CN104175557A - 3D printing head system based on droplet control and printing method thereof - Google Patents
3D printing head system based on droplet control and printing method thereof Download PDFInfo
- Publication number
- CN104175557A CN104175557A CN201410384376.7A CN201410384376A CN104175557A CN 104175557 A CN104175557 A CN 104175557A CN 201410384376 A CN201410384376 A CN 201410384376A CN 104175557 A CN104175557 A CN 104175557A
- Authority
- CN
- China
- Prior art keywords
- powder
- printing
- printhead
- gas
- printing head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a 3D printing head system based on droplet control and a printing method thereof. The printing head system comprises a printing head, wherein a gas inlet of the printing head is connected with a gas outlet of a printing head controller by a gas conveying pipe; a gas inlet of the printing head controller is connected with a gas output valve arranged on a gas outlet of a gas compressor by the gas conveying pipe; the printing head controller is provided with a gas pressure adjusting knob and a vacuum degree adjusting knob. An integrated dispensing head system is adopted as the printing head system for powder 3D printing, and the glue discharging speed and the glue discharging amount of the printing head 4 can be controlled by controlling the pressure and the flowing speed of compressed gas, so that the high-accuracy and high-efficiency powder 3D printing can be realized, not only is the controllability of glue discharging guaranteed, but also the glue discharging uniformity is guaranteed; according to the powder 3D printing method disclosed by the invention, the requirement on the bonding agents materials is not high, the common glue can be used as a bonding agent for printing, the material compatibility is wide, and a needle head of the printing head can be replaced conveniently and is cheap.
Description
Technical field
The present invention relates to powder 3D printing technique field, be specifically related to a kind of 3D printhead system and Method of printing thereof of controlling based on droplet.
Background technology
It is a kind of 3D Method of printing that utilizes droplet ejection, powder bonding technology that powder 3D prints (3DP).Shower nozzle is under computer control, and according to the information of current minute layer cross section, on one deck dusty material of completing in advance, jet binder, makes part powder bonding selectively, forms one deck cross section thin layers; After one deck has been shaped, the workbench bed thickness that declines, carries out the paving powder of lower one deck, constituency jet binder then, and shaping thin layer also can stick to one with formation of parts simultaneously; Continuous this process of circulation, until part processes; Conventionally the part of formed thereby also needs certain post processing, as dry, sintering etc., thereby obtains last part.
Yet existing powder 3D Method of printing exists following problem:
One, existing powder 3D Method of printing takes ink-jet head of printer as printhead mostly, but the gel quantity of this ink gun and plastic emitting speed are difficult to realize accurate control, simultaneously, restriction due to ink gun structure, its maximum gel quantity and plastic emitting speed are not high, are difficult to meet high speed, the technique of powder 3D printing efficiently;
Two, existing ink jet-print head has very high requirement for binding agent, should require its viscosity lower, and mobility is better, also will require its stable in properties, in order to avoid stop up shower nozzle, therefore existing powder 3D printer has larger material limitation; And even if adopted the binding agent of low-viscosity stable, not maintainable damage also appears in the ink-jet head of printer of this precise structure unavoidably, replacement cost is higher;
Three, the injection needle tube of existing powder 3D printer employing based on micro syringe pump is as printhead at present, and still this printhead is out of ink inhomogeneous, can cause powder 3D print procedure technique unstable, can not get desirable part.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of 3D printhead system and Method of printing thereof of controlling based on droplet, printhead system can be realized the high accuracy of plastic emitting speed and gel quantity and control, and its printhead needle head replacing is convenient, low price.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of 3D printhead system of controlling based on droplet, comprise printhead 7, the air inlet of printhead 7 is by carrying tracheae 3 to be connected with the gas outlet of print head controller 4, the air inlet of print head controller 4 is by carrying tracheae 3 to be connected with the gas output valve 2 being equipped with on air compressor machine 1 gas outlet, print head controller 4 is provided with air pressure and adjusts knob 5, vacuum is adjusted knob 6, printhead 7 is connected on printing head support part 9, printing head support part 9 is connected with two dimensional surface motion platform 8, two dimensional surface motion platform 8 is connected with powder-laying roller 10, drive powder-laying roller 10 to move back and forth at moulding cylinder 11 and on for powder cylinder 12, moulding cylinder 11 interconnects with supplying powder cylinder 12, and be placed in two dimensional surface motion platform 8 belows.
The Method of printing of the described 3D printhead system of controlling based on droplet, comprises the following steps:
1) open air compressor machine 1, wait for a period of time and make its chamber internal gas pressure reach setting pressure values, then open the gas output valve 2 of air compressor machine 1, make it by carrying tracheae 3 that Compressed Gas is delivered in print head controller 4;
2) according to technological requirement, the air pressure of adjusting on print head controller 4 is adjusted knob 5, and vacuum adjustment knob 6, suitable and stable to guarantee print head controller 4 air pressure inside pressure;
3) print head controller 4 is by carrying tracheae 3 that gas is sent into printhead 7, and print head controller 4 is by the control for Compressed Gas transmission, thereby controls the break-make that printhead 7 plastic emittings are printed, with and gel quantity and plastic emitting speed, realize precise Printing;
4) in computer, set up threedimensional model, and this threedimensional model is carried out to layering processing and path data processing;
5) process data of current layer is sent in the middle of machine, by controlling two dimensional surface motion platform 8, drive printing head support part 9 and the printhead 7 on it, and powder-laying roller 10 moves;
6) at two dimensional surface motion platform 8, drive powder-laying roller 10 from supplying powder cylinder 12 ends to moulding cylinder 11 end motion processes, powder-laying roller 10 will make be pushed in moulding cylinder 11 and pave powder for the powder in powder cylinder 12;
7) after current powder bed is paved, two dimensional surface motion platform 8 drives printhead 7 according to the information of current minute layer cross section, on one deck dusty material of completing in advance in moulding cylinder 11, jet binder selectively, be coated on part powder, form one deck cross section thin layers, the switch of its plastic emitting, gel quantity, plastic emitting speed are accurately controlled by print head controller 4;
8) complete after the bonding of current layer, two-dimension moving platform 8 drives jet-printing head 7 to get back to one end of not closing on moulding cylinder 11 for powder cylinder 12, then for a lift height of powder cylinder 12 risings, and a lift height of moulding cylinder 11 declines;
9) repeating step 3)～step 8), until part completes.
The printhead system that the present invention adopts integrated Glue dripping head system to print as powder 3D, can be by controlling pressure and the flow velocity of Compressed Gas, thereby control plastic emitting speed and the gel quantity of printhead 4, realize high accuracy, powder 3D printing efficiently, both guarantee the controllability of plastic emitting, guaranteed again the uniformity of plastic emitting; Meanwhile, in the present invention, the plastic emitting speed of printhead 7 and gel quantity have very large adjustable extent, can meet well powder 3D and print the requirement for different process, different materials; And, powder 3D Method of printing in the present invention is less demanding for binder material, do not need it to there is very low viscosity and good mobility, general conventional glue can be printed binding agent as it, there is material compatibility widely, and its printhead needle head replacing is convenient, low price.
Accompanying drawing explanation
Accompanying drawing is the equipment connection schematic diagram that 3D printhead system of the present invention and printing adopt.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
With reference to accompanying drawing, a kind of 3D printhead system of controlling based on droplet, comprise printhead 7, the air inlet of printhead 7 is by carrying tracheae 3 to be connected with the gas outlet of print head controller 4, the air inlet of print head controller 4 is by carrying tracheae 3 to be connected with the gas output valve 2 being equipped with on air compressor machine 1 gas outlet, print head controller 4 is provided with air pressure and adjusts knob 5, vacuum is adjusted knob 6, printhead 7 is connected on printing head support part 9, printing head support part 9 is connected with two dimensional surface motion platform 8, two dimensional surface motion platform 8 is connected with powder-laying roller 10, drive powder-laying roller 10 to move back and forth at moulding cylinder 11 and on for powder cylinder 12, moulding cylinder 11 interconnects with supplying powder cylinder 12, and be placed in two dimensional surface motion platform 8 belows.
With reference to accompanying drawing, the Method of printing of the described 3D printhead system of controlling based on droplet, comprises the following steps:
1) open air compressor machine 1, wait for a period of time and make its chamber internal gas pressure reach setting pressure values, then open the gas output valve 2 of air compressor machine 1, make it by carrying tracheae 3 that Compressed Gas is delivered in print head controller 4;
2) according to technological requirement, the air pressure of adjusting on print head controller 4 is adjusted knob 5, and vacuum adjustment knob 6, suitable and stable to guarantee print head controller 4 air pressure inside pressure;
3) print head controller 4 is by carrying tracheae 3 that gas is sent into printhead 7, and print head controller 4 is by the control for Compressed Gas transmission, thereby controls the break-make that printhead 7 plastic emittings are printed, with and gel quantity and plastic emitting speed, realize precise Printing;
4) in computer, set up threedimensional model, and this threedimensional model is carried out to layering processing and path data processing;
5) process data of current layer is sent in the middle of machine, by controlling two dimensional surface motion platform 8, drive printing head support part 9 and the printhead 7 on it, and powder-laying roller 10 moves;
6) at two dimensional surface motion platform 8, drive powder-laying roller 10 from supplying powder cylinder 12 ends to moulding cylinder 11 end motion processes, powder-laying roller 10 will make be pushed in moulding cylinder 11 and pave powder for the powder in powder cylinder 12;
7) after current powder bed is paved, two dimensional surface motion platform 8 drives printhead 7 according to the information of current minute layer cross section, on one deck dusty material of completing in advance in moulding cylinder 11, jet binder selectively, be coated on part powder, form one deck cross section thin layers, the switch of its plastic emitting, gel quantity, plastic emitting speed are accurately controlled by print head controller 4;
8) complete after the bonding of current layer, two-dimension moving platform 8 drives jet-printing head 7 to get back to one end of not closing on moulding cylinder 11 for powder cylinder 12, then for a lift height of powder cylinder 12 risings, and a lift height of moulding cylinder 11 declines;
9) repeating step 3)～step 8), until part completes.
Claims (2)
1. a 3D printhead system of controlling based on droplet, comprise printhead (7), it is characterized in that: the air inlet of printhead (7) is by carrying tracheae (3) to be connected with the gas outlet of print head controller (4), the air inlet of print head controller (4) is by carrying tracheae (3) to be connected with the gas output valve (2) being equipped with on air compressor machine (1) gas outlet, print head controller (4) is provided with air pressure and adjusts knob (5), vacuum is adjusted knob (6), printhead (7) is connected on printing head support part (9), printing head support part (9) is connected with two dimensional surface motion platform (8), two dimensional surface motion platform (8) is connected with powder-laying roller (10), drive powder-laying roller (10) to move back and forth at moulding cylinder (11) and on for powder cylinder (12), moulding cylinder (11) interconnects with supplying powder cylinder (12), and be placed in below two dimensional surface motion platform (8).
2. the Method of printing of a kind of 3D printhead system of controlling based on droplet according to claim 1, is characterized in that, comprises the following steps:
1) open air compressor machine (1), wait for a period of time and make its chamber internal gas pressure reach setting pressure values, then open the gas output valve (2) of air compressor machine (1), make it by carrying tracheae (3) that Compressed Gas is delivered in print head controller (4);
2) according to technological requirement, the air pressure of adjusting on print head controller (4) is adjusted knob (5), and vacuum adjustment knob (6), suitable and stable to guarantee print head controller (4) air pressure inside pressure;
3) print head controller (4) is by carrying tracheae (3) that gas is sent into printhead (7), print head controller (4) is by the control for Compressed Gas transmission, thereby control the break-make that printhead (7) plastic emitting is printed, with and gel quantity and plastic emitting speed, realize precise Printing;
4) in computer, set up threedimensional model, and this threedimensional model is carried out to layering processing and path data processing;
5) process data of current layer is sent in the middle of machine, by controlling two dimensional surface motion platform (8), drive printing head support part (9) and the printhead (7) on it, and powder-laying roller (10) moves;
6) at two dimensional surface motion platform (8), drive powder-laying roller (10) from holding to moulding cylinder (11) end motion process for powder cylinder (12), powder-laying roller (10) will make be pushed in moulding cylinder (11) and pave powder for the powder in powder cylinder (12);
7) after current powder bed is paved, two dimensional surface motion platform (8) drives printhead (7) according to the information of current minute layer cross section, on one deck dusty material of completing in advance in moulding cylinder (11), jet binder selectively, be coated on part powder, form one deck cross section thin layers, the switch of its plastic emitting, gel quantity, plastic emitting speed are accurately controlled by print head controller (4);
8) complete after the bonding of current layer, two-dimension moving platform (8) drives jet-printing head (7) to get back to one end of not closing on moulding cylinder (11) for powder cylinder (12), then supply a lift height of powder cylinder (12) rising, a lift height of moulding cylinder (11) decline;
9) repeating step 3)～step 8), until part completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410384376.7A CN104175557A (en) | 2014-08-06 | 2014-08-06 | 3D printing head system based on droplet control and printing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410384376.7A CN104175557A (en) | 2014-08-06 | 2014-08-06 | 3D printing head system based on droplet control and printing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104175557A true CN104175557A (en) | 2014-12-03 |
Family
ID=51957048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410384376.7A Pending CN104175557A (en) | 2014-08-06 | 2014-08-06 | 3D printing head system based on droplet control and printing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104175557A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960202A (en) * | 2015-06-29 | 2015-10-07 | 华中科技大学 | 3D printing device and method |
| CN104999668A (en) * | 2015-06-25 | 2015-10-28 | 浙江大学 | Rotary type tubular tissue biological 3D printing device and method thereof |
| CN105058797A (en) * | 2015-08-20 | 2015-11-18 | 上海中医药大学附属岳阳中西医结合医院 | 3D printing method for beauty nails |
| CN106001576A (en) * | 2016-05-19 | 2016-10-12 | 西安交通大学 | Melt flow control method and device for melt coating additive manufacturing |
| CN107414080A (en) * | 2016-05-23 | 2017-12-01 | 中国科学院理化技术研究所 | Liquid metal 3D printing ejecting device and the 3D printer provided with the device |
| CN113977948A (en) * | 2020-07-27 | 2022-01-28 | 共享智能铸造产业创新中心有限公司 | 3D printing method, printer, system and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202448496U (en) * | 2012-03-02 | 2012-09-26 | 华中科技大学 | Piezoelectric three-dimensional printing shaping system |
| CN203136994U (en) * | 2013-01-16 | 2013-08-21 | 增城市立高食品有限公司 | Multifunctional food printer |
| JP2014097658A (en) * | 1999-03-01 | 2014-05-29 | Objet Geometries Ltd | Three dimensional printing method |
| CN203622703U (en) * | 2013-11-06 | 2014-06-04 | 西安中科麦特电子技术设备有限公司 | Photo-cured 3D (three-dimensional) printing material supplying gas path system |
| WO2014101019A1 (en) * | 2012-12-26 | 2014-07-03 | 机械科学研究总院先进制造技术研究中心 | Material increase manufacturing method through multi-metal liquid spray deposition |
| CN103932369A (en) * | 2014-04-09 | 2014-07-23 | 西安交通大学 | Controllable jetting type food 3D (Three-Dimensional) printing equipment and method |
-
2014
- 2014-08-06 CN CN201410384376.7A patent/CN104175557A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014097658A (en) * | 1999-03-01 | 2014-05-29 | Objet Geometries Ltd | Three dimensional printing method |
| CN202448496U (en) * | 2012-03-02 | 2012-09-26 | 华中科技大学 | Piezoelectric three-dimensional printing shaping system |
| WO2014101019A1 (en) * | 2012-12-26 | 2014-07-03 | 机械科学研究总院先进制造技术研究中心 | Material increase manufacturing method through multi-metal liquid spray deposition |
| CN203136994U (en) * | 2013-01-16 | 2013-08-21 | 增城市立高食品有限公司 | Multifunctional food printer |
| CN203622703U (en) * | 2013-11-06 | 2014-06-04 | 西安中科麦特电子技术设备有限公司 | Photo-cured 3D (three-dimensional) printing material supplying gas path system |
| CN103932369A (en) * | 2014-04-09 | 2014-07-23 | 西安交通大学 | Controllable jetting type food 3D (Three-Dimensional) printing equipment and method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999668A (en) * | 2015-06-25 | 2015-10-28 | 浙江大学 | Rotary type tubular tissue biological 3D printing device and method thereof |
| CN104960202A (en) * | 2015-06-29 | 2015-10-07 | 华中科技大学 | 3D printing device and method |
| CN104960202B (en) * | 2015-06-29 | 2017-05-10 | 华中科技大学 | 3D printing device and method |
| CN105058797A (en) * | 2015-08-20 | 2015-11-18 | 上海中医药大学附属岳阳中西医结合医院 | 3D printing method for beauty nails |
| CN106001576A (en) * | 2016-05-19 | 2016-10-12 | 西安交通大学 | Melt flow control method and device for melt coating additive manufacturing |
| CN106001576B (en) * | 2016-05-19 | 2018-12-07 | 西安交通大学 | A kind of the melt flow control method and device of fusion coating increasing material manufacturing |
| CN107414080A (en) * | 2016-05-23 | 2017-12-01 | 中国科学院理化技术研究所 | Liquid metal 3D printing ejecting device and the 3D printer provided with the device |
| CN107414080B (en) * | 2016-05-23 | 2024-04-16 | 中国科学院理化技术研究所 | Liquid metal 3D prints shower nozzle device and is equipped with device's 3D printer |
| CN113977948A (en) * | 2020-07-27 | 2022-01-28 | 共享智能铸造产业创新中心有限公司 | 3D printing method, printer, system and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104175557A (en) | 3D printing head system based on droplet control and printing method thereof | |
| CN110614767B (en) | Solid-liquid material combined type double-nozzle 3D printer and printing method thereof | |
| US9314812B2 (en) | Jetting discrete volumes of high viscosity liquid | |
| JP6614135B2 (en) | Powder material supply device for 3D modeling equipment | |
| CN106313505B (en) | A kind of two-component mixing silica gel 3D printer and its Method of printing | |
| CN103182840A (en) | Micro injector type multi-spray-head three-dimensional printing machine | |
| CN104552949A (en) | High-speed printing head of 3D printer | |
| CN103817942A (en) | Digital material 3D (Three Dimensional) printing head | |
| TW201904672A (en) | Fluid module, modular jetting devices, and jetting device | |
| CN102527541A (en) | Two-fluid jet system | |
| CN103230849B (en) | A kind of switch flow control type droplet ejection device based on magnetostrictive actuator | |
| CN106003733B (en) | 3D printing device and method based on electromagnetic emission technique | |
| CN107321986A (en) | The electric field driven jet deposition 3D printing device printed for high viscosity conductive material | |
| CN106903996B (en) | Printing apparatus | |
| CN105861308A (en) | Multi-microdroplet accurate jet cell 3D printing apparatus and method thereof | |
| CN107159490A (en) | droplet ejection robot and robot droplet ejection control method | |
| JP2015196254A (en) | Powder material feeder for three-dimensional molding apparatus | |
| CN211542398U (en) | Solid-liquid material convolution dual spray 3D printer | |
| CN209111528U (en) | A kind of laser sintered 3D printing molding machine of rubber powder | |
| JP2019170369A (en) | Improved extrusion process and associated device | |
| CN207255249U (en) | A kind of pneumatic extruder head device being applied in 3D printer | |
| JP2015029966A (en) | Droplet coating apparatus | |
| EP2286926A2 (en) | Powder transport method and system for transporting powder constantly and smoothly | |
| CN103977933A (en) | Double-motor control and single-nozzle measurement glue injection device | |
| CN204451218U (en) | 3D printer flying print head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141203 |