CN105730014B - Inkjet print head unit - Google Patents
Inkjet print head unit Download PDFInfo
- Publication number
- CN105730014B CN105730014B CN201610079516.9A CN201610079516A CN105730014B CN 105730014 B CN105730014 B CN 105730014B CN 201610079516 A CN201610079516 A CN 201610079516A CN 105730014 B CN105730014 B CN 105730014B
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- China
- Prior art keywords
- ink
- solenoid valve
- valve base
- nozzle body
- print head
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
Abstract
The present invention provides a kind of inkjet print head unit, it includes：Solenoid valve base, it is fixedly arranged on nozzle housing, is equipped with ink-feed channel in the solenoid valve base, the solenoid valve base is equipped with ink supply solenoid valve, and the ink supply solenoid valve is connected with the ink-feed channel；Datum plate, it is fixedly arranged on the nozzle housing and positioned at the rear of the solenoid valve base, the datum plate is equipped with the nozzle body that can be adjusted, the nozzle body is connected with the ink supply solenoid valve, the rear of the nozzle body is correspondingly provided with charging pole, the rear of the charging pole is equipped with ink droplet deflection mechanism, and the rear of the ink droplet deflection mechanism is equipped with is both secured to the datum plate with the corresponding recover of the nozzle body, charging pole, the ink droplet deflection mechanism and the recover.The present invention has the advantages that convenient adjusting nozzle, avoids recover deformation, prevents nozzle housing ink overflow, facilitating heating ink, and installation is simple, easy to use, stable and reliable in work, long lifespan.
Description
Technical field
The present invention relates to inkjet printing technology field, is specifically a kind of inkjet print head unit.
Background technology
Ink jet numbering machine is that one kind is controlled by software at present, the equipment being identified using cordless on product, its
It can be divided into continuous ink jet technology (CIJ, continue ink jet printer) and drop on demand ink jet technology according to operation principle
(DOD, drop on demand) etc., its ink-jet principle are that the deflection of ink droplet is controlled by ink droplet arrangement for deflecting, thus ink droplet
Beat and identified in product surface diverse location, various words, pattern etc. needed for formation respectively.
Specifically, under software control, by controlling inner teeth wheel pump or by machine exterior compressed gas supplying, to spray
Ink in ink recorder system applies certain pressure, ink is projected via the nozzle of tens micron pore sizes, is formed continuous
The line of ink marker, the line of ink marker continuously projected split into because putting on the crystal oscillation signal above nozzle frequency it is identical, it is equal in magnitude,
Away from certain ink droplet, then, ink droplet by being charged respectively during charging electrode, its carried charge size is by central processing unit
CPU is controlled, and then by deflecting electric field, make under the action of electric field force ink droplet formed in substrate different words,
Pattern etc. identifies, and the recovered device of ink droplet for not forming word is recovered to ink storage device recycling.
But existing ink jet numbering machine device nozzle adjusts inconvenience, the line of ink marker easily deviates in use, causes it to make
The inconvenience used, and charging pole of the prior art is usually sheet metal component, and it is fixed on spray by a less screw
On mouth body, mounting means is complicated, inconvenient, and is easily deformed during maintenance, and recover is installed on recover seat, and positioned at printing
The bottom of system, installation is unstable, easily collides with deformation, while also there is electromagnetism valve plate bottom that ink overflow, low temperature easily occurs
Difficult, the black pipe of heating ink designs the problems such as complicated under environment.
In view of the above-mentioned problems of the prior art, the present inventor combines the design and use of related manufacturing field for many years
Experience, is aided with too strong professional knowledge, there is provided a kind of inkjet print head unit, to overcome drawbacks described above.
The content of the invention
The object of the present invention is to provide a kind of inkjet print head unit, for improving or overcoming the one of existing ink jet-print head
Item or multinomial defect.
The above-mentioned purpose of the present invention can be realized using following technical proposal：
The present invention provides a kind of inkjet print head unit, it includes：Solenoid valve base, it is fixedly arranged on nozzle housing, institute
State in solenoid valve base and be equipped with ink-feed channel, the solenoid valve base is equipped with ink supply solenoid valve, the ink supply solenoid valve and institute
Ink-feed channel is stated to be connected；Datum plate, it is fixedly arranged on the nozzle housing and positioned at the rear of the solenoid valve base, described
Datum plate is equipped with the nozzle body that can be adjusted, and the nozzle body is connected with the ink supply solenoid valve, the rear of the nozzle body
Be correspondingly provided with charging pole, the rear of the charging pole is equipped with ink droplet deflection mechanism, the rear of the ink droplet deflection mechanism equipped with
The corresponding recover of nozzle body, charging pole, the ink droplet deflection mechanism and the recover are both secured to described
Datum plate；
Wherein, the nozzle body is equipped with adjustable plate, and the front and rear sides of the adjustable plate are respectively equipped with a screw hole, described
The threaded hole that adjustable plate is threaded through in two screw holes to be connected on the datum plate by two screws, the adjustable plate
The diameter of screw hole is more than the diameter of the diameter of the screw rod of the screw and the nut less than the screw, and the adjustable plate is in two
It is equipped between a screw hole and adjusts perforate, eccentric adjusting axis is equipped with the adjusting perforate, the eccentric adjusting axis
Bottom is revolvable in the elongated slot of the datum plate；
The recover upper end plugs the bend pipe of stainless steel, and one end of the bend pipe and the internal chamber of the recover connect
Logical, the other end of the bend pipe is in horizontally disposed and, the side of the recover opposite with the ejiction opening of the nozzle body that be open
Jackscrew is set, and one end that the jackscrew stretches into the recover abuts against the bend pipe.
In a preferred embodiment, the charging pole upper end is equipped with fluting, and the ejiction opening of the nozzle body is opened with described
Groove is oppositely arranged.
In a preferred embodiment, the ink droplet deflection mechanism includes hardboard and zero pole plate, the hardboard and institute
State and electric field space is equipped between zero pole plate, the electric field space is oppositely arranged with the fluting.
In a preferred embodiment, the inkjet print head unit further includes heating plate, and the heating plate is posted by institute
The lower section of solenoid valve base is stated, the heating plate is fixed on the solenoid valve base by heating plate gland below, and leads to
Cross the solenoid valve base and be fixed on the nozzle housing.
In a preferred embodiment, gasket, the solenoid valve are equipped between the datum plate and the nozzle housing
Gasket is equipped between base and the nozzle housing.
In a preferred embodiment, the solenoid valve base is equipped with adapter, and the adapter has ink-jet pipeline,
The nozzle body has ink entrance, and the ink supply solenoid valve is connected by the ink-jet pipeline with the ink entrance.
In a preferred embodiment, flushing channel is equipped with the solenoid valve base, the solenoid valve base is equipped with
Solenoid purge valve, the solenoid purge valve are connected with the flushing channel, and the solenoid purge valve passes through the ink-jet pipeline
It is connected with the ink entrance.
In a preferred embodiment, return flow line is equipped with the solenoid valve base, reflux is equipped with the adapter
Pipeline, the nozzle body have refluxing opening, and the refluxing opening is connected by the reflux line with the return flow line.
Inkjet print head unit of the present invention easily can be adjusted adjustable plate by adjusting eccentric adjusting axis, and then
Realize the adjusting of the line of ink marker sprayed to nozzle body, and fixed adjustable plate and datum plate by the screw of eccentric adjusting axis both sides,
Ensure that the line of ink marker does not deviate by the course of work；By setting gasket between datum plate and nozzle housing, and solenoid valve base with
Gasket is set between nozzle housing, can effectively be prevented in ink-jet or cleaning process, ink or cleaning solution spill into nozzle shell
In vivo, the stability of nozzle housing internal circuitry is ensured, structure is reliable, good airproof performance；By being arranged at solenoid valve base
The heating plate of lower section, it is convenient to heated to ink, make ink keep normal viscosity at low ambient temperatures, prevent temperature
Situation about can not work when low occurs, and heating is fast；By the way that recover is arranged at ink droplet deflection mechanism rear and is fixed on benchmark
On plate, the protection of nozzle housing and datum plate to recover is added, solid stabilization is installed, and avoided in the course of work to recycling
The collision of device, extends its service life；Overall construction design of the present invention is reasonable, and number of parts is few, and installation is simple, easy to use,
Stable and reliable in work, long lifespan, cost is low, and is independent design between each parts, can carry out independent replace without influencing
Miscellaneous part.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural decomposition diagram of the present invention；
Fig. 2 is the overlooking the structure diagram of the present invention；
Fig. 3 is the dimensional structure diagram (being free of hardboard) of the present invention；
Fig. 4 is the nozzle body of the present invention and the structure diagram of adjustable plate；
Fig. 5 is the structure diagram of the datum plate of the present invention；
Fig. 6 is the solenoid valve base of the present invention and the structure diagram of adapter；
Fig. 7 is the solenoid valve base of the present invention and the stereochemical structure decomposing schematic representation of adapter；
Fig. 8 is the dimensional structure diagram of the solenoid valve base of the present invention；
Fig. 9 looks up structural decomposition diagram for solenoid valve base and heating plate of the invention；
Figure 10 is the structural decomposition diagram of solenoid valve base of the invention, heating plate and heating plate gland；
Figure 11 is the structure diagram of the charging pole of the present invention；
Figure 12 is the mounting structure schematic diagram of recover of the invention, bend pipe and datum plate；
Figure 13 is the recover of the present invention and the mounting structure schematic diagram of bend pipe.
Drawing reference numeral explanation：
1 nozzle housing, 2 datum plates, 3 gaskets, 4 elongated slots, 5 nozzle bodies, 6 adjustable plates, 7 eccentric adjusting axis, 8 screws, 9 fill
Electrode, 10 binding posts, 11 hardboards, 12 0 pole plates, 13 recovers, 14 bend pipes, 15 jackscrews, 16 solenoid valve bases, 17 gaskets,
18 ink supply solenoid valves, 19 solenoid purge valves, 20 contact blocks, 21 first connect mouth, and 22 second connect mouth, and 23 the 3rd connect mouth, and 24 the 4th connect
Mouth, 25 the 5th connect mouth, 26 ink entrances, 27 refluxing openings, 28 adapters, 29 gaskets, 30 heating plates, 31 heating plate glands, and 32
Ink droplet, 33 flutings, 34 ink-feed channels, 35 flushing channels, 36 return flow lines.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
As shown in Fig. 1 to Fig. 3, Fig. 8, the present invention provides a kind of inkjet print head unit, it includes：Solenoid valve base 16,
It is fixedly arranged on nozzle housing 1, and ink-feed channel 34 is equipped with the solenoid valve base 16, and the solenoid valve base 16, which is equipped with, to be supplied
Black solenoid valve 18, the ink supply solenoid valve 18 are connected with the ink-feed channel 34；Datum plate 2, it is fixedly arranged on the nozzle shell
The nozzle body 5 that can be adjusted, the nozzle body are equipped with body 1 and positioned at the rear of the solenoid valve base 16, the datum plate 2
5 are connected with the ink supply solenoid valve 18, and the rear of the nozzle body 5 is correspondingly provided with charging pole 9, the rear of the charging pole 9
Equipped with ink droplet deflection mechanism, the rear of the ink droplet deflection mechanism be equipped with the corresponding recover 13 of the nozzle body 5, it is described
Charging pole 9, the ink droplet deflection mechanism and the recover 13 are both secured to the datum plate 2.
Further, as shown in Figures 1 to 5, the nozzle body 5 is equipped with adjustable plate 6, the front and rear sides of the adjustable plate 6
A screw hole is respectively equipped with, the adjustable plate 6 is threaded through in two screw holes by two screws 8 to be connected to the benchmark
On plate 2, the adjustable plate 6 is equipped between two screw holes adjusts perforate, and eccentric tune is equipped with the adjusting perforate
Nodal axisn 7, specifically, datum plate 2 is equipped with threaded hole corresponding with two screw holes on adjustable plate 6, so that screw 8 is worn admittedly
It is fixed, and the diameter of the screw hole of adjustable plate 6 is more than the screw rod of screw 8, but less than the nut of screw 8, can be to adjusting with realization
The fine setting of 6 position of plate, is equipped with elongated slot 4 between two threaded holes on datum plate 2, the bottom of eccentric adjusting axis 7 is embedded in elongated slot 4
Interior, the upper end of eccentric adjusting axis 7 is in the adjusting perforate of adjustable plate 6, the recessed interior hexagonal opening in upper end of eccentric adjusting axis 7,
When needing to adjust the position of adjustable plate 6, the screw 8 of front end or rear end is first loosened, is then rotated again by allen wrench inclined
Heart adjustment axis 7, the bottom of eccentric adjusting axis 7 then drive adjustable plate 6 to move in rotation, the upper end of eccentric adjusting axis 7 in elongated slot 4,
And then the relative position between datum plate 2 and adjustable plate 6 is changed, position adjustment thus is carried out to nozzle body 5, to ensure
The line of ink marker that nozzle body 5 sprays will not deflect, and can also avoid causing the line of ink marker to cannot be introduced into recover 13 because of mismachining tolerance, adjust
Screw 8 is tightened after good, ensures that nozzle body 5 will not deflect under the effect of external force, the line of ink marker does not deviate by.
Further, as shown in Fig. 1 and Figure 11, charging 9 upper end of pole is equipped with fluting 33, the ejection of the nozzle body 5
Mouth is oppositely arranged with the fluting 33, and the ink droplet deflection mechanism includes 11 and zero pole plate 12 of hardboard, 11 He of hardboard
Electric field space is equipped between zero pole plate 12, the electric field space is oppositely arranged with the fluting 33, specifically, ink is through spray
After the ejiction opening of mouth body 5 sprays, for the ink droplet 32 (such as the interrupted ink droplet 32 arranged in straight line) being arranged in array, ink
Drop 32 can be by the fluting 33 for pole 9 of charging, and the lower section of pole 9 of charging is binding post 10, and binding post 10 connects charging wire, can be to flying
The ink droplet 32 for overcharging the fluting 33 of electrode 9 fills certain electricity with, and the size for forming 32 charge volume of each ink droplet of the line of ink marker then may be used
Fill appropriate electricity with as requested, ink droplet 32 charge after by the electric field space of the ink droplet deflection mechanism at 9 rear of pole of charging,
And ink droplet 32 is thus set to fall positioned at ink according to the displacement that the big primary deflector of itself institute's carried charge is different under the action of electric field force
Various characters are formed in the substrate (such as bottle, chest etc.) at drop deflection mechanism rear.
Further, as shown in Fig. 1 to Fig. 3, Figure 12 to Figure 13,13 upper end of recover plugs the bend pipe of stainless steel
14, ensure its rigidity, the opening and the ejiction opening of the nozzle body 5 of the bend pipe 14 are oppositely arranged, specifically, recover 13 is solid
Due on datum plate 2, enabling datum plate 2 protect recover 13 to exempt from collision, recover 13 is internally provided with chamber, recover
The one end for the bend pipe 14 that 13 tops plug and the chamber, the other end of bend pipe 14 is in horizontally disposed and opening and ejiction opening phase
It is right, the ink droplet 32 that ejiction opening sprays is entered the chamber of recover 13 through bend pipe 14 just in the state of not deflecting
In room, in one embodiment, the side of recover 13 can also set jackscrew 15, and one end that jackscrew 15 stretches into recover 13 abuts against
In on bend pipe 14, to avoid bend pipe 14 loosens and influences the reception of ink, preferably, the chamber of recover 13 is also provided with
With ink system (i.e. to the mechanism of the ink-jet solenoid valve supply ink) conduit that is connected, pump is connected with conduit, passes through pump
Driving, the ink collected in recover 13 is come back into ink system, it is cost-effective.
Further, as shown in Figure 9 and Figure 10, the inkjet print head unit further includes heating plate 30, the heating plate
30 are posted by the lower section of the solenoid valve base 16, and the heating plate 30 is connected with the nozzle housing 1, specifically, heating plate
30 are fixed in solenoid valve base 16 by heating plate gland 31 below, and are fixed on nozzle shell by solenoid valve base 16
On body 1, there is contact block 20 in the lower surface of solenoid valve base 16, and contact block 20 reclines with 30 phase of heating plate, and the shape of contact block 20
Shape and size match with heating plate 30, and temperature element is wherein equipped with the ink system of ink jet numbering machine, when temperature element senses
During the temperature in use that the temperature of the ink in ink system is too low rather than system is set, heating plate 30 can be then energized, when adding
After backing 30 is powered, heating plate 30 can be brought rapidly up and transfer heat to solenoid valve base 16,16 temperature liter of solenoid valve base
Internal ink is heated after height, ink can be made to keep normal viscosity at low ambient temperatures.
Further, as shown in Figure 1, being equipped with gasket 3, the electromagnetism between the datum plate 2 and the nozzle housing 1
Gasket 17 is equipped between valve base 16 and the nozzle housing 1, datum plate 2 and solenoid valve base 16 is installed on nozzle housing
It can keep sealing after 1, prevent ink or cleaning solution from leaking into nozzle housing 1, and cause the circuit system event of enclosure interior
Barrier, ensure that the stability of machine.
Further, as shown in Figure 1 to Figure 4, shown in Fig. 6 to Fig. 7, the solenoid valve base 16 is equipped with adapter 28, described
Adapter 28 has ink-jet pipeline, and the nozzle body 5 has ink entrance 26, and the ink supply solenoid valve 18 passes through the ink jet
Road is connected with the ink entrance 26, is equipped with flushing channel 35 in the solenoid valve base 16, in the solenoid valve base 16
Equipped with solenoid purge valve 19, the solenoid purge valve 19 is connected with the flushing channel 35, and the solenoid purge valve 19 passes through
The ink-jet pipeline is connected with the ink entrance 26, further, return flow line is equipped with the solenoid valve base 16
36, the adapter 28 is interior to be equipped with reflux line, and the nozzle body 5 has refluxing opening 27, and the refluxing opening 27 passes through described time
Flow tube road is connected with the return flow line 36；
More specifically, gasket 29, to ensure to seal, solenoid valve base are equipped between adapter 28 and solenoid valve base 16
16 one end connects mouth 21 equipped with first side by side, second connects mouth 22 and the 3rd and connect mouth 23, and first connects mouth 21 connects with return flow line 36,
Second connects mouth 22 connects with ink-feed channel 34, and the 3rd connects mouth 23 connects with flushing channel 35, meanwhile, in solenoid valve base 16
One end of the adapter 28 of side connects mouth 24 and the 5th equipped with the 4th side by side (particularly away from first one end for connecing mouth 21) and connects mouth
25, the 4th connects one end of mouth 24 and the ink feed conduits of adapter 28 connect, and the other end can pass through pipeline (such as hose) and nozzle
The ink entrance 26 of body 5 connects, and the 5th connects one end of mouth 25 and the reflux line of adapter 28 connects, and the other end can pass through pipeline
Connected with the refluxing opening 27 of nozzle body 5.
When carrying out ink-jet work, ink connects mouth 22 through second from ink system and enters the inkjet print head unit of the present invention
After ink-feed channel 34 in solenoid valve base 16, ink supply solenoid valve 18 is opened, and ink enters ink supply solenoid valve from ink-feed channel 34
18, then from ink supply solenoid valve 18 into the ink-jet pipeline of adapter 28, and connect mouth 24 through the 4th by ink-jet pipeline and enter nozzle body 5
Ink entrance 26, the refluxing opening 27 on nozzle body 5 is in closed mode at this time, and ejiction opening of the ink through nozzle body 5 sprays, and is in
The line of ink marker being made of multiple interrupted ink droplets 32, ink droplet 32 are applied in appropriate electricity by the fluting 33 for pole 9 of charging, carry
The ink droplet 32 of electricity deflects under the electric field force effect of ink droplet deflection mechanism and falls real in the substrate at 13 rear of recover
Existing coding printing, the ink droplet 32 without carried charge do not deflect in electric field space, are directly entered the ejiction opening with nozzle body 5
In the bend pipe 14 being oppositely arranged, and enter recover 13 through bend pipe 14, the ink then collected in recover 13 can by with
The conduit that ink system is connected is back in ink system；
When carrying out cleaning, cleaning solution through the 3rd connect mouth 23 enter solenoid valve base 16 in flushing channel 35 after,
Solenoid purge valve 19 is opened, and cleaning solution enters solenoid purge valve 19 from flushing channel 35, then enters from solenoid purge valve 19 and transfer
The ink-jet pipeline of seat 28, and the ink entrance 26 for connecing the entrance nozzle body 5 of mouth 24 through the 4th by ink-jet pipeline, at this time on nozzle body 5
Refluxing opening 27 in opened condition, the part into the cleaning solution of nozzle body 5 is sprayed from the ejiction opening of nozzle body 5, can be to spray
Outlet is cleaned, and directly through the fluting 33 and electric field space of charging pole 9, is entered into bend pipe 14, and through bend pipe 14
Recover 13, the waste liquid then collected in recover 13 can be back in container by conduit, into the cleaning solution of nozzle body 5
Another part enter the reflux line of adapter 28 from the refluxing opening 27 of nozzle body 5, then enter solenoid valve bottom through reflux line
The return flow line 36 of seat 16, and connect mouth 21 from first connected with return flow line 36 and be back in container.
Inkjet print head unit of the present invention easily can be adjusted adjustable plate 6 by adjusting eccentric adjusting axis 7, into
And realize the adjusting of the line of ink marker sprayed to nozzle body 5, and by the screws 8 of 7 both sides of eccentric adjusting axis by adjustable plate 6 and datum plate
2 fix, and ensure that the line of ink marker does not deviate by the course of work；By setting gasket 3, and electromagnetism between datum plate 2 and nozzle housing 1
Gasket 17 is set between valve base 16 and nozzle housing 1, can effectively be prevented in ink-jet or cleaning process, ink or cleaning solution
Spill into nozzle housing 1, ensure the stability of 1 internal circuitry of nozzle housing, structure is reliable, good airproof performance；By setting
It is placed in the heating plate 30 of the lower section of solenoid valve base 16, it is convenient to ink is heated, ink is kept at low ambient temperatures
Normal viscosity, situation about can not work when preventing temperature low occur, and heating is fast；Deflected by the way that recover 13 is arranged at ink droplet
Mechanism rear and it is fixed on datum plate 2, adds the protection of nozzle housing 1 and datum plate 2 to recover 13, installs solid steady
It is fixed, and the collision in the course of work to recover 13 is avoided, extend its service life；Overall construction design of the present invention is reasonable, and zero
Number of packages amount is few, and installation is simple, and easy to use, stable and reliable in work, long lifespan, cost is low, and is independently to set between each parts
Meter, can carry out independent replace without influencing miscellaneous part.
The above is only presently preferred embodiments of the present invention, and limitation in any form is not done to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, has in any technical field
Usual skill, in the range of technical solution of the present invention is not departed from, when the technology contents using the disclosure above make it is a little
The equivalent embodiment of equivalent variations is changed or is modified to, as long as being the content without departing from technical solution of the present invention, according to the present invention
Any simple modification, equivalent change and modification for being made to above example of technical spirit, still fall within the technology of the present invention side
In the range of case.
Claims (8)
1. a kind of inkjet print head unit, it is characterised in that the inkjet print head unit includes：
Solenoid valve base, it is fixedly arranged on nozzle housing, and ink-feed channel, the solenoid valve base are equipped with the solenoid valve base
Ink supply solenoid valve is equipped with, the ink supply solenoid valve is connected with the ink-feed channel；
Datum plate, it is fixedly arranged on the nozzle housing and is equipped with positioned at the rear of the solenoid valve base, the datum plate
The nozzle body that can be adjusted, the nozzle body are connected with the ink supply solenoid valve, and the rear of the nozzle body is correspondingly provided with charging
Pole, the rear of the charging pole are equipped with ink droplet deflection mechanism, and the rear of the ink droplet deflection mechanism is equipped with and the nozzle body phase
Corresponding recover, charging pole, the ink droplet deflection mechanism and the recover are both secured to the datum plate；
Wherein, the nozzle body is equipped with adjustable plate, and the front and rear sides of the adjustable plate are respectively equipped with a screw hole, the adjusting
The threaded hole that plate is threaded through in two screw holes to be connected on the datum plate by two screws, the screw of the adjustable plate
The diameter in hole is more than the diameter of the diameter of the screw rod of the screw and the nut less than the screw, and the adjustable plate is in two institutes
State to be equipped between screw hole and adjust perforate, eccentric adjusting axis, the bottom of the eccentric adjusting axis are equipped with the adjusting perforate
It is revolvable in the elongated slot of the datum plate；
The recover upper end plugs the bend pipe of stainless steel, and one end of the bend pipe is connected with the internal chamber of the recover,
The other end of the bend pipe is opposite with the ejiction opening of the nozzle body in horizontally disposed and opening, and the side of the recover is set
Jackscrew, one end that the jackscrew stretches into the recover abut against the bend pipe.
2. inkjet print head unit according to claim 1, it is characterised in that the charging pole upper end is equipped with fluting, institute
The ejiction opening and the fluting for stating nozzle body are oppositely arranged.
3. inkjet print head unit according to claim 2, it is characterised in that the ink droplet deflection mechanism includes hardboard
With zero pole plate, electric field space is equipped between the hardboard and zero pole plate, the electric field space is opposite with the fluting to be set
Put.
4. inkjet print head unit according to claim 1, it is characterised in that the inkjet print head unit, which further includes, to be added
Backing, the heating plate are posted by the lower section of the solenoid valve base, and the heating plate is consolidated by heating plate gland below
The nozzle housing is fixed on due to the solenoid valve base, and by the solenoid valve base.
5. inkjet print head unit according to claim 1, it is characterised in that the datum plate and the nozzle housing it
Between be equipped with gasket, gasket is equipped between the solenoid valve base and the nozzle housing.
6. inkjet print head unit according to claim 1, it is characterised in that the solenoid valve base is equipped with switching
Seat, the adapter have ink-jet pipeline, and the nozzle body has ink entrance, and the ink supply solenoid valve passes through the ink jet
Road is connected with the ink entrance.
7. inkjet print head unit according to claim 6, it is characterised in that it is logical that cleaning is equipped with the solenoid valve base
Road, the solenoid valve base are equipped with solenoid purge valve, and the solenoid purge valve is connected with the flushing channel, the cleaning
Solenoid valve is connected by the ink-jet pipeline with the ink entrance.
8. inkjet print head unit according to claim 7, it is characterised in that it is logical that reflux is equipped with the solenoid valve base
Road, is equipped with reflux line in the adapter, and the nozzle body has a refluxing opening, the refluxing opening by the reflux line and
The return flow line is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079516.9A CN105730014B (en) | 2016-02-04 | 2016-02-04 | Inkjet print head unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079516.9A CN105730014B (en) | 2016-02-04 | 2016-02-04 | Inkjet print head unit |
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| Publication Number | Publication Date |
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| CN105730014A CN105730014A (en) | 2016-07-06 |
| CN105730014B true CN105730014B (en) | 2018-04-17 |
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| CN201610079516.9A Active CN105730014B (en) | 2016-02-04 | 2016-02-04 | Inkjet print head unit |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6821381B2 (en) * | 2016-10-13 | 2021-01-27 | キヤノン株式会社 | Printing device and its control method, computer program |
| CN108749329B (en) * | 2018-06-15 | 2019-07-09 | 大连瑞林数字印刷技术有限公司 | A kind of piezoelectric ink jet printing head structure for preventing ink from flowing back |
| CN110722879A (en) * | 2019-10-30 | 2020-01-24 | 刘彪 | Ink printing machine capable of improving printing effect |
| CN111716907B (en) * | 2020-07-27 | 2024-03-15 | 共享智能装备有限公司 | 3D print head and 3D printer |
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| CN1051885A (en) * | 1989-10-16 | 1991-06-05 | 伊马治公司 | Using method when ink jet printing head and this print head are used in particular for printing of large characters |
| CN201362032Y (en) * | 2007-10-12 | 2009-12-16 | 录象射流技术公司 | Inkjet print head unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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