CN203344321U - Micro-nano three-dimensional printing spray head device - Google Patents
Micro-nano three-dimensional printing spray head device Download PDFInfo
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- CN203344321U CN203344321U CN 201320439636 CN201320439636U CN203344321U CN 203344321 U CN203344321 U CN 203344321U CN 201320439636 CN201320439636 CN 201320439636 CN 201320439636 U CN201320439636 U CN 201320439636U CN 203344321 U CN203344321 U CN 203344321U
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Abstract
The utility model relates to a micro-nano three-dimensional printing spray head device which comprises a controller, a material storage box and a spray head main part, wherein the spray head main part comprises three groups of jet hole arrays with different diameters; the three groups of jet hole arrays respectively include an A group of jet hole array, a B group of jet hole array and a C group of jet hole array, and the three groups of jet hole arrays with different diameters are respectively connected with three spray heads; the controller comprises a central processing unit, a first jet hole array controller, a second jet hole array controller, a third jet hole array controller and a driving power supply; the central processing unit controls and switches the work of the first jet hole array controller, the second jet hole array controller and the third jet hole array controller by outputting different pulse signals; the first jet hole array controller, the second jet hole array controller and the third jet hole array controller respectively control the working state of each jet hole in the three groups of jet hole arrays with different diameters. The micro-nano three-dimensional printing spray head device disclosed by the utility model carries out fast rough machining by selecting and using large-aperture jet holes for working, and carries out slow finish machining by selecting and using small-aperture jet holes, thereby realizing the macro-micro compound three-dimensional fast forming.
Description
Technical field
The utility model is a kind of micro-nano 3 D-printing ejecting device, belongs to the innovative technology of micro-nano 3 D-printing ejecting device.
Background technology
Three-dimensional printer is a kind of technique of rapid shaping, adopt the mode layering of piling up layer by layer to produce threedimensional model, its motion process is similar to conventional printer, only conventional printer is that ink is sprayed to the two-dimentional figure of formation on paper medium, and three-dimensional printer is that the materials such as the plastic wire of liquid photosensitive resin material, melting, land plaster are sprayed and realize that piling up layer by layer stack forms 3D solid by shower nozzle.At present, both at home and abroad the shower nozzle of three-dimensional printer is all the design of the two-dimensional structure continued to use, and its injection diameter is all single size
[1].
At 20th century the mid-80, SLS is developed by Ka Er doctor Deckard in the Austin of texas,U.S university branch school and is patented, and project is supported by DARPA.1979, similar procedure obtained patent by RF Housholder, but not by commercialization
[2].Nineteen ninety-five, the E Sachs of Massachusetts science and engineering, M Cima and J Cornie have created " 3 D-printing " word
[3] [4].
Along with the raising of 3 D-printing precision, 3 D-printing can be brought into play properties of materials to greatest extent, only material is placed on to useful place, reduces the waste of material.Along with the raising of 3 D-printing speed, can speed production, three-dimensional printing technology can be dropped in industrial production.In recent years, three-dimensional printing technology has had huge progress, and a lot of equipment all has been put to commercial Application, has started the epoch that Direct Digital is manufactured.Along with the further raising of 3 D-printing precision and print speed, following 3 D-printing will obtain further universal the utilization
[5].
Shower nozzle, as the core component of three-dimensional printing technology, is also the place of core technology, and its technical parameter and characteristic directly have influence on service behaviour and the efficiency of three-dimensional printer.In recent years, done very many-sided research abroad around the shower nozzle aspect, as improved shower nozzle resolution ratio, improved technique and improve the shower nozzle quality, improved jeting effect and strengthen jet power
[6].
At present, all select widely used shower nozzle in painting industry in commercial three-dimensional printer design.From ink-jet principle minute, existing shower nozzle mainly contains two kinds of thermal bubble type and piezoelectric types.The piezoelectric type shower nozzle does not rely on heating, and blasting materials is had to adaptability widely, and it is strong to the liquid control ability, can reach precision high, is more suitable for the three-dimensional printer based on powder and bonding agent principle.
The high-voltage electrostatic spinning technology is the important method for the preparation of superfine fibre grown up the domestic and international more than ten years recently.Electrospinning is proposed in 1934 by Formhzls the earliest
[7], subsequently the people such as Taylor in 1964 to the electrostatic spinning process in the distortion of electropolymer this concept of taylor cone has been proposed
[8], until eighties of last century people's nineties start the extensive concern Electrospinning.
At present, realized diameter preparation to nearly hundred kinds of different polymer nanofibers, all kinds polymer, inorganic matter composite nano fiber and inorganic nano-fibers in hundreds of nanometer range by several nanometers by this technology.The nano-fiber material prepared by the high-voltage electrostatic spinning technology shows great application potential at photoelectron, sensor and bio-science field.
Summary of the invention
The purpose of this utility model is to consider the problems referred to above and a kind of micro-nano 3 D-printing ejecting device that makes three-dimensionally shaped machining accuracy and process velocity be ensured is provided.The shower nozzle that the utility model solves the single size spray orifice can not meet the shortcoming of the processing that different accuracy requires when work, a kind of shower nozzle that contains multiple diameter dimensions spray orifice is provided, and control the duty of spray orifice by rationally reliable circuit, make shower nozzle can meet grand micro-compound three-dimensionally shaped processing, it is reasonable in design, convenient and practical.
The technical solution of the utility model is: micro-nano 3 D-printing ejecting device of the present utility model, include controller, material-storing box, the nozzle body part, described nozzle body partly includes three groups of nozzle arrays that diameter is different, it is respectively A group nozzle row, B organizes nozzle row, C organizes nozzle row, A organizes nozzle row, B organizes nozzle row, C group nozzle row is connected with three shower nozzles respectively, described controller comprises CPU, the first nozzle row controller, the second nozzle row controller, the 3rd nozzle row controller, driving power, CPU is controlled switching the first nozzle row controller by exporting different pulse signals, the second nozzle row controller, the work of the 3rd nozzle row controller, the first nozzle row controller, the second nozzle row controller, the 3rd nozzle row controller is controlled respectively A group nozzle row, B organizes nozzle row, the duty of each spray orifice in three groups of nozzle arrays of C group nozzle row.
Above-mentioned material-storing box is for storing the needed formed substance of three-dimensional fast shaping.
Above-mentioned nozzle body is partly the square structure for fixing whole shower nozzle.
Above-mentioned A group nozzle row is formed a line by 64 spray orifices.
Above-mentioned B group nozzle row is formed a line by 128 spray orifices.
Above-mentioned C group nozzle row is formed a line by 256 spray orifices.
The above-mentioned shower nozzle be connected with A group nozzle row, B group nozzle row, C group nozzle row respectively adopts high pressure syringe pump that solution is advanced to nozzle needle, and adopts the near field electrostatic spinning technology to carry out three-dimensional fast shaping.
Above-mentioned CPU is fpga chip.
The above-mentioned shower nozzle be connected with A group nozzle row, B group nozzle row, C group nozzle row respectively is connected with material-storing box respectively, and whether shower nozzle and material-storing box are controlled by controller in connected state.
The above-mentioned shower nozzle be connected with A group nozzle row, B group nozzle row, C group nozzle row respectively applies high voltage by high voltage source to the syringe needle of shower nozzle, by high-pressure electrostatic, by polymer solution, produces jet, finally at working face, carries out the high-precision three-dimensional moulding.
The utility model provide a kind of based on electrostatic spinning technique directly write the 3 D-printing shower nozzle, its structure mainly comprises that three groups of diameters are respectively 1mm, the nozzle array of 0.5mm and 0.1mm size, the nozzle body part, four parts of material-storing box and drive circuit form.Wherein three groups of spray orifices series for for different requirement on machining accuracy processing.Nozzle body is partly the shell of shower nozzle, for the position of each assembly of stationary nozzle.Storage and the transmission of the material that material-storing box is used for three-dimensional machine-shaping.Drive circuit is for controlling the duty of each spray orifice.Between material-storing box and spray orifice, with high pressure syringe pump able to programme, be connected.When not having making alive, nozzle place polymer solution is spherical drop at syringe needle due to the effect of surface tension and gravity, under the electric field force effect, the part that has polarity in solution in different lewis' acid will be assembled to different directions, and the electron deficient part in cation or molecule will be assembled in the drop surface at nozzle place.Connect high voltage source, the drop at the nozzle place will be elongated as taper from spherical drop, namely so-called " taylor cone ".At this, charged drop produces a concussion, unsettled injection stream stage stable after falling 5mm, therefore the position of distance within 5mm that keeps shower nozzle and machined surface, in the volatilization rapidly of drop drippage Solvent, finally obtain the fiberizing be shaped at assigned address.The utility model is compared with other prior aries, and its advantage is as follows:
1) use many group spray orifices, go for the three-dimensional fast shaping of different machining accuracies.
2) use many group spray orifices, can be at the shaping speed that guarantees the raising three-dimensional fast shaping under the required precision prerequisite.
3) when jet head sets is switched, carry out
the direction of principal axis bit shift compensation, can improve the formed precision of three-dimensional fast shaping.
4) utilize the electrostatic spinning principle to print, can realize micro-nano rank three-dimensional fast shaping, increase substantially the formed precision of three-dimensional fast shaping.
The utility model is that a kind of design is ingenious, function admirable, convenient and practical micro-nano 3 D-printing ejecting device.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is the three-dimensional nozzle printing device of the utility model;
Fig. 2 is that the utility model spray orifice is arranged schematic diagram;
The schematic diagram that Fig. 3 is the utility model drive circuit;
The schematic diagram that Fig. 4 is the utility model nozzle.
The specific embodiment
Embodiment:
Structural representation of the present utility model is as Fig. 1, 2, 3, shown in 4, micro-nano 3 D-printing ejecting device of the present utility model, include controller 1, material-storing box 2, nozzle body part 3, described nozzle body part 3 includes three groups of nozzle arrays 4 that diameter is different, is respectively A group nozzle row 5, B organizes nozzle row 6, C organizes nozzle row 7, and A organizes nozzle row 5, B organizes nozzle row 6, C group nozzle row 7 is connected with three shower nozzles respectively, and described controller 1 comprises CPU 11, the first nozzle row controller 12, the second nozzle row controller 13, the 3rd nozzle row controller 14, driving power 15, CPU 11 is controlled switching the first nozzle row controller 12 by exporting different pulse signals, the second nozzle row controller 13, the work of the 3rd nozzle row controller 14, the first nozzle row controller 12, the second nozzle row controller 13, the 3rd nozzle row controller 14 is controlled respectively A group nozzle row 5, B organizes nozzle row 6, the duty of each spray orifice in 7 three groups of nozzle arrays of C group nozzle row.
Above-mentioned material-storing box 2 is for storing the needed formed substance of three-dimensional fast shaping.
Above-mentioned nozzle body part 3 is the square structure for fixing whole shower nozzle.
In Fig. 2, nozzle array arranges three row, and above-mentioned A group nozzle row 5 has the spray orifice that 64 diameters are the 1mm size, and the spacing between spray orifice is 80um; B group nozzle row 6 is secondary series, and the spray orifice that 128 diameters are the 0.5mm size is arranged, and the spacing between spray orifice is 40um; C group nozzle row 7 is the 3rd row, and the spray orifice that 256 diameters are the 0.1mm size is arranged, and the spacing between spray orifice is 20um.Between row and row, the orifice center spacing is 2.25mm.
In Fig. 3, CPU 11 is controlled switching the first nozzle row controller 12 by exporting different pulse signals, the second nozzle row controller 13, the work of the 3rd nozzle row controller 14, the first nozzle row controller 12, the second nozzle row controller 13, the 3rd nozzle row controller 14 is controlled respectively A group nozzle row 5, B organizes nozzle row 6, the duty of each spray orifice in 7 three groups of nozzle arrays of C group nozzle row, the first 12 of nozzle row controllers comprise a sub-controller, control 64 spray orifices of A group nozzle row 5, spray front the first nozzle row controller 12 and input 64 bit binary data in the mode of serial shift, the state (do not spray or spray) of a spray orifice when spraying in the value of each binary digit (0 or 1) corresponding A group nozzle row 5, comprise two sub-controllers in the second nozzle row controller 13, control 128 spray orifices in B group nozzle row 6, each sub-controller is controlled wherein 64 spray orifices, spraying front the second nozzle row controller 13 need input 128 bit binary data in the mode of serial shift, the state (do not spray or spray) of a spray orifice when spraying in the corresponding B group of the value of each binary digit (0 or 1) nozzle row 6, the 3rd nozzle row controller 14 comprises four sub-controllers, control 256 spray orifices in C group nozzle row 7, each sub-controller is controlled wherein 64 spray orifices, spraying front the 3rd nozzle row controller 14 need input 256 bit binary data in the mode of serial shift, the state (do not spray or spray) of a spray orifice when spraying in the corresponding C group of the value of each binary digit (0 or 1) nozzle row 7.
When not high to required precision, acquiescence is used the spray orifice group that in A group nozzle row 5, diameter is 240um to carry out spray mo(u)lding work, and its directions X progress speed is V.When moving to
position, the moulding process that needs medium accuracy, by controller switching, be that the spray orifice group that in B group nozzle row 6, diameter is 120um is carried out work, shower nozzle moves 2.25mm to the x negative direction and makes bit shift compensation simultaneously, and on the x axle of accurately processing for the second time, original position is
, spray mo(u)lding speed now is V/2.When moving to
position, need more high-precision moulding process, by the controller spray orifice group of working, organize nozzle row (6) from B and be switched to the spray orifice group that C group nozzle row 7, diameter is 60um and carry out work, shower nozzle moves 2.25mm to the x negative direction again and makes bit shift compensation simultaneously, and on the x axle of accurately processing for the third time, original position is
, now spray mo(u)lding speed is V/4.
Just can accomplish the shower nozzle from A group nozzle row, the shower nozzle of B group nozzle row and the interjob that C organizes the shower nozzle of nozzle row by similar above step.When the shower nozzle that adopts A group nozzle row carries out work, three-dimensionally shaped precision is minimum, but three-dimensionally shaped fastest.When the shower nozzle that adopts C group nozzle row carries out work, three-dimensionally shaped precision is the highest, but three-dimensionally shaped speed is the slowest.B row shower nozzle is a transition between the two.
In Fig. 4, by high pressure syringe pump 8, injection of solution is advanced to spray orifice, then by high voltage source 9, to syringe needle, apply high voltage, make and form taylor cone near syringe needle, continue to improve voltage, will form one superfine jet flow and be injected on workbench 10.This burst of jet flow movement locus in 5mm is linear, so we can complete the high accuracy three-dimensional moulding by the near field moulding.
The utility model operation principle is: with controller, select different spray orifice groups to carry out work.Each spray orifice group is inputted a n bit binary data with controller in the mode of serial shift, and n is the number of reorganization spray orifice, the state (do not spray or spray) of the corresponding spray orifice of the value of each binary digit (0 or 1) when spraying.
When carrying out the shower nozzle switching, according to the big or small n of two groups of shower nozzle centre-to-centre spacing of switch and the direction of switching, printing head is walked in x axle direction of motion overhead
.
When the shower nozzle duty spray orifice that is the d size from diameter is converted to the spray orifice that diameter is the D size, its spraying frequency remains unchanged, and the feed rate of x direction is converted to D/d that V2(V1 is V2 doubly from V1).
By closed-loop control, required idling stopping distance and feed rate are fed back to motor control card, for controlling feeding rate.
Claims (10)
1. a micro-nano 3 D-printing ejecting device, is characterized in that including controller (1), material-storing box (2), nozzle body part (3), described nozzle body part (3) includes three groups of nozzle arrays (4) that diameter is different, is respectively A group nozzle row (5), B organizes nozzle row (6), C organizes nozzle row (7), and A organizes nozzle row (5), B organizes nozzle row (6), C group nozzle row (7) is connected with three shower nozzles respectively, and described controller (1) comprises CPU (11), the first nozzle row controller (12), the second nozzle row controller (13), the 3rd nozzle row controller (14), driving power (15), CPU (11) is controlled switching the first nozzle row controller (12) by exporting different pulse signals, the second nozzle row controller (13), the work of the 3rd nozzle row controller (14), the first nozzle row controller (12), the second nozzle row controller (13), the 3rd nozzle row controller (14) is controlled respectively A group nozzle row (5), B organizes nozzle row (6), the duty of each spray orifice in (7) three groups of nozzle arrays of C group nozzle row.
2. micro-nano 3 D-printing ejecting device according to claim 1, is characterized in that above-mentioned material-storing box (2) is for storing the needed formed substance of three-dimensional fast shaping.
3. micro-nano 3 D-printing ejecting device according to claim 1, is characterized in that above-mentioned nozzle body part (3) is for the square structure for fixing whole shower nozzle.
4. micro-nano 3 D-printing ejecting device according to claim 1, is characterized in that above-mentioned A group nozzle row (5) is formed a line by 64 spray orifices.
5. micro-nano 3 D-printing ejecting device according to claim 1, is characterized in that above-mentioned B group nozzle row (6) is formed a line by 128 spray orifices.
6. micro-nano 3 D-printing ejecting device according to claim 1, is characterized in that above-mentioned C group nozzle row (7) is formed a line by 256 spray orifices.
7. according to the described micro-nano 3 D-printing of claim 1 to 6 any one ejecting device, it is characterized in that the above-mentioned shower nozzle be connected with A group nozzle row (5), B group nozzle row (6), C group nozzle row (7) respectively adopts high pressure syringe pump (8) that solution is advanced to nozzle needle, and adopt the near field electrostatic spinning technology to carry out three-dimensional fast shaping.
8. micro-nano 3 D-printing ejecting device according to claim 7, is characterized in that above-mentioned CPU (11) is for fpga chip.
9. micro-nano 3 D-printing ejecting device according to claim 7, it is characterized in that the above-mentioned shower nozzle be connected with A group nozzle row (5), B group nozzle row (6), C group nozzle row (7) respectively is connected with material-storing box respectively, whether shower nozzle and material-storing box are controlled by controller in connected state.
10. micro-nano 3 D-printing ejecting device according to claim 7, it is characterized in that the above-mentioned shower nozzle is connected with A group nozzle row (5), B group nozzle row (6), C group nozzle row (7) respectively applies high voltage by high voltage source (9) to the syringe needle of shower nozzle, produce jet by high-pressure electrostatic by polymer solution, finally at working face, carry out the high-precision three-dimensional moulding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320439636 CN203344321U (en) | 2013-07-23 | 2013-07-23 | Micro-nano three-dimensional printing spray head device |
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|---|---|---|---|
| CN 201320439636 CN203344321U (en) | 2013-07-23 | 2013-07-23 | Micro-nano three-dimensional printing spray head device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407163A (en) * | 2013-07-23 | 2013-11-27 | 广东工业大学 | Micro-nano three-dimensional printing nozzle device |
| CN105313339A (en) * | 2015-12-01 | 2016-02-10 | 芜湖纯元光电设备技术有限公司 | Adjustable electrostatic 3D printer |
| CN105751694A (en) * | 2014-12-19 | 2016-07-13 | 泰科电子(上海)有限公司 | 3D inkjet printing system and method |
| CN114571720A (en) * | 2022-01-25 | 2022-06-03 | 深圳市纵维立方科技有限公司 | Photocuring printer |
-
2013
- 2013-07-23 CN CN 201320439636 patent/CN203344321U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407163A (en) * | 2013-07-23 | 2013-11-27 | 广东工业大学 | Micro-nano three-dimensional printing nozzle device |
| CN103407163B (en) * | 2013-07-23 | 2016-06-22 | 广东工业大学 | A kind of micro-nano 3 D-printing ejecting device |
| CN105751694A (en) * | 2014-12-19 | 2016-07-13 | 泰科电子(上海)有限公司 | 3D inkjet printing system and method |
| CN105313339A (en) * | 2015-12-01 | 2016-02-10 | 芜湖纯元光电设备技术有限公司 | Adjustable electrostatic 3D printer |
| CN114571720A (en) * | 2022-01-25 | 2022-06-03 | 深圳市纵维立方科技有限公司 | Photocuring printer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181213 Address after: 528000 Room 103, 71 Lihe Science and Technology Industry Center, 33 South Information Avenue, Shishan Town, Nanhai District, Foshan City, Guangdong Province Patentee after: FOSHAN QINGZI PRECISION MEASUREMENT AND CONTROL TECHNOLOGY Co.,Ltd. Address before: 510006 Panyu District, Guangzhou, Guangdong, Panyu District, No. 100, West Ring Road, outside the city. Patentee before: Guangdong University of Technology |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |