered by the filtering recovery assembly 42, and the sprayed ink is available for the nozzle assembly 32. The automatic cleaning ink jet printing device for the spray heads realizes the automatic jet printing of the PCB board through the mutual cooperation of the driving component 31, the spray head component 32, the cleaning head component 41 and the filtering recovery component 42, realizes the automatic cleaning of the spray head component 32 for spraying ink, can recover and reuse the ink sprayed in the test process after the automatic cleaning, and saves the use cost of the ink material in the production.

In some embodiments, the filter recovery assembly 42 may be connected to the nozzle assembly 32 by a liquid pump, and the filtered ink material may be directly delivered to the nozzle assembly 32 for automatic recovery and use, or may be manually collected for replenishment under cost requirements.

In some embodiments, in addition to using manual observation of whether there is any blockage in the testing process of the showerhead assembly 32, the degree of automation of the present apparatus may be further enhanced by adding a miniature camera view at the location of the filter recovery assembly 42.

Referring to fig. 3 to 6, in some embodiments, the cleaning mechanism 4 according to the present utility model further includes a mounting base 40, and the cleaning head assembly 41 and the filtering and recovering assembly 42 are horizontally spaced from the mounting base 40, and the cleaning head assembly 41 includes:

the cleaning piece 411 is provided with a cleaning opening 4110 for dirt to pass through;

the suction member 412, the suction member 412 is connected to the cleaning port 4110, for sucking dirt into the cleaning port 4110 and recovering the sucked dirt.

In the present embodiment, the cleaning mechanism 4 operates on the principle: when the nozzle assembly 32 needs to be cleaned, the nozzle assembly 32 is driven to a cleaning position by the driving assembly 31, at this time, the nozzle assembly 32 is opposite to the cleaning opening 4110 of the cleaning member 411, then the suction member 412 starts to operate, negative pressure at the cleaning opening 4110 connected with the suction member 412 is produced by using the operation principle of suction, and solidified ink on the nozzle assembly 32 is sucked into the cleaning opening 4110 by the negative pressure of the cleaning opening 4110 to the nozzle assembly 32 and recovered by the suction member 412. While also cleaning dust and particles that may get stuck to the showerhead assembly 32 during the production of the apparatus due to dust emissions.

In some embodiments, the suction piece 412 may be a negative pressure manufacturing device such as an exhaust fan, a vacuum pump, etc. with a solid-liquid separation function, and the suction piece 412 and the cleaning port 4110 may be connected through a vacuum tube.

Referring to fig. 4, in some embodiments, the cleaning member 411 according to the present disclosure includes a cover 4111 and a connection seat 4112, the cleaning port 4110 is opened in the cover 4111, the cover 4111 is detachably connected to the connection seat 4112, the connection seat 4112 is opened with a cavity 4113 for accommodating dirt, and the cavity 4113 communicates with the cleaning port 4110 and the suction member 412.

In the present embodiment, the cleaning member 411 operates on the principle: when the suction member 412 performs the suction operation, the generated negative pressure flows to the cleaning port 4110 through the housing 4113, the negative pressure acts on the nozzle assembly 32 outside the cleaning port 4110, the dirt and solidified ink on the nozzle assembly 32 is sucked into the housing 4113 through the cleaning port 4110, and the dirt and solidified ink can enter the suction member 412 with the solid-liquid separation function through the housing 4113. The cavity 4113 may buffer a portion of the dirt or solidified ink and may slightly pressurize the negative pressure generated by the suction member 412 during the suction process.

Referring to fig. 5 and 6, in some embodiments, the cleaning head assembly 41 further includes a bump guard 414, the cover 4111 is provided with a cleaning portion 4114 protruding from the cleaning portion 4114, the bump guard 414 is provided on the cleaning portion 4114, the cleaning portion 4110 is provided on top of the cleaning portion 4114, and the bump guard 414 is used to abut against the showerhead assembly 32, so that the showerhead assembly 32 is spaced from the cleaning portion 4110.

In this embodiment, when the nozzle assembly 32 is cleaned, the driving assembly 31 drives the nozzle assembly 32 to move to the cleaning position, and although the cleaning effect is obvious when the nozzle assembly 32 approaches the cleaning head assembly 41, the nozzle assembly 32 cannot contact the cleaning member 411, so as to avoid damage to the nozzle assembly 32 in the cleaning process, so that the anti-collision member 414 is disposed on the cleaning portion 4114 and is used for abutting against the nozzle assembly 32, so that the nozzle of the nozzle assembly 32 and the cleaning opening keep a certain interval, and the nozzle and the cleaning opening are not contacted, thereby avoiding damage to the nozzle.

Referring to fig. 6, in some embodiments, the anti-collision member 414 according to the present utility model includes two cleaning portions 4114 symmetrically provided with mounting holes 4115 along two sides of the cleaning portion along the length direction thereof, the anti-collision member 414 is rotatably connected to the mounting holes 4115, and the cleaning portion 4110 is located between the two anti-collision members 414.

In this embodiment, the working principle of the crash element 414 is as follows: the anti-collision member 414 is a transmission system composed of a shaft, a shaft sleeve and a bearing, the shaft is installed in the installation hole 4115, the inner side of the shaft sleeve is sleeved on the shaft, the bearing is sleeved on the outer side of the shaft sleeve, when the nozzle assembly 32 contacts the anti-collision member 414, namely contacts the bearing, the outer side of the bearing is abutted on the nozzle assembly 32, and at the moment, if the driving assembly 31 drives the nozzle assembly 32 to move, the bearing rotates along with the driving assembly, so that sliding is provided for the nozzle assembly 32, and the nozzle assembly 32 can move to a test position or a spray printing position in the horizontal direction of the machine base under the condition that the relative position of the nozzle assembly 32 in the horizontal direction of the machine base is not changed.

In some embodiments, the anti-collision member 414 may be fixed on the cleaning portion 4114 and not rotationally connected to the cleaning portion 4114, where the anti-collision member 414 may be an anti-collision block made of a high-strength plastic material, or may be made of other material characteristics, such as a high-strength plastic material, which is a material having both rigidity of plastic and elasticity of rubber, and the elasticity of the high-strength plastic material may enable the nozzle assembly 32 to have a certain buffering capacity when contacting the anti-collision member 414, and the rigidity of the high-strength plastic material may enable the nozzle assembly 32 to reliably maintain a certain interval between the nozzle assembly and the anti-collision member 414. However, when the cleaning of the spray head assembly 32 is completed, the drive assembly 31 is required to drive the spray head assembly 32 to move in the horizontal direction vertical to the base, so that the spray head assembly 32 is far away from the fixedly arranged anti-collision member 414, and then the drive assembly 31 drives the spray head assembly 32 to perform the translational movement in the horizontal direction horizontal to the base.

Referring to fig. 4 and 7, in some embodiments, the cleaning head assembly 41 according to the present utility model further includes a plurality of elastic members 413, the mounting base 40 is provided with a through hole 400 for the cover 4111 to float along a horizontal direction perpendicular to the base, and the connection base 4112 is connected to the mounting base 40 through the plurality of elastic members 413.

In this embodiment, the elastic member 413 operates on the following principle: the driving assembly 31 drives the nozzle assembly 32 to approach the cleaning member 411 along the vertical direction, when the nozzle assembly 32 contacts the anti-collision member 414, a force vertical to the machine base 1 is applied to the anti-collision member 414, in order to balance the force, the nozzle assembly 32 is connected with the elastic member 413 through the connecting seat 4112, the elastic member 413 is connected with the mounting seat 40, and the through hole 400 is formed for the sealing cover 4111 of the cleaning member 411 to float along the horizontal direction vertical to the machine base 1 when being stressed. Rigid contact between the spray head assembly 32 and the bumper 414 is thereby avoided, avoiding damage to the various components of the two-contact mechanism.

In some embodiments, the elastic member may be a linear motion system with a spring, where the linear bearing includes an optical axis and an optical axis sleeve, one end of the optical axis is connected to the mounting seat 40, then the other end is sequentially connected to the connecting seat 4112, the spring, and the blocking piece, the spring sleeve is disposed on the optical axis, two ends respectively abut against the connecting seat 4112 and the blocking piece, and the blocking piece is fixed at one end of the optical axis to block the spring. When the nozzle assembly 32 contacts the anti-collision member 414, the connection seat 4112 moves along with the applied force, the spring abutting against the connection seat 4112 is compressed, and the spring provides elastic force to balance the force applied by the driven assembly 31, so as to play a role of buffering.

Referring to fig. 7, in some embodiments, the filter recovery assembly 42 according to the present utility model includes a filter 421 for filtering ink sprayed by the spray head assembly 32 and a liquid collecting member 422 for collecting ink filtered by the filter 421, the mount 40 is provided with a liquid leakage hole 401 through which ink passes, the filter 421 is connected to one end of the liquid leakage hole 401 facing the spray printing mechanism 3, and the liquid collecting member 422 is connected to the other end of the liquid leakage hole 401.

In this embodiment, the filtering recovery unit 42 operates according to the following principle: when the cleaning of the nozzle assembly 32 at the cleaning position is completed, the nozzle assembly 32 is driven by the driving assembly 31 to move to a position corresponding to the filtering recovery assembly 42, the nozzle assembly 32 ejects ink for testing, the ejected tested ink is firstly absorbed and filtered by the filtering piece 421, the ink filtered by the filtering piece 421 flows into the liquid collecting piece 422 after passing through the liquid leakage hole 401, the liquid collecting piece 422 can be connected to the nozzle assembly 32 through a power device such as a liquid pump, and the recovered ink can be supplied to the nozzle assembly 32 for direct use.

In some embodiments, the weep hole 401 is provided to support the filter 421, facilitating replacement of the filter 421. The filter 421 may be directly disposed at the inlet of the liquid collecting member 422 without using the structure of the weeping hole 401 in actual design.

Referring to fig. 2, in some embodiments, the driving assembly 31 according to the present utility model includes a first driving member 311 provided on the base 1 and a second driving member 312 provided on the first driving member 311, the showerhead assembly 32 is provided on the second driving member 312, the first driving member 311 is used for driving the showerhead assembly 32 to move to the stage 2 or the cleaning mechanism 4 in a horizontal direction, and the second driving member 312 is used for driving the showerhead assembly 32 to move to approach or separate from the stage 2 or to approach or separate from the cleaning head assembly 41 in a vertical direction.

In the present embodiment, the working principle of the driving assembly 31 is illustrated with reference to the horizontal direction of the base 1: when the head assembly 32 needs to be moved to a certain position of the waiting position, the jet printing position, the cleaning position, and the testing position, the first driving member 311 drives the head assembly 32 to move in the horizontal direction so that the head assembly 32 reaches the corresponding position, and when the head assembly 32 is too far or too near from one of the stage 2, the cleaning head assembly 41, and the filter recovery assembly 42, the second driving member 312 drives the head assembly 32 to move in the vertical direction so as to approach or depart from the stage 2, the cleaning head assembly 41, and the filter recovery assembly 42.

In some embodiments, the inkjet printing process may require the cooperation of the first driving member 311 under the inkjet printing requirements of different inkjet printing contents, i.e. the first driving member 311 drives the nozzle assembly 32 to horizontally move slowly during the inkjet printing process to realize different inkjet printing contents.

In some embodiments, the first driving member 311 is a linear motor, and the second driving member 312 is a servo motor, and other linear motion modules, such as a stepper motor, can be used instead of the above two, which is not limited herein.

Referring to fig. 2, in some embodiments, a nozzle assembly 32 according to the present utility model includes a plurality of nozzles 321 and ink cartridges 322 connected to the plurality of nozzles 321, each of the nozzles 321 being disposed toward a horizontal space, the ink cartridges 322 being connected to each of the nozzles 321 for supplying ink to each of the nozzles 321.

In this embodiment, the operation principle of the spray head assembly 32 is as follows: the ink cartridges 322 store ink materials, and when ink jet printing is required, the ink cartridges 322 supply ink to the inkjet heads 321, and the plurality of inkjet heads 321 can operate simultaneously or respectively to perform ink jet printing on the PCB board placed on the stage 2.

In some embodiments, the placement of the inkjet heads 321 may be staggered, and one skilled in the art may change the placement of the inkjet heads 321 or change the operation, for example, stop one or more of the inkjet heads.

In some embodiments, the inkjet head 321 and the ink cartridge 322 may be mounted on the output end of the second driving member 312 by a mounting frame, and the inkjet head 321 and the ink cartridge 322 move with the movement of the mounting frame driven by the second driving member 312.

Referring to fig. 2, in some embodiments, the inkjet printing mechanism 3 according to the present utility model further includes a curing assembly 33 for curing the product on the stage 2 for inkjet printing, where the curing assembly 33 is spaced apart from the inkjet head 321.

In this embodiment, the working principle of the curing assembly 33 is: when the spray printing is finished, the driving component 31 drives the spray printing mechanism 3 to move to the position of the printed PCB, the curing component 33 starts to work, and ink is cured on the PCB, so that the ink sprayed on the PCB is accelerated to be cured, and pollution or damage to an ink layer on the PCB when the printed PCB is manually taken down or the mechanical arm is taken down.

In some embodiments, the curing assembly 33 may be a UV curing lamp, or may be a free type according to the selection of different ink materials by those skilled in the art, which is not limited herein.

The above description of the preferred embodiments of the present utility model should not be taken as limiting the scope of the utility model, but rather should be understood to cover all modifications, variations and adaptations of the present utility model using its general principles and the following detailed description and the accompanying drawings, or the direct/indirect application of the present utility model to other relevant arts and technologies.

Claims

1. The utility model provides an automatic clear printing ink jet printing device of shower nozzle, its characterized in that includes the frame and locates objective table, jet printing mechanism, the clean mechanism of frame, wherein:

2. The inkjet printing apparatus of claim 1 wherein said cleaning mechanism further comprises a mounting base, said cleaning head assembly and said filter recovery assembly being horizontally spaced from said mounting base, said cleaning head assembly comprising:

3. The automatic cleaning ink jet printing device of the spray head according to claim 2, wherein the cleaning piece comprises a sealing cover and a connecting seat, the cleaning opening is formed in the sealing cover, the sealing cover is detachably connected to the connecting seat, the connecting seat is provided with a containing cavity for containing dirt, and the containing cavity is communicated with the cleaning opening and the suction piece.

4. The inkjet printing apparatus of claim 3 wherein said cleaning head assembly further comprises a bumper member, said cover is provided with a cleaning portion, said bumper member is provided on said cleaning portion, said cleaning opening is provided on a top end of said cleaning portion, said bumper member is adapted to abut said nozzle assembly to maintain said nozzle assembly in spaced relation to said cleaning opening.

5. The automatic nozzle cleaning ink jet printing device according to claim 4, wherein the number of the anti-collision members is two, the cleaning parts are symmetrically provided with mounting holes for mounting the anti-collision members along two sides of the cleaning parts in the length direction, the anti-collision members are rotatably connected to the mounting holes, and the cleaning holes are positioned between the two anti-collision members.

6. The device according to any one of claims 3 to 5, wherein the cleaning head assembly further comprises a plurality of elastic members, the mounting base is provided with a through hole for the cover to float in a horizontal direction perpendicular to the base, and the connection base is connected to the mounting base through the plurality of elastic members.

7. The automatic cleaning nozzle head ink jet printing device according to claim 2, wherein the filtering and recycling assembly comprises a filtering piece for filtering ink sprayed by the nozzle head assembly and a liquid collecting piece for collecting the ink filtered by the filtering piece, the mounting seat is provided with a liquid leakage hole for the ink to pass through, the filtering piece is connected to one end of the liquid leakage hole, which faces the jet printing mechanism, and the liquid collecting piece is connected to the other end of the liquid leakage hole.

8. The inkjet printing apparatus of claim 1 wherein said drive assembly comprises a first drive member disposed on said housing and a second drive member disposed on said first drive member, said inkjet assembly disposed on said second drive member, said first drive member for driving said inkjet assembly to move in a horizontal direction to said stage or said cleaning mechanism, said second drive member for driving said inkjet assembly to move in a vertical direction to approach or depart from said stage or to approach or depart from said cleaning head assembly.

9. The inkjet printing apparatus of claim 1 or 8 wherein the inkjet head assembly comprises a plurality of inkjet heads and ink cartridges connected to the plurality of inkjet heads, each of the inkjet heads being disposed toward a horizontal space, the ink cartridges being connected to each of the inkjet heads for supplying ink to each of the inkjet heads.

10. The inkjet printing apparatus of claim 9 wherein said inkjet mechanism further comprises a curing assembly for curing the product of inkjet printing ink on said stage, said curing assembly being spaced from said inkjet head.