CN105082539B - A kind of fast colourful 3D printing device - Google Patents

Abstract

The invention discloses a kind of fast colourful 3D printing device, the device includes the nozzle component that can be moved along X-direction, the workbench that can be moved respectively along Y direction and Z axis vertical direction, multiple jet pipes are installed on nozzle component, plurality of liquid printing material is wherein contained respectively, including white matrix material and a variety of colorful materials, in a moving process, each jet pipe works respectively, image is printed by white matrix material first, the deeper region of color especially in image, pass through the color of colorful material print image again, the image top subregion ultimately formed is outwardly, improve the third dimension of image, it is more lively, and printing is quick, efficiently, flexibly, it is adapted to produce in enormous quantities.

Description

A kind of fast colourful 3D printing device

Technical field

The present invention relates to a kind of print apparatus, and in particular to a kind of fast colourful 3D printing device, belongs to colored 3D and beats Print machine field.

Background technology

Material object printing is now popular technology, refers to the printing curve on material object, for example beaten on phone housing Impression shape so that printed material is not only limited to the planar mediums such as paper, such as CN 202213316U disclose a kind of omnipotent coloured silk Color entity digital printer, can on soft, hard material material object printing word or pattern etc..But existing printer is beaten The figure gone out is all simple color graphics, lacks third dimension, figure that is not vivid enough, and being carved out by way of embossment Although shape has third dimension, the cost of engraving is too high, less efficient, it is difficult to produce in enormous quantities.

3D printing production technology belongs to shaping increases material manufacturing technology, and the 3D solid figure of Computer Design is decomposed by software Cut into slices, printed out by 3D printer, so as to produce part needed for unlike material and component into some layer planes；Because it is flexible Change, customized, near-net-shape baroque parts the advantages that, there is broad based growth prospect.The producer developed at present Method includes laser stereoforming method, selective laser sintering process, selective electronic beam sintering process, heat and melts accumulation molding method etc., example Such as CN 103895228A, i.e. disclosing a kind of heat melts accumulation molding method colour 3D printing equipment.

Traditional 3D printing is usually powder 3D printing (3DP), is a kind of to utilize droplet ejection, the 3D of powder bonding technology Method of printing.Shower nozzle under the control of the computer, according to the information in current hierarchical section, in the one layer of dusty material completed in advance On, selectively jet binder, bonds amount of powder, forms a layer cross section thin layer；After one layer has shaped, under workbench A thickness is dropped, carries out next layer of powdering, then constituency jet binder, shaping thin layer can also glue with formed part simultaneously It is integrated；This process is constantly circulated, untill part processes；Part generally formed thereby also needs to certain post processing, Such as drying, sintering, so as to obtain part to the end.However, existing powder 3D printer needs the long period to carry out supplying powder And binding agent, hardening time length, and space-consuming is huge, and operating process is lengthy and jumbled, particularly clears up inadequate during unshaped powder It is convenient, easily cause powder pollution surrounding environment., beaten therefore, CN 103935037A disclose a kind of integrated form powder colour 3D Print machine.

How material object printing to be combined with 3D printing technique, both obtained the stereoeffect of 3D printing, and can enough effectively reduces Cost, production efficiency is improved, it is quick, efficient, flexible so as to reach, it is adapted to produce in enormous quantities, is always what printing industry was pursued Target.Just because of above-mentioned reason, the printing speed device that can print colored 3D effect photo will have huge make With value and market prospects.

The content of the invention

In order to solve the above problems, present inventor has performed studying with keen determination, a kind of fast colourful 3D printing device is developed And its printing speed method is used, the device includes the nozzle component that can be moved along X-direction, can be respectively along Y direction and Z The workbench of axle vertical direction movement, installs multiple jet pipes on nozzle component, wherein plurality of liquid printing material is contained respectively, Including white matrix material and a variety of colorful materials, in a moving process, each jet pipe works respectively, passes through white first Matrix material prints the region that color is deeper in image, especially image, then the color by colorful material print image, most End form into image top subregion it is outwardly, the third dimension of image is improved, more vividly, so as to complete the present invention.

In particular it is object of the present invention to provide a kind of fast colourful 3D printing device, the device is included at image Module and performs device are managed, wherein,

Described image processing module includes receiving module, hierarchical block, computing module and output module,

The performs device includes workbench and the nozzle component that is disposed there above, wherein the workbench is placing And fixed workpiece to be printed, the nozzle component is to spray finishing material on the workpiece to be printed.

According to the present invention, the nozzle component includes the jet pipe of a plurality of laid out in parallel and consolidated with the material of jet pipe laid out in parallel Makeup is put, and multiple nozzles are provided with the jet pipe, and/or

It is preferred that being loaded with material in the jet pipe, and separately it is connected with feed constant-voltage system.

According to the present invention, multiple nozzles are arranged on the jet pipe, nozzle minimum diameter be nanometer to micromicron level, in nozzle On be provided with voltage sensor switch, and/or

Voltage sensor switch in preferred nozzle is communicated to control chip, the control chip and image procossing mould by wire Block is connected, and preferably described control chip and wire are arranged in jet pipe.

According to the present invention, the jet pipe comprises at least the jet pipe for being used for containing colored (such as red, yellow, blue) material and one Or a plurality of jet pipe for being used to contain white matrix material, preferably there are 4 jet pipes, the jet pipe also includes one or more and is used to contain Filling the jet pipe of black material, it is preferable that the jet pipe has 8, wherein, contain the jet pipe of black, red, yellow and blue material Respectively there is one, the jet pipe for containing white/Transparent color matrix material there are 4.

According to the present invention, it is characterised in that the material solidification equipment includes one or two ultraviolet lamp, and preferably two It is individual, respectively positioned at the both sides of a plurality of jet pipe.

According to the present invention, the performs device also includes waste collection groove and liquid sucking device, is all disposed within nozzle component along X On the path that direction of principal axis can pass through when moving,

Preferably, the liquid sucking device includes imbibition joint and Negative pressure machine, it is highly preferred that the imbibition joint is opened in one end Mouthful it is hood-like, be provided with silicone gasket on its end face being open, be additionally provided with scraper plate on the liquid sucking device, the scraper plate by The soft materials such as silica gel are made.

According to the present invention, the X-axis that the performs device also includes being used to control nozzle component to move along X-direction drives dress Put；Organic frame is set below the workbench, the Y-axis that control workbench moves along Y direction is provided with the frame and is driven Dynamic device, is additionally provided with the Z axis drive device for controlling the frame to be moved along Z-direction in the frame.

The present invention also provides a kind of method for carrying out printing speed using above-mentioned colored 3D printing device, including following step Suddenly：

Step 1, image information is obtained, is handled by image processing module,

Step 2, thing to be printed or workpiece are placed on workbench, adjust the distance of thing and shower nozzle to be printed,

Step 3, by the workbench in performs device and nozzle component work compound, first on workpiece or thing to be printed Printing matrix material, the optional step is carried out once or repeatedly,

Step 4, by the workbench in performs device and nozzle component work compound, printed on workpiece or thing to be printed Colorful material, the optional step are carried out once or repeatedly,

Optionally repeat above step 3 and 4, until printing finishes.

According to the present invention, in step 2, thing to be printed or workpiece are placed on workbench, set infrared ray to survey high sensor The height for treating printed matter measures, the distance of thing and shower nozzle to be printed 0 between 20mm, preferably 1 to 15mm, more preferably 2 to 10mm, further preferably 3 to 5mm.

According to the present invention, before performs device performs print job, nozzle component is moved to above liquid sucking device, and Imbibition processing is done to the jet pipe on nozzle component,

In print procedure, at predetermined time intervals or nozzle component is reciprocal several times later by jet head sets along X-direction Part is moved to above waste collection groove, and is performed and dissipated spray operation, it is preferable that and nozzle component moves back and forth 3-15 times along X-direction, Spray operation is once dissipated it is preferred that being performed after 5-12 times, more preferably 7-10 times.

The beneficial effect of fast colourful 3D printing device provided by the invention is summarized as follows：

(1) fast colourful 3D printing device provided by the invention has a plurality of material jet pipe, can contain different colours Material, in a moving process, multiple jet pipes work respectively, complete the spraying of multiple color, and printing effect is high；

(2) fast colourful 3D printing device provided by the invention has one or more to contain white or colourless matrix material Jet pipe, can fast and efficiently on workpiece to be printed formed with predetermined thickness coating so that on the image printed With projection, obvious third dimension or 3D effect are produced；

(3) control the chip of nozzle operation to be arranged in jet pipe in fast colourful 3D printing device provided by the invention, save About space, improve the integrated of nozzle component so that the movement of nozzle component is more flexible, facilitates the control chip and figure As processing module is connected, the control information received is decomposed, so as to accurately control each nozzle；

(4) the material solidification equipment in fast colourful 3D printing device provided by the invention avoids equipped with cooling system Ultraviolet lamp temperature is too high, so as to extend the service life of ultraviolet lamp, and avoids the material in nozzle and consolidates And the phenomenon of plug nozzle；

(5) fast colourful 3D printing device provided by the invention carries out " dissipate spray " in time in print procedure, avoid because Cause remainder to occur to solidify and the situation of plug nozzle after solvent composition volatilization in material material, ensure that nozzle and spray The working life and work quality of head assembly 3；

(6) it is provided by the invention to use in colored 3D printing device printing speed method, can be simply by setting base Matter is material bed and the printing times of colorful material layer obtain the print image of different-thickness, operation is quick, image quality accuracy is high, Third dimension is strong；

(7) it is provided by the invention using in colored 3D printing device printing speed method, in different workpieces or it can wait to beat The image that 3D effect is formed on thing is printed, the time can be as short as several minutes, significantly faster than current 3D printing speed.

Brief description of the drawings

Fig. 1 is shown according to a kind of performs device overall structure structure schematic diagram of preferred embodiment of the present invention；

Fig. 2 is shown according to a kind of performs device overall structure side view of preferred embodiment of the present invention；

Fig. 3 is shown according to a kind of performs device upper nozzle component structure diagram of preferred embodiment of the present invention；

Fig. 4 is shown according to a kind of nozzle component side view of the performs device of preferred embodiment of the present invention；

Fig. 5 is shown according to a kind of nozzle component top view of the performs device of preferred embodiment of the present invention；

Fig. 6 is shown according to the present invention a kind of image processing module and course of work schematic diagram of preferred embodiment.

Drawing reference numeral explanation：

1- waste collection grooves

2-X axial brake devices

3- nozzle components

31- jet pipes

32- nozzles

33- is fed constant-voltage system

34- control chips

35- wires

36- materials solidification equipment (ultraviolet lamp)

37- voltage sensors switch

4- workbench

5- liquid sucking devices

51- imbibition joints

52- Negative pressure machines

Workpiece to be printed 6-

7-Y axial brake devices

8- frames

9-Z axial brake devices

010- receiving modules

020- hierarchical blocks

030- computing modules

040- output modules

Embodiment

Below by drawings and examples, the present invention is described in more detail.Lead to these explanations, the features of the present invention It will be become more apparent from clearly with advantage.

Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary " Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings In terms of kind, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.

A kind of fast colourful 3D printing device is provided according to the present invention, the device includes image processing module and performs dress Put, wherein：

Described image processing module includes receiving module 010, hierarchical block 020, computing module 030 and output module 040, For receiving image information, layered shaping is done to the image information received, and calculates each layer of distribution of color respectively, is entered And the working time of shower nozzle when printing the figure layer is calculated, finally, the information transmission calculated to performs device, to control Performs device works.The performs device includes workbench 4 and the nozzle component 3 being disposed there above, wherein the workbench To place and fixed workpiece 6 to be printed, i.e., thing to be printed, the nozzle component to the workpiece to be printed (treating Printed matter) on spray finishing material, further, the nozzle component.

In one preferred embodiment, the nozzle component 3 includes the jet pipe 31 and and jet pipe of a plurality of laid out in parallel The material solidification equipment 36 of laid out in parallel, multiple nozzles 32 are provided with the jet pipe 31, reference can be made to Fig. 3, Fig. 4, Fig. 5.

According to the present invention, material is all loaded with a plurality of jet pipe 31, a plurality of jet pipe 31 all separately connects Feed constant-voltage system 33 is connected to, it is described to be fed constant-voltage system 33 to ensure that material is sufficient in jet pipe 31；

According to the present invention, it is very tiny to be provided with nozzle 32 described in multiple nozzles 32 on the jet pipe 31, its minimum diameter Up to nanometer even micromicron level, voltage sensor switch 37 is both provided with each nozzle 32, passes through the control of voltage sensor switch 37 Nozzle 32 processed whether material spray and material spray amount.Extremely more nozzles is shown because jet pipe tightens solid matter, the material of spraying can be caused Uniformly, drop is tiny, and when the tiny material liquid drop of different colours is located at the same area, the color visually recognized is to combine Color afterwards.

In one preferred embodiment, the voltage sensor switch 37 on each nozzle 32 is communicated to control by wire 35 Coremaking piece 34, the control chip are connected with image processing module, and the control information received is decomposed, accurately to control The work of each nozzle is made, reference can be made to shown in Fig. 3, Fig. 4, Fig. 5.

Preferably, the control chip 34 and wire 35 are all disposed within jet pipe, to save space, reduce the structure outside jet pipe Make, while excessive wire can be avoided to pass through jet pipe wall, so as to reduce the difficulty of sealing duct.

The nozzle that the present invention uses can be commercialization or the self-control nozzle for meeting above performance indications, such as can use CN Ink gun disclosed in 1676331A and its manufacture method, such as NSK shower nozzle can be also used (by NSK electronics group Produced), Japanese Konica (KONICA) piezoelectric type shower nozzle, Japanese Epson (EPSON), Kyocera (KYOCERA), Japan Ricoh (RICOH), Japanese Toshiba (TOSHIBA), Britain Sai Er (XAAR) industrial inkjets shower nozzle, U.S.'s Polaris (SPECTRA) Print heat foamable shower nozzle, piezoelectric type shower nozzle, Thailand of U.S. ancient cooking vessel (TRIDENT) etc..

According to the present invention, the jet pipe 31 can have it is a plurality of, but including at least being used to contain the jet pipe and use of colorful material In the jet pipe for containing white matrix material, jet pipe for containing red, yellow, blue material is preferably included and for containing white base The jet pipe of matter material, therefore the jet pipe can at least have 4, contain the material of different colours in 4 jet pipes respectively, wrap respectively Include red material, yellow material, blue material and white/Transparent color matrix material；It is further preferred that the jet pipe can be with Include one or more jet pipe for being used to contain black material, further, described is used to contain white/transparent color base The jet pipe of matter material is provided with one or more, be preferably provided with it is a plurality of, so as to be advantageous to it is quick, print matrix material to volume, Cost is not only reduced, but also substantially increases printing effect.

Preferably, the jet pipe has 8, is respectively used to contain the material of different colours, wherein, contain black material, contain Filling red material, splendid attire yellow material, the jet pipe of the blue material of splendid attire respectively has one, contains white/Transparent color matrix material Jet pipe has 4.

According to the present invention, the material contained in the jet pipe is in a liquid state in jet pipe, in order that being sprayed from jet pipe through nozzle Material rapid curing, the material solidification equipment with the multiple jet pipe laid out in parallel is additionally provided with the nozzle component 3 36。

Preferably, the material under the irradiation of ultraviolet light can rapid curing, therefore heretofore described material is consolidated Makeup put 36 include can the outwards ultraviolet lamp of emitting ultraviolet light or ultraviolet lamp group, for example, LED ultraviolet lamps group, it is described Ultraviolet lamp can have one or two, preferably two, respectively positioned at the both sides of a plurality of jet pipe, material according to image shape Shape is sprayed at presumptive area, the curing molding immediately under the irradiation of ultraviolet light.

The material solidification equipment 36 can avoid ultraviolet lamp temperature equipped with cooling system, such as water cooling system It is too high, so as to extend the service life of ultraviolet lamp.For example, in the case of uncolled, temperature after material solidification equipment starts Up to more than 50 DEG C, sometimes up to 80 DEG C, even as high as 100 DEG C, not only it is unfavorable for uviol lamp long-term use, and can influence Material in nozzle, resin object consolidates after making the evaporation of its solvent, so as to plug nozzle, influences printing and is normally carried out.And by cold But after, its temperature can be reduced to less than 40 DEG C, be preferably decreased to less than 30 DEG C, such as reach room temperature, or temperature between Between 15-25 DEG C.

The material used in fast colourful 3D printing device of the present invention can be a kind of composition, and it includes light-cured resin And pigment, the pigment include the matrix material and colorful material of white or Transparent color, the light-cured resin is ultraviolet lighting The resin for issuing third contact of a total solar or lunar eclipse curing reaction is penetrated, in order to which liquid uses, resin is dissolved and/or is scattered in solvent.

According to the invention, it is possible to use conventional photocuring photosensitive resin, such as following oligomer：Pure acrylic resin, ring Oxygen tree fat, unsaturated polyester (UP), modification acrylate (epoxy acrylate, urethane acrylate, polyester acrylate, polyethers Acrylate, silicone oligomer, can be that the mixture of one or more of which is formed.

According to the present invention it is possible to the inorganic pigment of routine is mixed to form matrix material with photocuring photosensitive resin, preferably It is dissolved in or is suspended in solvent, the inorganic pigment for example can be titanium dioxide pigment, and the solvent for example can be conventional Organic solvent, such as alcohols solvent, ketones solvent, esters solvent, preferably alcohols solvent, more preferably ethanol or its aqueous solution.

According to the present invention it is possible to the color pigment of routine is mixed to form colorful material with photocuring photosensitive resin, preferably It is dissolved in or is suspended in solvent, the color pigment for example can be various inorganic, organic color pigments, preferably organic coloured silk Color pigment, such as Anthraquinones or phthalocyanines color pigment.The solvent can be for example conventional organic solvent, as alcohols is molten Agent, ketones solvent, more preferably esters solvent, preferably alcohols solvent, ethanol or its aqueous solution.

The printing material that the present invention uses can also include various additives, such as various conventional cations trigger Agent, radical initiator, accelerator, levelling agent, reactive diluent, defoamer etc..

In a preferred embodiment, can be relatively moved between the workbench 4 and nozzle component 3, further, work The moving direction for making the moving direction and nozzle component 3 of platform 4 is orthogonal；

In the present invention preferably, the workbench 4 can move along Y direction, and the nozzle component 3 can be along X-axis side To movement, wherein, X-direction and Y direction are all located in same horizontal plane, and further, the workbench can also be Vertically moved while movement along Y direction, as shown in Figure 2, Z-direction therein represents vertical direction.

In a preferred embodiment, shown in as shown in Figure 1, Figure 2, the performs device also includes waste collection groove 1 and inhaled Liquid device 5, the waste collection groove 1 and liquid sucking device 5 are all disposed within what can be passed through when nozzle component 3 moves along X-direction On path.

According to the present invention, when the nozzle component is moved to along X-direction top and the parking of the waste collection groove 1 When, " dissipating spray " operation can be performed, the waste collection groove is used to collecting and containing the waste ink that " dissipating spray " operation sprays.This Scattered spray described in invention refers to a kind of spraying operation of nozzle all on jet pipe while outside spraying of material to greatest extent, Because material has volatility, after the solvent composition in material especially material volatilizees, remainder is easy to solidify, So as to plug nozzle, the purpose of the scattered spray is by nozzle outside material spray in large quantities so that in the flow process of material Solidification or partially cured and be bonded in the material on nozzle is taken away, to avoid the feed blocking nozzle that have cured, ensures spray The working life and work quality of mouth and nozzle component 3.

The liquid sucking device 5 includes imbibition joint 51 and Negative pressure machine 52, the imbibition joint with matching on nozzle component, When the nozzle component is moved to top and the parking of the liquid sucking device along X-direction, the imbibition joint and shower nozzle Component can be relatively moved with the vertical direction, i.e., nozzle component moves down or imbibition joint moves up so that described Imbibition joint is tightly connected with nozzle component, and providing power by the Negative pressure machine inhales the material in jet pipe and nozzle and air Go out.The liquid sucking device mainly works when starting first after long-time is stopped, or the work when finding that print quality is undesirable Make, providing external force by Negative pressure machine suctions out the material remained in nozzle and air, and then to be full of material in nozzle, does not have Tomography.

In a preferred embodiment, the imbibition joint 51 is in the hood-like of one end open, is set on its end face being open There is silicone gasket, pass through the close contact of silicone gasket and nozzle component so that nozzle is sealed in what is be made up of nozzle component In airtight cavity.

Scraper plate is additionally provided with the liquid sucking device 5, the scraper plate is made up of soft materials such as silica gel, when the negative pressure The scraper plate moves in airtight cavity after machine completes pumping operation, and the material of the exposed bonding of nozzle exterior is hung, to ensure Nozzle it is clean and tidy so that nozzle is in holding state.

In a preferred embodiment, shown in as shown in Figure 1, Figure 2, the performs device also includes being used to control nozzle component 3 X-axis driving devices 2 moved along X-direction；The lower section of workbench 4 sets organic frame 8, and control is provided with the frame The Y-axis driving device 7 that workbench 4 moves along Y direction, it is additionally provided with the frame 8 for controlling the edge of frame 8 The Z axis drive device 9 of Z-direction movement, heretofore described axial brake device 2, Y-axis driving device 7 and Z axis drive device 9 can select drive device commonly used in the art, and the driving principle of each drive device can be the same or different, such as Belt driver, rack-and-pinion transfer device, ball-screw etc..

According to the present invention, described image processing module includes receiving module 010, hierarchical block 020, the and of computing module 030 Output module 040.

As shown in Figure 6, the receiving module 010 is used to receive image information to be printed, can pass through data wire, indigo plant Image information to be printed is transferred to receiving module by the transmission modes such as tooth；

The hierarchical block 020 is used to divide the image into multilayer according to the shade degree of image, generally comprises at least One layer of hypothallus and one layer of color layer, therefore at least need to be divided into two layers, more layers can also be divided the image on this basis, That is one or more layers hypothallus and one or more layers color layer.The presence of hypothallus causes final image to have stereoeffect, Hypothallus can select to print one or many, i.e., once print more matrix material and form thicker matrix, or repeatedly printing Matrix material, ultimately form thicker matrix, color layer finally printed on hypothallus, can also hypothallus replace with color layer beat Print.It can select to set any number of number of plies in principle, the specific number of plies is according to desired print image readability and printing Image solid sensing strong or weak unrestricted choice.That is, the number of plies separated is more, 3D effect or third dimension are stronger, print quality It is higher, accordingly also extend the time-write interval.

In the multiple picture layers separated by hierarchical block, include at least one picture layer with image to be printed Color information, the information of the picture layer are needed to be passed to computing module, and the picture layer institute is printed to calculate by computing module The color needed is with when corresponding shower nozzle working condition；In multiple picture layers, also include and recite dark colour region in image The picture layer of information, the picture layer can have multiple, and the area size recorded on different picture layers can also be different；

Its page order is the picture layer that dark colour area information is recorded in printing first, and only can use white/Transparent color Material printing, be all that the picture layer for recording dark colour area information then preferentially prints the larger picture layer in region of record, institute State record dark colour area information picture layer all print after the completion of, already have certain thickness on the workpiece to be printed, Carry the picture layer of the color information of image to be printed described in printing on this basis again.Above-mentioned print procedure is primarily adapted for use in point Situation when layer is less, can be during the picture layer for recording dark colour area information be printed if layering is a lot Appropriate insert band needs the picture layer of the color information of print image, to cause the product photo upper projecting portion point finally printed Sidepiece color it is uniform, third dimension is enriched.

The computing module 030 is used to calculate the color needed for printing the picture layer according to the color information of image to be printed With when corresponding shower nozzle working condition, i.e., by analyzing color situation at any point, calculate to print needed for the color The proportioning for the initial material wanted, the initial material include red material, blue material and yellow material.

The output module is used to send the information unification that hierarchical block and computing module pass out to performs device, right Performs device is controlled, including control performs device upper nozzle component 3 moves along X-direction, workbench moves along Y direction Moved with workbench along Z-direction, include the opening and closing of control ultraviolet lamp 36, voltage sensor switch 37 is opened in predetermined instant Open, nozzles spray material.

The present invention also provides a kind of method for carrying out printing speed using above-mentioned colored 3D printing device, including following step Suddenly：

Step 1, image information is obtained, is handled by image processing module,

Step 2, thing to be printed or workpiece 6 are placed on workbench 4, adjust the distance of thing and shower nozzle to be printed,

Step 3, by the workbench 4 in performs device and the work compound of nozzle component 3, first in workpiece or thing to be printed Upper printing matrix material, the optional step are carried out once or repeatedly,

Step 4, by the workbench 4 in performs device and the work compound of nozzle component 3, beaten on workpiece or thing to be printed Printing colorful material, the optional step is carried out once or repeatedly,

Optionally repeat above step 3 and 4, until printing finishes.

In above step 1, image processing module processing mainly includes following step by step 1 ' -3 '：

Step 1 '：Receiving module into image processing module inputs image to be printed；

Step 2 '：The input layering number of plies into hierarchical block,

Step 3 '：After module to be calculated calculates completion and obtained data is transferred into performs device by output module Start performs device.

In above step 2, thing to be printed or workpiece 6 are placed on workbench 4, on the distance principle of thing and shower nozzle to be printed It is more near better, but on condition that shower nozzle can not be scraped, therefore, setting infrared ray to survey the height progress that high sensor treats printed matter Measurement, the distance of general control thing to be printed and shower nozzle 0 between 20mm, preferably 1 to 15mm, more preferably 2 to 10mm, it is also excellent 3 are selected to 5mm.

Above step 3 is to print matrix material on workpiece or thing to be printed, can print it is one or many, depending on required base Depending on the thickness of matter material；

Above step 4 is to print colorful material on workpiece or thing to be printed, can be that last time prints, that is, print Colorful material terminates to print；But when needing that print pattern is three-dimensional or 3D effect is more apparent or the thickness of matrix material is thicker, The colorful material can also be printed repeatedly, so as to avoid patterned side from showing out host material.

Above step 3 and 4 needs to complete by the workbench 4 in performs device and the work compound of nozzle component 3.

According to the present invention, need to check whether the material in performs device is sufficient before performs device is started, equipment shape Whether state is normal, and workpiece to be printed is mounted and fixed on workbench before activation；

According to the present invention, it is necessary to nozzle component is moved on liquid sucking device 5 before performs device performs print job Side, and imbibition processing is done to the jet pipe on nozzle component；

According to the present invention, in print procedure, at predetermined time intervals or nozzle component along X-direction it is reciprocal several times with After need nozzle component being moved to the top of waste collection groove 1, and perform and dissipate spray operation, in the present invention preferably, nozzle component Moved back and forth 3-15 times along X-direction, preferably 5-12 times, performed after more preferably 7-10 times and once dissipate spray operation.

Further, during performs device print image, white/Transparent color matrix material is loaded with first Nozzles spray material on jet pipe, the jet pipe print the image of white or Transparent color, and the image by spraying material There is a third dimension, the subregion on image is outwardly, finally has and is loaded with the jet pipe of red, yellow, blueness and black Nozzles spray material, complete the print job to workpiece to be printed.

Preferably, the region to be printed of workpiece to be printed is white, to strengthen visual effect, if the region to be printed For non-white, it may be considered that the region is sprayed into white first, in addition, heretofore described white/Transparent color material, excellent Elect white mass as.

The product printed according to printing equipment provided by the invention and Method of printing is colored, imitated with stereoscopic vision The image of fruit, the image and the image being delivered in image processing module are basically identical, and difference is that the image is not plane Figure, it has certain height in the deeper region of color, i.e., the region is protruding upward, enhances the third dimension of image, Seem more lively, image.

Embodiment 1

Workpiece to be printed is phone housing, plans overleaf printing personage's half body portrait photo.

Therefore, portrait photo digital information to be printed is transferred to by image processing module by data wire or bluetooth first Receiving module；

Wish according to personage's face profile, hair, jacket etc. in the solid or 3D effect, such as portrait photo to be obtained Existing boss, sets the color of different depth degrees, then divides the image into multilayer according to the shade degree of image, wraps Include at least one layer of or multilayer hypothallus and one or more layers color layer；

By the information transmission of the picture layer of corresponding hypothallus to computing module, the picture is printed to calculate by computing module Color needed for layer is with when corresponding shower nozzle working condition；

Phone housing is placed on workbench 4, the distance for adjusting thing and shower nozzle to be printed is 3mm；

Performs device receives the data that computing module is calculated by output module, then starts, while open use In the ultraviolet lamp for solidifying material.Nozzle component 3 is moved along X-direction first, and white matrix thing is printed on phone housing Material (its be suspended in acrylic compounds light-cured resin and ethanol solution for titanium dioxide), then workbench 4 is along Y direction mobile phase Should be in the distance of the width of nozzle component 3, then nozzle component 3 continues that white matrix material is moved and printed along X-direction, depending on institute Need raised thickness, this step can carry out it is one or many, so as to obtain thickness about 1mm or thicker white hypothallus.

Height can be adjusted afterwards, i.e., workbench moves down along the vertical direction of Z axis so that mobile phone shell is still in suitable Printable position.

Then by the information transmission of the picture layer of corresponding color layer to computing module, the face printed needed for the picture layer is calculated Color is with when corresponding shower nozzle working condition；

Nozzle component 3 moves along X-direction, and colorful material is printed on the hypothallus of phone housing, and (it is corresponding each coloured silk Color dyestuff is dissolved in acrylic compounds light-cured resin and ethanol solution), then workbench 4 is moved corresponding to shower nozzle along Y direction The distance of the width of component 3, then nozzle component 3 continue that colorful material is moved and printed along X-direction, this step can only carry out one It is secondary, that is, final products are obtained, its effect is that some positions have thickness about 1mm or thicker raised color solid image.

Whole process takes about 3-5 minutes.

Above in association with preferred embodiment, the present invention is described, but these embodiments are only exemplary , only play illustrative effect.On this basis, a variety of replacements and improvement can be carried out to the present invention, these each fall within this In the protection domain of invention.

Claims (10)

1. A kind of 1. colored 3D printing device, it is characterised in that

   The device includes image processing module and performs device, wherein,

   Described image processing module includes receiving module (010), hierarchical block (020), computing module (030) and output module (040),

   The performs device includes workbench (4) and the nozzle component (3) being disposed there above, wherein the workbench (4) is used To place and fixed workpiece (6) to be printed, the nozzle component (3) is to spray finishing material on the workpiece to be printed；

   The nozzle component (3) includes the jet pipe (31) of a plurality of laid out in parallel and the material solidification equipment with jet pipe laid out in parallel (36) multiple nozzles (32), are provided with the jet pipe (31),

   Material is loaded with the jet pipe (31), and is separately connected with feed constant-voltage system (33)；

   Multiple nozzles (32) are arranged on the jet pipe (31), nozzle (32) minimum diameter be nanometer to micromicron level, in nozzle (32) voltage sensor switch (37) is provided with,

   Voltage sensor switch (37) on nozzle (32) is communicated to control chip (34), the control chip (34) by wire (35) It is connected with image processing module, the control chip (34) and wire (35) are arranged in jet pipe (31)；

   The performs device also includes waste collection groove (1) and liquid sucking device (5), is all disposed within nozzle component (3) along X-direction On the path that can pass through when mobile,

   The liquid sucking device (5) includes imbibition joint (51) and Negative pressure machine (52), and the imbibition joint (51) is in one end open It is hood-like, be provided with silicone gasket on its end face being open, be additionally provided with scraper plate on the liquid sucking device (5), the scraper plate by Soft material is made.
2. 2. printing equipment according to claim 1, it is characterised in that

   The jet pipe (31) comprises at least the jet pipe for being used for containing colorful material and one or more and is used to contain white matrix thing The jet pipe of material.
3. 3. printing equipment according to claim 2, it is characterised in that

   There are 4 jet pipes, the jet pipe also includes one or more jet pipe for being used to contain black material.
4. 4. printing equipment according to claim 2, it is characterised in that

   The jet pipe (31) has 8, wherein, containing the jet pipe of black, red, yellow and blue material respectively has one, contains white The jet pipe of color/Transparent color matrix material has 4.
5. 5. printing equipment according to claim 1, it is characterised in that the material solidification equipment (36) is ultraviolet including two Light lamp, respectively positioned at the both sides of a plurality of jet pipe.
6. 6. printing equipment according to claim 1, it is characterised in that the performs device also includes being used to control jet head sets The X-axis driving device (2) that part (3) moves along X-direction；Organic frame (8) is set below the workbench (4), in the frame The Y-axis driving device (7) that control workbench (4) moves along Y direction is provided with, use is additionally provided with the frame (8) In the Z axis drive device (9) for controlling the frame (8) to be moved along Z-direction.
7. 7. the method printed using the colored 3D printing device described in one of claim 1 to 6, is comprised the following steps：

   Step 1, image information is obtained, is handled by image processing module,

   Step 2, thing to be printed or workpiece (6) are placed on workbench (4), adjust the distance of thing and shower nozzle to be printed,

   Step 3, by the workbench (4) in performs device and nozzle component (3) work compound, first in workpiece or thing to be printed Upper printing matrix material, the optional step are carried out once or repeatedly,

   Step 4, by the workbench (4) in performs device and nozzle component (3) work compound, beaten on workpiece or thing to be printed Printing colorful material, the optional step is carried out once or repeatedly,

   Optionally repeat above step 3 and 4, until printing finishes.
8. 8. according to the method for claim 7, it is characterised in that

   In step 2, thing to be printed or workpiece (6) are placed on workbench (4), sets infrared ray to survey high sensor and treats printed matter Height measure, the distance of thing and shower nozzle to be printed is 0 between 20mm.
9. 9. the method according to claim 7 or 8, it is characterised in that

   Before performs device performs print job, nozzle component (3) is moved to above liquid sucking device (5), and to jet head sets Jet pipe on part does imbibition processing, and/or

   In print procedure, at predetermined time intervals or nozzle component several times later moves nozzle component along X-direction is reciprocal Move to above waste collection groove (1), and perform and dissipate spray operation.
10. 10. according to the method for claim 9, it is characterised in that

    Nozzle component performs after being moved back and forth 3-15 times along X-direction once dissipates spray operation.