CN113320287B

CN113320287B - Head plate device for ink-jet printer

Info

Publication number: CN113320287B
Application number: CN202110453191.7A
Authority: CN
Inventors: 单健; 王家远; 闫峂
Original assignee: Beijing Yuande Electric Science And Technology LLC
Current assignee: Beijing Yuande Electric Science And Technology LLC
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-09-30
Anticipated expiration: 2041-04-26
Also published as: CN113320287A

Abstract

The invention relates to a head plate device for a printer, which comprises a head plate installation module, wherein the head plate installation module comprises a shell formed by mutually enclosing, a plurality of head plates are arranged in the shell, the lower end of each head plate is connected with a printing spray head, and the upper end of each head plate is connected with a switch; at least one side of the head plate installation module is provided with a fan, and the fan is used for dissipating heat of a head plate in the head plate installation module; the head plate installation module comprises a lower shell positioned below, an upper shell positioned above and buckled with the lower shell, and end covers positioned on the left side and the right side and matched with the upper shell and the lower shell in size after being enclosed. The invention has the advantages of compact and simplified structure, good heat dissipation effect, convenient maintenance and replacement, improved printing effect and printing efficiency of the printer, regular layout and prolonged service life of the nozzle data line.

Description

Head plate device for ink-jet printer

Technical Field

The invention relates to the technical field of ink-jet printing, in particular to a head plate device for an ink-jet printer.

Background

An ink jet printer prints images or characters by ejecting ink droplets from a print head onto a print medium. The nozzle is installed on the printing trolley, besides the nozzle, the printing trolley is also provided with an ink path component for providing ink for the nozzle, an air path component for providing negative pressure for the nozzle, a circuit board for controlling the ink-jet printing process and the like, the ink path component, the air path component and the circuit board are connected with each other to use a plurality of pipes and wires, the connection of the pipes and the wires depends on the arrangement structure of each element, if the arrangement is not reasonable enough, not only can the winding of each pipe or wire be caused, but also unnecessary waste can be caused, the more serious possibility can lead to the increase of the size of the printing trolley, the precision of the whole printing is influenced, and the attractiveness and the cost are influenced.

In the printing process, because the thickness of printing medium is different, need adjust often to print the shower nozzle apart from the height of printing medium bottom to guarantee the distance between shower nozzle and the printing medium, at this moment, the subassembly overall arrangement on the printing dolly is just more important, if the overall arrangement is unreasonable, leads to the lift load too big easily, thereby influences the lift control precision.

And prior art often controls the inkjet printing work of print head through mainboard control head board then, because of the quantity of mainboard drive head board is limited, consequently print head and head board's quantity all can be limited, and in order to support the quantity of print head, often need increase the volume of mainboard and increase the quantity of head board, leads to the whole volume of printing the dolly too big and weight overweight like this.

Disclosure of Invention

The invention aims to provide a head plate device for an ink-jet printer, which aims to solve the defects in the prior art, and the technical problem to be solved by the invention is realized by the following technical scheme.

A head plate device for an ink-jet printer comprises a head plate installation module, wherein the head plate installation module comprises a shell which is formed by mutually enclosing, a plurality of head plates are arranged in the shell, the lower end of each head plate is connected with a printing nozzle, and the upper end of each head plate is connected with a switch; the fan is installed to at least one side of head board installation module, the fan is used for dispelling the heat for the head board in the head board installation module.

Preferably, the head plate installation module comprises a lower shell positioned below, an upper shell positioned above and buckled with the lower shell, and end covers positioned on the left side and the right side and matched with the upper shell and the lower shell in size after the end covers are enclosed.

Preferably, the upper shell is in an inverted U shape, a plurality of mounting holes are formed in the upper end face of the upper shell, the mounting holes are rectangular through holes, and the head plate penetrates through the mounting holes and is mounted in the head plate mounting module.

Preferably, the mounting plate is arranged in the mounting hole and is an L-shaped thin plate, the head plate is arranged on the bending inner side of the L-shaped thin plate, and the mounting plate penetrates through the mounting hole and is arranged in a cavity of the head plate mounting module.

Preferably, the lower shell is U-shaped, and the lower end face of the lower shell is provided with a plurality of through grooves corresponding to the mounting holes.

Preferably, the head plate installation module is installed on a trolley frame, a nozzle bottom plate is installed in the trolley frame, a printing nozzle is installed on the nozzle bottom plate, and a nozzle data line of the printing nozzle penetrates through the through groove from the lower portion of the lower shell to be connected with the head plate.

Preferably, the trolley frame comprises an inner frame positioned at the inner side and an outer frame positioned at the outer side, the inner frame can move up and down relative to the outer frame, and the head plate installation module is installed on the outer frame.

Preferably, the fans are turbine fans and are respectively installed on the outer sides of the end covers, and through holes matched with the fans in size are formed in the end covers.

Preferably, a fan mounting plate is arranged between the fan and the end shield, and a through hole matched with the size of the fan is formed in the fan mounting plate.

Preferably, the side of the shell is provided with heat dissipation holes, filter cotton is arranged outside the heat dissipation holes, and a filter cover is arranged outside the filter cotton.

The head plate mounting device for the printer provided by the invention has the following beneficial effects:

1) the head plate is integrally installed by the head plate installation module, the modular design is realized, the pre-assembly and the integral replacement are convenient, and the installation and the replacement are more convenient and quicker;

2) the upper end of the head plate is connected with the switch, the printing tasks are distributed to all head plate subtasks after being processed by the switch by the host, the lower end of the head plate is connected with the printing nozzles and used for controlling ink jet work of the printing nozzles according to the subtasks, the number of the nozzles is limited to the minimum, and the head plate is vertically arranged in the head plate installation module, so that the installation number of the head plate is maximized, the number of the printing nozzles is maximized, the printing efficiency is increased, and when the number of the printing nozzles is too large, the structure saves the space to the maximum extent;

3) the lower end of the head plate is directly connected with the nozzle data line, the direction of the head plate is consistent with that of the flat nozzle data line, wiring is facilitated, the circuit arrangement is more regular, and damage to the nozzle data line caused by repeated lifting of the inner frame when the nozzle data line is in torsional connection with the head plate can be avoided;

4) each head plate is arranged on the L-shaped mounting plate, the mounting plate passes through the mounting hole and is arranged in the head plate mounting module, and when an individual head plate has a fault, the individual head plate is convenient to overhaul and replace;

5) the turbofan is large in wind power, the flattening structure saves more space, heat emitted by the head plate in the head plate installation module during working is extracted and guided out along the direction perpendicular to the rotating shaft of the fan blade through the internal airflow channel perpendicular to the 90-degree direction, namely the air extraction direction is perpendicular to the direction of the end cover, the wind guiding direction is parallel to the end cover and is guided out towards the outer direction of the trolley frame, the structure is novel, the space trend is effectively utilized, and the overall structure is more simplified; the arrangement of the filter cotton can avoid the faults or failures of the head plate and the fan caused by dust accumulation due to the fact that dust, dust and the like in the air enter the inner space of the head plate installation module;

6) the head plate installation module is installed on the outer frame of the printing trolley, so that the load of the inner frame during lifting is reduced, and the lifting control is simpler and more accurate.

In conclusion, the head plate device for the ink-jet printer provided by the invention has the beneficial effects of being simple and compact in structure, good in heat dissipation effect, convenient to maintain and replace, capable of improving the printing effect and printing efficiency of the printer, regular in layout, capable of prolonging the service life of the nozzle data line and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a head board mounting module according to the present invention;

FIG. 3 is a schematic structural view of the upper case of the present invention;

FIG. 4 is a schematic view showing the construction of a lower case according to the present invention;

FIG. 5 is a schematic view of the structure of the mounting plate of the present invention;

FIG. 6 is a schematic structural view of an end shield according to the present invention;

FIG. 7 is a schematic view of a fan mounting plate according to the present invention;

FIG. 8 is a schematic view of the construction of the cart frame according to the present invention;

the reference numbers in the drawings are, in order: 1. the head plate mounting structure comprises a trolley frame, 11, an inner frame, 12, an outer frame, 2, a head plate mounting module, 21, an upper shell, 211, mounting holes, 22, a lower shell, 221, a through groove, 23, a mounting plate, 24, an end cover, 25, a filter cover, 3, a fan, 4, a fan mounting plate, 5 and a nozzle base plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1:

referring to fig. 1 and 2, a head plate device for an inkjet printer is improved in that: the printing head plate comprises a head plate installation module 2, wherein the head plate installation module comprises a shell which is formed by mutually enclosing, a plurality of head plates are arranged in the shell, the lower ends of the head plates are connected with a printing nozzle, and the upper ends of the head plates are connected with an exchanger; at least one side of the head board installation module 2 is provided with a fan 3, and the fan 3 is used for dissipating heat of a head board in the head board installation module 2.

In the embodiment, the head plate is integrally installed by the head plate installation module 2, and the modular design is convenient for pre-assembly and integral replacement; the fan 3 timely dissipates heat for the head plate in work to ensure the normal work of the head plate; the upper end of the head board is connected with the switch, the switch is connected with the host through the optical fiber, the host transmits the printing task to the switch, the switch processes and distributes the printing task to each head board subtasks, the lower end of the head board is connected with the printing nozzle and is used for controlling the ink-jet work of the printing nozzle according to the subtasks, the mainboard-removing mode saves the installation space of the mainboard, the data transmission between the host and each head board is independent, the data transmission bandwidth is not limited, the number of the nozzles can be increased as far as possible, the problem that the number of the head boards is limited when the head boards are driven to work through the mainboard in the prior art so that the number of the printing nozzles is limited is solved, the technology of the switch is mature, the failure rate is extremely low, and the stability of the data transmission is guaranteed.

Further, the head board installation module 2 includes a lower shell 22 located below, an upper shell 21 located above and fastened to the lower shell 22, and end covers 24 located on the left and right sides and having a size matched with the size of the upper shell 21 and the size of the lower shell 22 after the upper shell and the lower shell are enclosed. The upper and lower separated shell is convenient for the overhaul and the replacement of the head plate.

Example 2:

in addition to embodiment 1, referring to fig. 3, the upper case 21 is in an inverted U shape, and a plurality of mounting holes 211 are formed in an upper end surface thereof, the mounting holes 211 are rectangular through holes, and the head plate passes through the mounting holes 211 and is mounted in the head plate mounting module 2.

Further, as shown in fig. 5, an installation plate 23 is arranged in the installation hole 211, the installation plate 23 is an L-shaped thin plate, the head plate is installed inside the bent portion of the L-shaped thin plate, and the installation plate 23 is installed in the cavity of the head plate installation module 2 through the installation hole 211.

Further, referring to fig. 4, the lower shell 22 is U-shaped, and the lower end surface of the lower shell is provided with a plurality of through grooves 221 corresponding to the positions of the mounting holes 211.

Further, referring to fig. 8, the head plate installation module is installed on a trolley frame, a nozzle bottom plate 5 is installed in the trolley frame 1, a print nozzle is installed on the nozzle bottom plate 5, and a nozzle data line of the print nozzle passes through the through groove 221 from the lower side of the lower shell 22 to be connected with the head plate.

Further, the arrangement of the head plate in the head plate installation module 2 is the same as the arrangement of the print heads on the head plate base plate 5, and the long side of the installation hole 211 is the same as the long side of the print head.

In the embodiment, each head plate is installed on the L-shaped installation plate 23, the installation plate 23 is installed in the head plate installation module 2 through the installation hole 211, and when an individual head plate fails, the individual maintenance and replacement are convenient; the head plate is vertically arranged in the head plate installation module 2, so that the installation number of the head plates is maximized, the number of printing nozzles is maximized, the printing efficiency is increased, and when the number of the printing nozzles is too large, the structure saves most space; first board lower extreme and shower nozzle data line lug connection, and the direction is unanimous with flat shower nozzle data line, is more convenient for walk the line, and the circuit arrangement is more regular, also can avoid shower nozzle data line and first board twist reverse the damage of the shower nozzle data line that the internal frame goes up and down many times and lead to when being connected.

Example 3:

on the basis of the embodiment 2, referring to fig. 8, the trolley frame 1 comprises an inner frame 11 positioned at the inner side and an outer frame 12 positioned at the outer side, the inner frame 11 can move up and down relative to the outer frame 12, and the head board installation module 2 is installed on the outer frame 12.

In this embodiment, the head plate installation module is installed on the outer frame 12 of the printing trolley, so that the load of the inner frame 11 during lifting is reduced, and the lifting control is simpler and more accurate.

Example 4:

in addition to any of the above embodiments, referring to fig. 1, 2 and 6, the fans 3 are turbo fans and are respectively mounted on the outer sides of the end covers 24, and the end covers 24 are provided with through holes matching the size of the fans 3.

In this embodiment, turbofan wind-force is great, and the platyzing structure saves space more, takes out the heat that head board during operation of head board installation module 2 inside gives off and derives along the direction of perpendicular to flabellum pivot through the perpendicular 90 degrees direction of inside airflow channel, and the convulsions direction is perpendicular with the end shield direction promptly, and the direction that wind was derived is parallel with the end shield, and derives to 1 outside direction of dolly frame, design benefit, effectively utilizes the space trend for overall structure retrencies more.

Further, a fan mounting plate 4 is arranged between the fan 3 and the end cover 24, and a through hole matched with the size of the fan 3 is formed in the fan mounting plate 4.

Further, the side of the shell is provided with heat dissipation holes, filter cotton is arranged outside the heat dissipation holes, and a filter cover 25 is arranged outside the filter cotton.

The arrangement of the filter cotton can avoid the faults or failures caused by dust accumulation of the head plate and the fan due to the fact that dust, dust and the like in the air enter the inner space of the head plate installation module.

It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or otherwise described herein.

Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented in other different ways, such as by rotating it 90 degrees or at other orientations, and the spatially relative descriptors used herein interpreted accordingly.

In the foregoing detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like numerals typically identify like components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A head plate device for an ink jet printer, characterized in that: the printing head plate comprises a head plate installation module (2), wherein the head plate installation module (2) comprises a shell formed by mutually enclosing, a plurality of head plates are installed in the shell, the lower ends of the head plates are connected with a printing nozzle, and the upper ends of the head plates are connected with an exchanger; at least one side of the head plate installation module (2) is provided with a fan (3), and the fan (3) is used for dissipating heat of a head plate in the head plate installation module (2); the head plate installation module (2) comprises a lower shell (22) positioned below, an upper shell (21) positioned above and buckled with the lower shell (22), and end covers (24) positioned on the left side and the right side and matched with the upper shell (21) and the lower shell (22) in size after being enclosed; the upper shell (21) is in an inverted U shape, a plurality of mounting holes (211) are formed in the upper end face of the upper shell, the mounting holes (211) are rectangular through holes, and the head plate penetrates through the mounting holes (211) and is mounted in the head plate mounting module (2); the mounting plate (23) is arranged in the mounting hole (211), the mounting plate (23) is an L-shaped thin plate, the head plate is mounted on the bent inner side of the L-shaped thin plate, and the mounting plate (23) penetrates through the mounting hole (211) and is mounted in a cavity of the head plate mounting module (2); the lower shell (22) is U-shaped, and the lower end face of the lower shell is provided with a plurality of through grooves (221) corresponding to the mounting holes (211); the head plate installation module is installed on a trolley frame (1), a sprayer bottom plate (5) is installed in the trolley frame (1), a printing sprayer is installed on the sprayer bottom plate (5), and a sprayer data line of the printing sprayer penetrates through the through groove (221) from the lower portion of the lower shell (22) to be connected with the head plate; dolly frame (1) is including being located inboard inner frame (11) and being located the outer frame (12) in the outside, inner frame (11) can reciprocate for outer frame (12), head board installation module (2) install in on outer frame (12) for alleviate the load when inner frame (11) goes up and down.

2. The head plate device for an inkjet printer according to claim 1, characterized in that: the fan (3) is a turbine fan and is respectively arranged on the outer side of the end cover (24), and a through hole matched with the size of the fan (3) is formed in the end cover (24).

3. The head plate device for an ink jet printer according to claim 2, wherein: the fan mounting plate (4) is arranged between the fan (3) and the end cover (24), and through holes matched with the size of the fan (3) are formed in the fan mounting plate (4).

4. The head plate device for an inkjet printer according to claim 1, characterized in that: the side of casing is equipped with the louvre, the louvre is equipped with the filter pulp outward, the filter pulp outside is equipped with filter mantle (25).