CN207373699U - A kind of ink jetting structure of 3D printer - Google Patents

Abstract

The utility model discloses a kind of ink jetting structures of 3D printer, including print cartridge and printing head, one side external surface of the print cartridge is equipped with No.1 hose, and the lower section of No.1 hose is equipped with No. two hoses, communicating pipe is equipped between the No.1 hose and No. two hoses, connector sleeve is equipped on the outside of the both ends of the communicating pipe, and the side external surface of communicating pipe is movably installed with adjusting switch, one side external surface of the print cartridge is equipped with No. three hoses close to the lower position of No. two hoses, and the leading exterior surface of the printing head is installed with piezoelectric actuator.A kind of ink jetting structure of 3D printer described in the utility model, equipped with communicating pipe, rotary joint and splash baffle, it can carry out hybrid ink jet, and nozzle can be adjusted, reduce the blocking probability of nozzle, it prevents ink droplet splash from being impacted to ink-jet, suitable for different operating situation, brings better prospect of the application.

Description

A kind of ink jetting structure of 3D printer

Technical field

The utility model is related to printer field, more particularly to a kind of ink jetting structure of 3D printer.

Background technology

3D printer, which " can not only print ", to be gone out a building and completely builds, it might even be possible to be beaten in spaceship to astronaut Print the shape of any desired article.3D printing technique often be used to manufacture mould in the past in fields such as mold manufacturing, industrial designs Type is now increasingly used for the direct manufacture of some products, this technology is gaining popularity, and the ink jetting structure of 3D printer is beaten as 3D The core of print machine, the speed and work efficiency of speed can determine the excellent of the performance of a 3D printer；It is existing 3D printer ink jetting structure when in use there are certain drawbacks, easily there are spray nozzle cloggings for the ink jetting structure of 3D printer Situation, it is necessary to often clear up it, and the ink jetting structure of 3D printer cannot carry out colour mixture, the color printed sometimes Expected effect is not achieved, in addition, the ink jetting structure of 3D printer has ink droplet splash, there are one to the work of nozzle Fixed interference brings certain adverse effect, for this purpose, it is proposed that a kind of ink jetting structure of 3D printer to actual use.

Utility model content

The main purpose of the utility model is that providing a kind of ink jetting structure of 3D printer, background skill can be effectively solved The problem of in art.

To achieve the above object, the technical solution that the utility model is taken is：

A kind of ink jetting structure of 3D printer, including print cartridge and printing head, a side external surface of the print cartridge is equipped with one Number hose, and the lower section of No.1 hose is equipped with No. two hoses, and communicating pipe is equipped between the No.1 hose and No. two hoses, it is described Connector sleeve is equipped on the outside of the both ends of communicating pipe, and the side external surface of communicating pipe is movably installed with adjusting switch, the print cartridge A side external surface be equipped with No. three hoses close to the lower position of No. two hoses, the leading exterior surface of the printing head fixes Piezoelectric actuator is installed, and terminal is installed on the outside of the upper end of printing head, outside the one side of the printing head Surface is equipped with nozzle, and the leading exterior surface of nozzle is movably installed with rotary joint, and the leading exterior surface of the nozzle is close to rotation Turn to be installed with oscillator at a side position in joint, the leading exterior surface of the nozzle is close to the opposite side position of rotary joint It puts place and is equipped with splash baffle, deflecting electrode is equipped between the rotary joint and splash baffle, the lower end outside of the nozzle is set There is conduit, and recycling box is equipped on the outside of one end of conduit, a side external surface of the print cartridge passes through No.1 hose and printing head Another side external surface be fixedly connected.

Preferably, the outer surface of the rotary joint is equipped with anti-skid chequer, and anti-skid chequer is stainless steel component.

Preferably, the No.1 hose, No. two hoses and No. three hoses are rubber material component, and No.1 hose, two The inner wall of number hose and No. three hoses scribbles corrosion-inhibiting coating.

Preferably, the quantity of the deflecting electrode is two groups, and two groups of deflecting electrodes are placed in vertical state.

Preferably, pump is equipped on the outside of the upper end of the print cartridge, and partition plate is distributed in the inner homogeneous of print cartridge.

Preferably, the input terminal of the output terminal of the printing head and nozzle is electrically connected, and the ejection electrodes of nozzle are in It is tip-shape.

Compared with prior art, the utility model has the advantages that：

In the utility model, communicating pipe is opened by the adjusting switch of setting so that No.1 hose and No. two hoses are mutual Connection, the ink of different colours can be mixed, facilitate toning so that the printing effect of nozzle is more preferable, rotary joint energy The spray tip of nozzle is enough driven to rotate, periodically it is rotated, improves the flexibility of nozzle, can effectively prevent nozzle Blocking, improve the work efficiency of nozzle, by the splash baffle of setting ink droplet splash can be prevented during ink-jet to nozzle Outer surface impacts the work of nozzle.

Description of the drawings

Fig. 1 is a kind of overall structure diagram of the ink jetting structure of 3D printer of the utility model.

Fig. 2 is a kind of communicating pipe enlarged drawing of the ink jetting structure of 3D printer of the utility model.

Fig. 3 is a kind of rotary joint enlarged drawing of the ink jetting structure of 3D printer of the utility model.

In figure：1st, print cartridge；2nd, No.1 hose；3rd, No. two hoses；4th, communicating pipe；5th, adjusting switch；6th, connector sleeve；7th, No. three Hose；8th, printing head；9th, piezoelectric actuator；10th, terminal；11st, nozzle；12nd, rotary joint；13rd, oscillator；14th, partially Turn electrode；15th, splash baffle；16th, conduit；17th, recycling box；18th, anti-skid chequer.

Specific embodiment

Technical means, creative features, achievable purpose and effectiveness to realize the utility model are easy to understand, below With reference to specific embodiment, the utility model is expanded on further.

As shown in Figs. 1-3, a kind of ink jetting structure of 3D printer, including print cartridge 1 and printing head 8, outside the one side of print cartridge 1 Surface is equipped with No.1 hose 2, and the lower section of No.1 hose 2 is equipped with No. two hoses 3, is equipped between No.1 hose 2 and No. two hoses 3 Communicating pipe 4, the both ends outside of communicating pipe 4 is equipped with connector sleeve 6, and the side external surface of communicating pipe 4 is movably installed with adjusting and opens Close 5, a side external surface of print cartridge 1 is equipped with No. three hoses 7 close to the lower position of No. two hoses 3, outside the front end of printing head 8 Surface is installed with piezoelectric actuator 9, and is installed with terminal 10, printing head 8 on the outside of the upper end of printing head 8 A side external surface be equipped with nozzle 11, and the leading exterior surface of nozzle 11 is movably installed with rotary joint 12, the front end of nozzle 11 Outer surface is installed with oscillator 13 at a side position of rotary joint 12, and the leading exterior surface of nozzle 11 is close to rotation Splash baffle 15 is equipped at another side position in joint 12, deflecting electrode 14 is equipped between rotary joint 12 and splash baffle 15, The lower end outside of nozzle 11 is equipped with conduit 16, and recycling box 17 is equipped on the outside of one end of conduit 16, and a side external surface of print cartridge 1 leads to No.1 hose 2 is crossed to be fixedly connected with another side external surface of printing head 8.

The outer surface of rotary joint 12 is equipped with anti-skid chequer 18, and anti-skid chequer 18 is stainless steel component, and anti-skid chequer 18 makes It is more light when adjusting to obtain rotary joint 12, and anti-skid chequer 18 is longer for the time that stainless steel component can use； 2, No. two hoses 3 of No.1 hose and No. three hoses 7 are rubber material component, and 2, No. two hoses 3 of No.1 hose and No. three it is soft The inner wall of pipe 7 scribbles corrosion-inhibiting coating, and corrosion-inhibiting coating can reduce corrosion of the ink to hose inner wall, and increase hose uses the longevity Life, rubber material component cost is relatively low, and with preferable environmental-protecting performance；The quantity of deflecting electrode 14 is two groups, and two groups inclined Turn electrode 14 to place in vertical state, under plumbness deflecting electrode 14 it is more convenient to ink droplet print position into horizontal deflection, Enable the orientation bigger that ink droplet deflects；Be equipped with pump on the outside of the upper end of print cartridge 1, and the inner homogeneous of print cartridge 1 be distributed with every Plate, ink can be pumped into hose by pump, and print cartridge 1 is divided into compartment by partition plate, facilitate the ink of addition different colours；Printing The output terminal of nozzle 8 is electrically connected with the input terminal of nozzle 11, and the ink being disposed is sent into nozzle 11 by printing head 8, And the ejection electrodes of nozzle 11 are in tip-shape, and under identical power effect, the tip-shape jet velocity that can improve ink droplet, The ink droplet sputtering scope smaller of tip injection, it appears that more beautiful.

It should be noted that the utility model is a kind of ink jetting structure of 3D printer, when in use, pump is by print cartridge 1 Ink extraction, be then sent through and the inside of 2, No. two hoses 3 of No.1 hose and No. three hoses 7, partition plate by print cartridge 1 be divided into it is several every Between, therefore the ink of different colors can be injected into print cartridge 1, to facilitate the use in the case of different printings, ink enters It is then gone through after 2, No. two hoses 3 of No.1 hose and No. three hoses 7 in printing head 8, passes through 10 external electricity of terminal Source is to printing head 8, and under the effect of piezoelectric actuator 9, the ink in printing head 8 is subject to fixation pressure, therefore energy Enough continuous injections, after ink is sent to nozzle 11 by printing head 8, under the excitation of oscillator 13, ink jet stream generation water Drop then changes the direction of the launch of ink droplet under the action of deflecting electrode 14, is finally sprayed from the spray tip of nozzle 11, entirely Course of injection is completed, and is followed successively badly to complete the printing to works, extra ink droplet finally enters recycling box by conduit 16 Recycling in 17, to prevent ink droplet from remaining in nozzle 11 use influenced next time, when needing, into when thinking colour mixture, tune can be passed through Section switch 5, which is opened, enable No.1 hose 2 communicating pipe 4 and No. two hoses 3 progress color that is interconnected is mashed up, by two kinds of colors Ink mixed and sprayed again to get a desired effect, during nozzle 11 sprays, splash baffle 15 is only by nozzle 11 Spray tip expose, effectively prevent ink droplet splash from bringing interference to its work to the surface of nozzle 11 so that its work effect Rate higher, it is more practical.

The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description Simply illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed scope is defined by the appending claims and its equivalent thereof.

Claims (6)

1. a kind of ink jetting structure of 3D printer, including print cartridge（1）With printing head（8）, it is characterised in that：The print cartridge（1） A side external surface be equipped with No.1 hose（2）, and No.1 hose（2）Lower section be equipped with No. two hoses（3）, the No.1 hose （2）With No. two hoses（3）Between be equipped with communicating pipe（4）, the communicating pipe（4）Both ends on the outside of be equipped with connector sleeve（6）, and even Siphunculus（4）A side external surface be movably installed with adjusting switch（5）, the print cartridge（1）A side external surface close to No. two hoses （3）Lower position be equipped with No. three hoses（7）, the printing head（8）Leading exterior surface be installed with Piezoelectric Driving Device（9）, and printing head（8）Upper end on the outside of be installed with terminal（10）, the printing head（8）One side appearance Face is equipped with nozzle（11）, and nozzle（11）Leading exterior surface be movably installed with rotary joint（12）, the nozzle（11）Before Outer surface is held close to rotary joint（12）A side position at be installed with oscillator（13）, the nozzle（11）Front end outside Surface is close to rotary joint（12）Another side position at be equipped with splash baffle（15）, the rotary joint（12）With splash baffle （15）Between be equipped with deflecting electrode（14）, the nozzle（11）Lower end outside be equipped with conduit（16）, and conduit（16）One end Outside is equipped with recycling box（17）, the print cartridge（1）A side external surface pass through No.1 hose（2）With printing head（8）It is another Side external surface is fixedly connected.

2. a kind of ink jetting structure of 3D printer according to claim 1, it is characterised in that：The rotary joint（12）'s Outer surface is equipped with anti-skid chequer（18）, and anti-skid chequer（18）For stainless steel component.

3. a kind of ink jetting structure of 3D printer according to claim 1, it is characterised in that：The No.1 hose（2）, two Number hose（3）With No. three hoses（7）It is rubber material component, and No.1 hose（2）, No. two hoses（3）With No. three hoses（7） Inner wall scribble corrosion-inhibiting coating.

4. a kind of ink jetting structure of 3D printer according to claim 1, it is characterised in that：The deflecting electrode（14）'s Quantity is two groups, and two groups of deflecting electrodes（14）It places in vertical state.

5. a kind of ink jetting structure of 3D printer according to claim 1, it is characterised in that：The print cartridge（1）Upper end Outside is equipped with pump, and print cartridge（1）Inner homogeneous partition plate is distributed with.

6. a kind of ink jetting structure of 3D printer according to claim 1, it is characterised in that：The printing head（8）'s Output terminal and nozzle（11）Input terminal be electrically connected, and nozzle（11）Ejection electrodes in tip-shape.