CN109016854B

CN109016854B - Annotate black machine

Info

Publication number: CN109016854B
Application number: CN201811152400.9A
Authority: CN
Inventors: 赵晨海
Original assignee: Beihai Jixun Technology Co ltd
Current assignee: Beihai Jixun Technology Co ltd
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2023-07-07
Anticipated expiration: 2038-09-29
Also published as: CN109016854A

Abstract

The invention discloses an ink injection machine, and relates to the field of ink box regeneration. Comprises an upper cover component, a lower cover component and an ink injection component which are arranged on a bracket; the lower cover assembly comprises a lower fixed plate arranged on the bracket, a lower cover plate for installing the ink box is arranged on the lower fixed plate, and a lower driving device for adjusting the height of the lower cover plate is also arranged on the lower fixed plate; the upper cover assembly comprises an upper fixing plate arranged on the bracket, an upper cover plate is arranged on the upper fixing plate, a plurality of upper cover pinholes used for allowing the ink injection needle to pass through are formed in the upper cover plate, and an upper driving device used for adjusting the height of the upper cover plate is further arranged on the upper fixing plate; one side of the upper cover plate, which is far away from the upper fixing plate, is also provided with a limiting plate, the limiting rod is connected to the upper cover plate through an elastic piece, and a plurality of limiting pinholes used for the ink injection needle to pass through are also formed in the limiting plate. The ink injection needle is taken out of the ink box, the ink injection process can be continuously carried out without the need of controlling the ink injection needle again by a user, and the ink injection efficiency of the ink box is increased.

Description

Annotate black machine

Technical Field

The invention relates to the field of ink box regeneration, in particular to an ink injection machine.

Background

Modern ink cartridges are primarily referred to as components of an inkjet printer that store printing ink and ultimately complete the printing. The processing procedure of the ink box adopts an automatic processing mode, the modern ink box mainly comprises a shell, a cover body and an internal sponge, and after the sponge is put into the shell, the cover body needs to be covered on the shell by an automatic production line to complete the assembly of the ink box.

After the upper cover of the ink cartridge is assembled, the device needs to start to inject ink into the assembled ink cartridge; in the ink injection process, since the ink injection hole on the ink box is only slightly larger than the ink injection needle head, after the ink injection is completed, the friction force between the ink injection needle head and the ink box is large in the process of taking out the ink injection needle head, the ink box is likely to be lifted up by the ink injection needle head, the ink box is difficult to move to a subsequent station, and a user needs to take the ink box off the ink injection needle head, so that the ink injection efficiency of the ink box is reduced.

Disclosure of Invention

The invention aims to provide an ink injection machine, which realizes the function of taking out an ink injection needle from an ink box, does not need the control of a user again, can continuously perform the ink injection process, and increases the ink injection efficiency of the ink box.

The technical scheme provided by the invention is as follows:

an ink injector comprises an upper cover component, a lower cover component and an ink injection component which are arranged on a bracket, wherein the ink injection component comprises an ink injection needle head used for injecting ink into an ink box; the lower cover assembly comprises a lower fixing plate arranged on the bracket, a lower cover plate for installing the ink box is arranged on the lower fixing plate, the height of the lower cover plate in the vertical direction is adjustable, and a lower driving device for adjusting the height of the lower cover plate is also arranged on the lower fixing plate; the upper cover assembly comprises an upper fixing plate arranged on the bracket, an upper cover plate is arranged on the upper fixing plate, a plurality of upper cover pinholes used for the ink injection needle to pass through are formed in the upper cover plate, the height of the upper cover plate in the vertical direction is adjustable, and an upper driving device used for adjusting the height of the upper cover plate is further arranged on the upper fixing plate; the ink injection needle is arranged on the upper cover plate; the upper cover plate is characterized in that a limiting plate is further arranged on one side, far away from the upper fixing plate, of the upper cover plate, the limiting rod is connected to the upper cover plate through an elastic piece, and a plurality of limiting pinholes used for allowing the ink injection needle to penetrate through are further formed in the limiting plate.

In this embodiment, after the ink box assembly moves to the corresponding station, the lower driving device can drive the lower cover plate to move, and the ink box is installed in the lower cover plate, and similarly, the upper driving device can drive the upper cover plate to move, and then drive the limiting plate to cover the ink box, and simultaneously drive the ink injection needle to enter the ink box, and start ink injection; after the ink filling is completed, the upper driving device controls the upper cover plate to be away from the ink box, but due to the arrangement of the elastic piece, the elastic piece is restored to be elastically deformed and still abutted to the ink box, but the ink filling needle head is away from the ink box along with the upper cover plate, so that the function of taking out the ink filling needle head from the ink box is realized, the ink filling process can be continuously carried out without the need of controlling the ink filling needle head again by a user, and the ink filling efficiency of the ink box is increased.

Further, be provided with a plurality of second gag lever post on the limiting plate, a plurality of the axis of second gag lever post with the direction of motion of upper cover plate is parallel, the second gag lever post wears to establish on the upper fixed plate.

In this embodiment, the setting of second gag lever post has increased the constraint between limiting plate and the upper fixed plate, has reduced the upper cover plate and has driven the limiting plate when moving, and the limiting plate rocks the possibility, has increased the stability of limiting plate for the limiting plate can stablely butt on the ink horn.

Further, the second limiting rod penetrates through the upper cover plate, and a connecting hole for the second limiting rod to penetrate through is formed in the upper cover plate.

In this embodiment, increased the constraint between upper cover plate and the limiting plate, reduced the upper cover plate when driving the upper cover plate motion of upper drive arrangement, the upper cover plate is rocked the possibility, has increased the constraint when upper cover plate motion, has increased the stability of upper cover plate for the upper cover plate can drive the notes china ink syringe needle steadily and insert into the ink horn in entering notes china ink.

Further, be provided with a plurality of first gag lever post on the upper cover plate, a plurality of first gag lever post the axis with the direction of motion of upper cover plate is parallel, first gag lever post wears to establish on the upper fixed plate.

In this embodiment, the constraint between upper cover plate and the upper fixed plate has been increased in the setting of first gag lever post, has reduced the upper cover plate and has rocked the possibility when upper driving device drove the upper cover plate motion, has increased the stability of upper cover plate.

Further, a first mounting groove for mounting the elastic piece is formed in one side, away from the upper fixing plate, of the upper cover plate; and/or; and a second mounting groove for mounting the elastic piece is formed in one side, close to the upper fixing plate, of the limiting plate.

In this embodiment, through the setting of first mounting groove or second mounting groove for the elastic component is after certain elastic deformation, and in the elastic component can shrink completely entering first mounting groove or second mounting groove, and make the upper cover plate can the butt on the limiting plate, reduced the pressure that the elastic component received too big and damaged possibility, increased the reliability of elastic component.

Further, a needle plate is arranged on the upper cover plate, a plurality of ink injection needle holes used for allowing the ink injection needles to pass through are formed in the needle plate, and the ink injection needles are arranged on the needle plate.

In this embodiment, through the setting of needle board, realized annotating the detachable connection of black syringe needle and upper cover plate, the user of being convenient for changes different needles to pour into different ink in different ink cartridges.

Further, a plate groove for installing the needle head plate is formed in one side, close to the upper fixing plate, of the upper cover plate, and the needle head plate is clamped in the plate groove.

In this embodiment, through the setting of board groove, realized the fixed of upper cover plate and syringe needle board, the installation and the dismantlement of syringe needle board of being convenient for.

Further, the lower cover plate is provided with an installation groove for installing the ink box, and the bottom of the installation groove is provided with an ink outlet hole for residual ink to flow out.

In this embodiment, through the setting of apopore, the ink of shower nozzle department can follow the position of apopore and flow out the annotate ink machine, has reduced the influence of original ink to the ink horn notes ink afterwards.

Further, the mounting grooves on the lower cover plate are formed in a plurality, and the lower cover plate is internally provided with an air suction pipeline which is communicated with the ink outlet holes.

In this embodiment, through the setting of the pipeline of breathing in, the user can directly peg graft the pipe fitting of breathing in on the pipeline of breathing in, has realized breathing in to all play black hole, and the in-process of breathing in has simultaneously further accelerated the speed that the incomplete ink flows out the ink horn through play black hole, has increased the clear efficiency of incomplete ink.

Further, an air inlet pipeline is arranged in the lower cover plate, and an air inlet hole which is communicated with the air inlet pipeline and the mounting groove is also arranged in the lower cover plate.

In this embodiment, through the setting of admission line, realized the balance of mounting groove internal air flow, the outer incomplete ink of ink horn can follow the air current direction and leave the ink horn along the inner wall of mounting groove, has increased incomplete ink outflow speed and stability, has also reduced the possibility of ink horn vibration simultaneously, has increased the stability of ink horn.

Compared with the prior art, the ink injection machine provided by the invention has the following beneficial effects:

1. the ink injection needle is taken out of the ink box, the ink injection process can be continuously carried out without the need of controlling the ink injection needle again by a user, and the ink injection efficiency of the ink box is increased.

2. Through the setting of first mounting groove or second mounting groove for the elastic component is after certain elastic deformation, and the elastic component can shrink completely and get into in first mounting groove or the second mounting groove, and make the upper cover plate can the butt on the limiting plate, reduced the pressure that the elastic component received too big and the possibility of damage, increased the reliability of elastic component.

3. Through the setting of syringe needle board, realized annotating the detachable connection of black syringe needle and upper cover plate, the user of being convenient for changes different syringe needles to pour into different ink in different ink horn.

4. Through the arrangement of the ink outlet holes, the ink at the spray head can flow out of the ink injector from the position of the ink outlet holes, so that the influence of the original ink on the ink injection of the ink box is reduced.

5. Through the setting of the pipeline of breathing in, the user can directly peg graft on the pipeline of breathing in with the pipe fitting of breathing in, has realized breathing in to all play black hole, and the in-process of breathing in has simultaneously further accelerated the speed that the incomplete ink flows out the ink horn through play black hole, has increased the clear efficiency of incomplete ink.

Drawings

The above features, technical features, advantages and implementation of an ink jet machine will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clearly understandable manner.

FIG. 1 is a schematic view of an assembly of an ink jet, a carriage, and an ink cartridge assembly of the present invention;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is a schematic view of a needle plate of an ink jet machine according to the present invention;

FIG. 4 is a schematic view of a lower cover assembly of an ink jet machine according to the present invention;

FIG. 5 is a schematic view showing the internal structure of a lower cover plate in an ink jet machine according to the present invention;

fig. 6 is an enlarged view at B of fig. 5.

Reference numerals illustrate: 10. the cartridge assembly 30, the liquid drive apparatus 40, the upper cover assembly 41, the upper mounting plate 42, the upper cover plate 421, the upper cover aperture 422, the connecting aperture 423, the plate slot 43, the upper support bracket 44, the upper drive apparatus 45, the stop plate 451, the second mounting slot 452, the stop aperture 46, the resilient member 47, the first stop lever 471, the first linear bearing 48, the second stop lever 481, the second linear bearing 49, the needle plate 491, the ink injection aperture 50, the lower cover assembly 51, the lower cover plate 511, the mounting slot 512, the ink outlet aperture 513, the air intake duct 514, the extension aperture 515, the air intake duct 516, the air intake aperture 517, the lower mounting plate 52, the lower drive apparatus 53, the

lower stop lever

54, 541, the third linear bearing 55, the locating pin 56, the lower connecting rod.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For the sake of simplicity of the drawing, the parts relevant to the present invention are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. As used herein, "a" means not only "only one of" but also "more than one of" the same.

According to an embodiment of the present invention, as shown in fig. 1 and 2, an ink injector includes a plurality of horizontally oriented holders 10 at an ink cartridge processing station, the holders 10 being formed of a double-layered aluminum profile, and two parallel holders 10 being disposed at the station. The upper side of the bracket 10 is provided with an upper cover assembly 40, the lower side of the bracket 10 is provided with a lower cover assembly 50, the upper cover assembly 40 and the lower cover assembly 50 can jointly clamp the middle ink box assembly 20, and a plurality of ink boxes are arranged in the ink box assembly 20; the ink loader also includes an ink loader assembly including an ink loader needle (not shown) for loading the ink cartridge, which is preferably disposed on the upper cover assembly 40.

The lower cover assembly 50 includes a lower fixing plate 52 disposed on the support 10, a lower cover plate 51 for mounting the ink cartridge is disposed at an upper end of the lower fixing plate 52, a lower driving device 53 for driving the lower cover plate 51 to move is further disposed on the lower fixing plate 52, the lower driving device 53 mainly refers to a device for driving an object to move linearly, such as a cylinder, an oil cylinder, a screw rod, etc., in this embodiment, the lower driving device 53 is preferably a cylinder, a telescopic rod of the cylinder can be disposed on the lower cover plate 51 at an upper side of the lower fixing plate 52, and is used for driving the lower cover plate 51 to move along an axial direction of the cylinder, that is, for driving the lower cover plate 51 to slide up and down.

The upper cover assembly 40 comprises an upper fixing plate 41 arranged on the bracket 10, an upper cover plate 42 is arranged on the upper fixing plate 41, a plurality of upper cover pinholes 421 used for allowing the ink injection needle to pass through are arranged on the upper cover plate 42, and the positions of the upper cover pinholes 421 are consistent with the positions of the ink injection holes on the ink box; the upper cover plate 42 is vertically adjustable in height, the upper fixing plate 41 is further provided with an upper driving device 44 for adjusting the height of the upper cover plate 42, and the ink injection needle can be arranged on the upper cover plate 42.

Specifically, the front and rear brackets 10 are provided with upper support frames 43 in the vertical direction, the upper support frames 43 can be fixedly connected to the brackets 10 through bolts, and the upper fixing plate 41 can be fixed to the brackets 10 through the upper support frames 43. The upper driving device 44 is used for adjusting the height of the upper cover plate 42 in the vertical direction; the upper driving device 44 mainly refers to a device for driving an object to move linearly, such as a cylinder, an oil cylinder, a screw, etc., in this embodiment, the upper driving device 44 is preferably a cylinder, and a telescopic rod of the cylinder can be disposed on the upper cover plate 42 below the upper fixing plate 41, so as to drive the upper cover plate 42 to move along the axial direction of the cylinder, that is, to drive the upper cover plate 42 to slide up and down.

The lower extreme of upper cover plate 42 still is equipped with limiting plate 45, and limiting plate 45 can be connected on upper cover plate 42 of upside through elastic component 46, and elastic component 46 is the spring preferentially, and has seted up a plurality of spacing pinhole 452 that are used for annotating the china ink syringe needle to pass on the limiting plate 45, and the quantity and the position of spacing pinhole 452 are unanimous with upper cover pinhole 421's quantity and position.

The ink injection assembly further comprises a connecting pipe (not shown in the figure), one end of the connecting pipe is connected to the ink injection needle, and the other end of the connecting pipe can be connected to an ink source (not shown in the figure); preferably, the ink filling assembly further comprises a liquid driving device 30 arranged on the upper cover assembly 40, wherein the liquid driving device mainly refers to a peristaltic pump, and the middle part of the connecting pipe can be embedded in the peristaltic pump, so that the ink in the connecting pipe can be directionally moved.

After the ink box assembly 20 moves to the corresponding station, the sensor of the station can sense the arrival of the ink box assembly 20 and drive the lower driving device 53 to move so as to drive the lower cover plate 51 to move upwards, the ink box is filled in the lower cover plate 51, and similarly, drive the upper driving device 44 to move so as to drive the upper cover plate 42 to move, and the ink injection needle head and the limiting plate 45 arranged on the upper cover plate 42 can move downwards along with the upper cover plate 42; when the limiting plate 45 abuts against the ink box, the upper cover plate 42 continues to move downwards, the elastic piece 46 is pressed and elastically deformed, and meanwhile, the ink injection needle can be inserted into the ink box and starts to inject ink into the ink box.

After the ink filling is completed, the upper driving device 44 controls the upper cover plate 42 to be far away from the ink box, but due to the arrangement of the elastic piece 46, the elastic piece 46 starts to recover elastic deformation and still abuts against the ink box, but the ink filling needle head is far away from the ink box along with the upper cover plate 42, the ink filling needle head is taken out from the ink box, the ink filling needle head can be separated from the ink box without the control of a user again, the ink filling process can be continuously carried out, and the ink filling efficiency of the ink box is increased.

According to another embodiment of the present invention, as shown in fig. 1 to 3, an ink jet machine is provided, and this embodiment is different from the first embodiment in that the upper cover assembly 40 is different.

On the basis of the first embodiment, a side of the upper cover plate 42 away from the upper fixing plate 41, i.e., a lower side of the upper cover plate 42 is provided with a first mounting groove (not shown) for mounting the elastic member 46, and/or a side of the limiting plate 45 near the upper fixing plate 41, i.e., a lower side of the limiting plate 45 is provided with a second mounting groove 451 for mounting the elastic member 46.

Through the setting of first mounting groove or second mounting groove 451 for the elastic component 46 is after this compression, promptly after certain elastic deformation, in the elastic component 46 can shrink completely gets into first mounting groove and/or second mounting groove 451, and make upper cover plate 42 can the butt on limiting plate 45, reduced the pressure that elastic component 46 received, avoided elastic component 46 because of the too big possibility of damaging of pressure that receives, increased the reliability of elastic component 46.

For the improvement of the above embodiment, in this embodiment, the limiting plate 45 is provided with a plurality of second limiting rods 48, in this embodiment, four second limiting rods 48 are provided, and axes of the four second limiting rods 48 are parallel to the moving direction of the upper cover plate 42, that is, the four second limiting rods 48 are vertically provided on the limiting plate 45, and an upper end of the second limiting rod 48 is penetratingly provided on the upper fixing plate 41.

The setting of second gag lever post 48 has increased the constraint between limiting plate 45 and the upper fixed plate 41, has reduced the possibility that limiting plate 45 rocked when upper cover plate 42 drove limiting plate 45 motion, has increased the stability of limiting plate 45 for limiting plate 45 can the stabile butt on the ink horn. Preferably, the upper ends of two adjacent second limit rods 48 can be connected through the first connecting rod, so that the constraint between the second limit rods 48 is increased, the constraint between the limit plate 45 and the upper fixing plate 41 is further increased, and the stability of the limit plate 45 during movement is further increased.

Preferably, the second limiting rod 48 is arranged on the upper cover plate 42 in a penetrating way, and the upper cover plate 42 is provided with a connecting hole 422 for the second limiting rod 48 to penetrate through. When the second limiting rod 48 is arranged on the upper cover plate 42 in a penetrating manner, the constraint between the upper cover plate 42 and the limiting plate 45 is increased, the possibility that the upper cover plate 42 shakes when the upper driving device 44 drives the upper cover plate 42 to move is reduced, the constraint when the upper cover plate 42 moves is increased, and the stability of the upper cover plate 42 is increased, so that the upper cover plate 42 can stably drive the ink injection needle to be inserted into the ink box to enter ink injection.

Further preferably, the upper fixing plate 41 is further provided with a plurality of second linear bearings 481, and the second linear bearings 481 can be sleeved on the second limiting rod 48, so that the possibility of shaking when the second limiting rod 48 slides on the upper fixing plate 41 is further reduced, and the stability of the second limiting rod 48 during sliding is improved.

For the improvement of the above embodiment, in this embodiment, the upper cover plate 42 is provided with a plurality of first limiting rods 47, in this embodiment, four first limiting rods 47 are also provided, and axes of the four first limiting rods 47 are parallel to the moving direction of the upper cover plate 42, that is, the four first limiting rods 47 are also vertically provided, and the first limiting rods 47 are disposed on the upper fixing plate 41 in a penetrating manner. Through the setting of first gag lever post 47, increased the constraint between upper cover plate 42 and the upper fixed plate 41, reduced when upper drive arrangement 44 drove upper cover plate 42 motion, reduced upper cover plate 42 and rocked the possibility, increased upper cover plate 42's stability.

Further preferably, the upper fixing plate 41 is further provided with a plurality of first linear bearings 471, and the first linear bearings 471 can be sleeved on the first limiting rods 47, so that the possibility of shaking when the first limiting rods 47 slide on the upper fixing plate 41 is further reduced, and the stability of the first limiting rods 47 during sliding is improved.

In this embodiment, the upper cover plate 42 is provided with the needle plate 49, the needle plate 49 is provided with a plurality of ink injecting holes 491 for allowing the ink injecting needles to pass through, and the ink injecting needles are provided on the needle plate 49. Through the provision of the needle plate 49, a detachable connection of the ink-filling needle with the upper cover plate 42 is achieved, facilitating the replacement of different needles by the user for filling different inks in different cartridges.

Preferably, the number of ink filling holes 491 on the needle plate 49 is smaller than the number of cap needle holes 421, and different types of ink can be filled into different ink cartridges by changing the needle plate 49 for different types of ink.

Further preferably, a plate groove 423 for installing the needle plate 49 is formed on one side of the upper cover plate 42 close to the upper fixing plate 41, namely, the upper side of the upper cover plate 42, and the needle plate 49 is clamped in the plate groove 423. When the needle plate 49 needs to be replaced, the needle plate 49 is directly taken out from the plate groove 423, and a new needle plate 49 is pressed in the plate groove 423, so that the replacement of the needle plate 49 can be realized, and then the replacement of the type of ink injected into the ink box can be realized.

According to still another embodiment of the present invention, as shown in fig. 1, 4, 5 and 6, an ink jet machine is provided, and this embodiment is different from the first embodiment in that the lower cover assembly 50 is different.

The lower fixing plate 52 is further provided with a plurality of lower limiting rods 54 in a penetrating manner, the number of the lower limiting rods 54 is four in the embodiment, the plurality of lower limiting rods 54 are arranged in parallel, and the plurality of lower limiting rods 54 are arranged vertically. The lower ends of the adjacent two lower limit rods 54 can also be connected through a lower connecting rod 56, and the two lower limit rods 54 connected by the lower connecting rod 56 can jointly restrict the movement of the lower cover plate 51.

The upper end of the lower limiting rod 54 can be arranged on the lower cover plate 51, and the lower driving device 53 can be detachably connected with the lower cover plate 51, so that the lower cover plate 51 can be replaced conveniently. And each lower limit rod 54 is sleeved with a third linear bearing 541, so that the possibility of shaking of the lower cover plate 51 in the moving process is reduced, and the stability of the lower cover plate 51 is improved.

The upper side of the lower cover plate 51 is also provided with a mounting groove 511 for mounting the ink cartridge, the ink cartridge in the ink cartridge assembly 20 can be mounted in the mounting groove 511, and the mounting groove 511 is adapted to the shape of the ink cartridge. When the ink filling is completed, residual ink overflowed from the nozzle exists at the bottom of the mounting groove 511, and part of residual ink exists on the ink box cover after the ink filling is completed; the mounting groove 511 can be provided with an ink outlet 512 for discharging residual ink, the upper end of the ink outlet 512 is communicated with the mounting groove 511, and the residual ink can flow out from the ink outlet 512 and separate from the ink box, so that the residual ink is cleaned. Preferably, the ink outlet 512 is provided at a lower end inside the mounting groove 511.

In this embodiment, the outer end of the ink outlet 512 can also be connected to a suction pump to suck air outwards, so as to further accelerate the outflow of residual ink and increase the cleaning efficiency of residual ink. The lower cover plate 51 is provided with a plurality of mounting grooves 511, the lower end of each mounting groove 511 is provided with an ink outlet 512, the lower cover plate 51 is internally provided with an air suction pipeline 513, the air suction pipeline 513 is communicated with a plurality of ink outlet 512, and the air suction pipeline 513 is horizontally arranged in the lower cover plate 51; at least one end of the air suction pipe 513 is communicated with the outside, and preferably, both ends of the air suction pipe 513 are communicated with the outside; in this embodiment, one end or two ends of the air suction pipe 513, which are communicated with the outside, can be connected to the air suction pump to suck air into the ink outlet 512, so that air suction to all the mounting grooves 511 is realized, and meanwhile, in the air suction process, the speed of residual ink flowing out of the ink box through the ink outlet 512 is further accelerated, and the efficiency of residual ink cleaning is increased.

Preferably, an extension hole 514 communicating with the ink outlet hole 512 is formed in the lower cover plate 51, the extension hole 514 is vertically formed in the lower cover plate 51, and the extension hole 514 is formed on the inner wall of the mounting groove 511, preferably, the extension hole 514 is formed at a corner of the mounting groove 511.

Through the arrangement of the extending holes 514, the air suction pipeline 513 can start to suck air for the ink boxes with various heights, the air suction area of the air suction pipeline 513 is increased, the air flow speed of the surface of the ink boxes is increased, the speed of residual ink flowing out of the ink boxes through the ink outlet holes 512 is further accelerated, and the residual ink cleaning efficiency is increased.

Preferably, an air inlet pipeline 515 is further arranged in the lower cover plate 51, the air inlet pipeline 515 is parallel to the air suction pipeline 513, an air inlet hole 516 which is communicated with the air inlet pipeline 515 and the mounting groove 511 is arranged in the lower cover plate 51, and preferably, the opening position of the air inlet hole 516 is higher than the height of the ink outlet hole 512; through the arrangement of the air inlet pipeline 515, the balance of air flow in the mounting groove 511 is realized, residual ink outside the ink box can leave the ink box along the inner wall of the mounting groove 511 along the air flow direction, the speed and the stability of the outflow of the residual ink are increased, the possibility of vibration of the ink box is reduced, and the stability of the ink box is increased.

Preferably, the lower cover plate 51 is provided with a plurality of positioning pins 55 for penetrating the ink cartridge assembly 20, and in particular, the positioning pins 55 may be provided in plurality, and the positioning pins 55 are provided at four corners of the upper side of the lower cover plate 51. By providing the positioning pins 55, the ink cartridge assembly 20 is conveniently mounted on the lower cover plate 51, and the possibility of assembly errors between the ink cartridge assembly 20 and the lower cover plate 51 is reduced. Preferably, the upper end of the locating pin 55 is pointed to facilitate entry of the locating pin 55 into the cartridge assembly 20.

Preferably, the lower cover plate 51 is further provided with a plurality of limiting holes 517, the limiting holes 517 are counter bores, a user can pass through the limiting holes 517 through the bolts to be connected to the lower limiting rod 54 in a threaded manner, the lower limiting rod 54 and the lower cover plate 51 are fixed, the lower limiting rod 54 and the lower cover plate 51 are detachably connected, and the lower cover plate 51 is convenient to replace.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims

1. An ink injection machine is characterized by comprising an upper cover assembly, a lower cover assembly and an ink injection assembly, wherein the upper cover assembly, the lower cover assembly and the ink injection assembly are arranged on a bracket, and the ink injection assembly comprises an ink injection needle used for injecting ink into an ink box;

the lower cover assembly comprises a lower fixing plate arranged on the bracket, a lower cover plate for installing the ink box is arranged on the lower fixing plate, the height of the lower cover plate in the vertical direction is adjustable, and a lower driving device for adjusting the height of the lower cover plate is also arranged on the lower fixing plate;

the upper cover assembly comprises an upper fixing plate arranged on the bracket, an upper cover plate is arranged on the upper fixing plate, a plurality of upper cover pinholes used for the ink injection needle to pass through are formed in the upper cover plate, the height of the upper cover plate in the vertical direction is adjustable, and an upper driving device used for adjusting the height of the upper cover plate is further arranged on the upper fixing plate; the ink injection needle is arranged on the upper cover plate;

a limiting plate is further arranged on one side, far away from the upper fixing plate, of the upper cover plate, the limiting plate is connected to the upper cover plate through an elastic piece, and a plurality of limiting pinholes used for the ink injection needle to penetrate through are further formed in the limiting plate;

the limiting plate is provided with a plurality of second limiting rods, the axes of the second limiting rods are parallel to the moving direction of the upper cover plate, and the second limiting rods are arranged on the upper fixing plate in a penetrating mode;

the second limiting rod is arranged on the upper cover plate in a penetrating manner, and a connecting hole for the second limiting rod to penetrate through is formed in the upper cover plate;

the upper cover plate is provided with a needle head plate, the needle head plate is provided with a plurality of ink injection needle holes for the ink injection needles to pass through, and the ink injection needles are arranged on the needle head plate; a plate groove for installing the needle head plate is formed in one side, close to the upper fixing plate, of the upper cover plate, and the needle head plate is clamped in the plate groove;

the lower cover plate is provided with an installation groove for installing the ink box, and the bottom of the installation groove is provided with an ink outlet hole for residual ink to flow out.

2. An ink jet machine as claimed in claim 1, wherein:

the upper cover plate is provided with a plurality of first limiting rods, the axes of the first limiting rods are parallel to the moving direction of the upper cover plate, and the first limiting rods penetrate through the upper fixing plate.

3. An ink jet machine as claimed in claim 1, wherein:

a first mounting groove for mounting the elastic piece is formed in one side, away from the upper fixing plate, of the upper cover plate;

and/or;

and a second mounting groove for mounting the elastic piece is formed in one side, close to the upper fixing plate, of the limiting plate.

4. An ink jet machine as claimed in claim 1, wherein,

the mounting grooves on the lower cover plate are formed in a plurality, the lower cover plate is internally provided with an air suction pipeline, and the air suction pipeline is communicated with the ink outlet holes.

5. An ink jet machine as claimed in claim 4, wherein,

an air inlet pipeline is arranged in the lower cover plate, and an air inlet hole which is communicated with the air inlet pipeline and the mounting groove is also arranged in the lower cover plate.