CN105312572B - Molten iron alloy low-gravity 3D printing method and device - Google Patents
Molten iron alloy low-gravity 3D printing method and device Download PDFInfo
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- CN105312572B CN105312572B CN201510788846.0A CN201510788846A CN105312572B CN 105312572 B CN105312572 B CN 105312572B CN 201510788846 A CN201510788846 A CN 201510788846A CN 105312572 B CN105312572 B CN 105312572B
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Abstract
The invention provides a molten iron alloy low-gravity 3D printing method and device and belongs to the technical field of metal material machining and manufacturing. The device comprises a high-temperature molten iron alloy container, a molten iron alloy ceramic conduit, a heating coil, a molten iron alloy flow control valve, a temperature measurement thermocouple, a molten iron alloy printing nozzle, molten metal zinc, a molten metal zinc containing tank and an iron alloy printing base plate, wherein the molten iron alloy ceramic conduit is installed below the high-temperature molten iron alloy container, the heating coil is arranged on the outer side of the molten iron alloy ceramic conduit, and molten iron alloy is conveyed to the molten iron alloy printing nozzle through the molten iron alloy flow control valve; the molten metal zinc containing tank is arranged below the molten iron alloy printing nozzle, the iron alloy printing base plate is arranged on the bottom of the molten metal zinc containing tank, and component printing starts from the base plate. By the adoption of the device, complicated iron alloy component machining efficiency can be improved, and product quality can be improved.
Description
Technical field
The present invention relates to metal material processing and manufacturing technology field, particularly relate to a kind of melting ferroalloy low gravitation 3D and beat
The method and apparatus that printing is made.
Background technology
3D printing manufacturing technology is one of representative new technology of intelligence manufacture development, and its main method is by material heap
Long-pending mode is by the direct machine-shaping of mathematical model or part (Yang Yongqiang, the Liu Yang, Song brightness long of product《Metal parts 3D printing
The state of the art and progress》, electromechanical engineering technology, 2013,42 (4)：1-7.), 3D printing technique in medical science, aviation, build
The field such as build and achieve application (Ceng Guang, Han Zhiyu, Liang Shujin, Zhang Peng, Chen little Lin, Zhang Pingxiang《Metal parts 3D printing technique
Application study》, Chinese material progress, 2014,33 (6)：376-382.).But in the raw material of current 3D printing, metal material master
To be powder, and be molded by laser or plasma sintering technique, thus with efficiency it is slow, compactness is not enough and mechanical property
(Wang Shufeng, Ji Qiang, Chi Jing, Zhao Jian, soar the low shortcoming of energy, Li Hui fine jades《Beam-plasma grinding in metal parts 3D printing
Study carefully present situation and development trend》, material Leader, 2015,29 (1)：111-116.), for the application of high-volume or large-size components
Demand is difficult to meet.With the continuing to develop of 3D printing technique, the progress of related metallurgical and control technology, using molten metal
Carrying out directly printing processing will turn into a kind of important method (Qi Lehua, Zhong Songyi, Luo Jun of metal material processing, production《Base
In the 3D printing technique of homogeneous metal droplet ejection》, Chinese science:Information science, 2015,45 (2)：：212–223.).But by
In molten metal be easy in atmosphere oxidation and due to Action of Gravity Field under trickling and splashing so that the surface quality of product
It is poor that (willow is built, Yin Fengliang, Meng Fanjun, Gu Haiqing《3D printing remanufactures the problem of presently, there are and counter-measure》, machinery,
2014,41 (6)：8-11.).Simultaneously for the landscape orientation of space wide-angle, due to Action of Gravity Field, it is necessary to carry out auxiliary branch
Support so that complex process, to some situations, the removal of Auxiliary support is also a cumbersome problem, so if there is one
Can solve the problems, such as that the application of the 3D printing of molten metal will be more extensive caused by oxidation and gravity.The application is carried
The scheme for going out has good resolution ability for these problems.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of method and dress for melting ferroalloy low gravitation 3D printing manufacture
Put.
The device includes the supply of melting ferroalloy and print system and molten metal zinc and temperature control system, molten iron
Alloy is supplied and print system includes high-temperature molten-state ferroalloy container, molten state ferroalloy ceramic conduit, heating coil, melting
State ferroalloy flow control valve, temperature measuring thermocouple and molten state ferroalloy printing nozzle, molten metal zinc and temperature control
System processed include molten metal zinc, molten metal zinc container slot, ferroalloy printing base plate and molten metal zinc heating and
Chilling temperature regulating system；Wherein, molten state ferroalloy ceramic conduit is installed on high-temperature molten-state ferroalloy container lower section, melting
State ferroalloy ceramic conduit outside is heating coil, and heating coil collectively forms temperature control system with temperature measuring thermocouple,
Molten state ferroalloy is sent to molten state ferroalloy printing nozzle, molten state ferroalloy by molten state ferroalloy flow control valve
Printing nozzle lower section is molten metal zinc container slot, molten metal zinc container slot storage inside molten metal zinc, melting
The heating of molten metal zinc and chilling temperature regulating system are set in state metallic zinc container slot, in molten metal zinc container slot
Bottom sets ferroalloy printing base plate.Wherein, molten state ferroalloy flow control valve is electromagnetic throttle valve.
Before printing, before metallic zinc begins to warm up, whole device (including the supply of melting ferroalloy and print system) is put
In in vacuum tank, when the vacuum in vacuum tank reaches certain value, start that metallic zinc is carried out to be heated to molten state.Entirely beat
Print process is carried out under vacuum state or inert gas shielding state.
During printing, molten metal zinc container slot is motionless, the supply of melting ferroalloy and print system mass motion, and it can be
Tri- directions of X, Y, Z carry out free cooperative motion by molten state ferroalloy printing nozzle is placed in inside molten metal zinc, in iron
Start successively to print on alloy printing base plate.After the completion of printing, molten state ferroalloy printing nozzle is carried away into molten metal zinc
Liquid surface, part is together taken out together with ferroalloy printing base plate.
Because relatively low (420 DEG C) ferroalloy meeting quick solidifications for entering fused zinc groove of the fusing point of metallic zinc are molded, while can
To avoid the oxidation in ferroalloy print procedure；The density of motlten metal zinc is 7.14g/cm3, and melt the density of ferroalloy about
It is 7.8g/cm3, the density compared with fused zinc is slightly higher, can substantially reduce in melting ferroalloy print procedure due to flying caused by gravity
Splash and trickle, be applicable to the complex-shaped part of printing.
Above-mentioned technical proposal of the invention has the beneficial effect that：
The device by the use of low melting point molten metal zinc as auxiliary print media, iron conjunction is carried out in motlten metal zinc
The printing shaping of gold, using the coefficient of heat transfer high between motlten metal zinc and melting ferroalloy, makes melting ferroalloy rapid solidification
Shaping, using the buoyancy of motlten metal zinc, makes it possible space wide-angle landscape orientation, while avoiding melting ferroalloy from printing
The surface quality problems that process is outflowed and splashing is caused.The processing efficiency of complex ferroalloy component can be improved, product matter is improved
Amount.
Brief description of the drawings
Fig. 1 is the structural representation of the device of melting ferroalloy low gravitation 3D printing manufacture of the invention.
Wherein：1- high-temperature molten-state ferroalloy containers；2- molten state ferroalloy ceramic conduits；3- heating coils；4- is melted
State ferroalloy flow control valve；5- temperature measuring thermocouples；6- molten state ferroalloy printing nozzles；7- molten metal zinc；8-
Molten metal zinc container slot；9- ferroalloys print base plate；10- molten metals zinc is heated and chilling temperature regulating system.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of method and apparatus for melting ferroalloy low gravitation 3D printing manufacture, as shown in figure 1, the device
In, molten state ferroalloy ceramic conduit 2 is installed on the lower section of high-temperature molten-state ferroalloy container 1, molten state ferroalloy ceramic conduit 2
Outside is heating coil 3, and heating coil 3 collectively forms temperature control system with temperature measuring thermocouple 5, and molten state ferroalloy leads to
Cross molten state ferroalloy flow control valve 4 and be sent to molten state ferroalloy printing nozzle 6, under molten state ferroalloy printing nozzle 6
Side is molten metal zinc container slot 8, the storage inside molten metal zinc 7 of molten metal zinc container slot 8, molten metal zinc
The heating of molten metal zinc and chilling temperature regulating system 10 are set in container slot 8, in the bottom of molten metal zinc container slot 8
Ferroalloy printing base plate 9 is set.
After molten state ferroalloy 3D printing device installation and debugging are finished, vacuum tank is vacuumized, when vacuum reaches certain journey
After degree, high-temperature molten-state ferroalloy container and pipeline heating system are opened, high-temperature molten-state ferroalloy container and pipeline reach and set
Constant temperature degree.Metallic zinc is begun to warm up and molten metal zinc is maintained at appropriate temperature range simultaneously.Close molten state iron
Inside the immersion molten metal zinc liquid of golden printing nozzle 6, and proper height is adjusted to, adjusts molten state ferroalloy Flow-rate adjustment
Valve, follow procedure starts to be moved by setting track on ferroalloy printing base plate, prints required size members.
Embodiment 1
It is to the temperature that controls in molten state ferroalloy selection liquid metal vessels, pipeline and middle liquid metal bag
1520-1540 DEG C, the temperature for controlling molten metal zinc is 440-450 DEG C.Control metal flow for 1ml/s, molten state iron is closed
Golden printing nozzle 6 moves horizontally speed for 200mm/s, and each vertical travel distance is 2mm.It is 2.5mm sheet materials to be capable of achieving thickness
And the printing manufacture of part.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (3)
- It is 1. a kind of to melt the device that the 3D printing of ferroalloy low gravitation is manufactured, it is characterised in that：Supply and beat including melting ferroalloy Print system and molten metal zinc and temperature control system, the supply of melting ferroalloy and print system are closed including high-temperature molten-state iron Golden container (1), molten state ferroalloy ceramic conduit (2), heating coil (3), molten state ferroalloy flow control valve (4), temperature Measurement thermocouple (5) and molten state ferroalloy printing nozzle (6), molten metal zinc and temperature control system include molten state gold Category zinc (7), molten metal zinc container slot (8), ferroalloy print base plate (9) and the heating of molten metal zinc and chilling temperature is adjusted Section system (10)；Wherein, molten state ferroalloy ceramic conduit (2) is installed on high-temperature molten-state ferroalloy container (1) lower section, melting State ferroalloy ceramic conduit (2) outside is heating coil (3), and heating coil (3) collectively forms temperature with temperature measuring thermocouple (5) Degree control system, molten state ferroalloy is sent to molten state ferroalloy and prints spray by molten state ferroalloy flow control valve (4) Mouth (6), molten state ferroalloy printing nozzle (6) lower section is molten metal zinc container slot (8), molten metal zinc container slot (8) heating of molten metal zinc is set in storage inside molten metal zinc (7), molten metal zinc container slot (8) and is cooled down Humidity control system (10), sets ferroalloy and prints base plate (9) in the bottom of molten metal zinc container slot (8).
- 2. the device that a kind of melting ferroalloy low gravitation according to claim 1 3D printing is manufactured, it is characterised in that：It is described Molten state ferroalloy flow control valve (4) is electromagnetic throttle valve.
- 3. the application method of a kind of device for melting ferroalloy low gravitation 3D printing manufacture according to claim 1, it is special Levy and be：Before printing, the device is placed in vacuum tank, heating molten metal zinc (7), during printing, molten metal zinc holds Tank (8) is motionless, and the supply of melting ferroalloy and print system integrally carry out free cooperative motion in tri- directions of X, Y, Z, melt State ferroalloy printing nozzle (6) is placed in molten metal zinc (7) inside, is printed in ferroalloy and starts successively to print on base plate (9), After the completion of printing, molten state ferroalloy printing nozzle (6) carries away molten metal zinc (7) surface, by printed part together with Ferroalloy prints base plate (9) and together takes out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788846.0A CN105312572B (en) | 2015-11-17 | 2015-11-17 | Molten iron alloy low-gravity 3D printing method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788846.0A CN105312572B (en) | 2015-11-17 | 2015-11-17 | Molten iron alloy low-gravity 3D printing method and device |
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| Publication Number | Publication Date |
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| CN105312572A CN105312572A (en) | 2016-02-10 |
| CN105312572B true CN105312572B (en) | 2017-05-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106825565B (en) * | 2017-01-09 | 2019-01-08 | 华南农业大学 | Suitable for precinct laser fusion with rotating excitation field substrate and using the 3D printing method of the substrate |
| CN107520447A (en) * | 2017-08-28 | 2017-12-29 | 潘涌 | A kind of metal increasing material manufacturing device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203766032U (en) * | 2014-03-26 | 2014-08-13 | 朱兴建 | 3d printer |
| CN105014976A (en) * | 2015-08-24 | 2015-11-04 | 吴江中瑞机电科技有限公司 | Sealed type selective laser melting equipment |
| CN105033251A (en) * | 2015-07-02 | 2015-11-11 | 西安交通大学 | Double-piston metal laser selective melting molding equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9308583B2 (en) * | 2013-03-05 | 2016-04-12 | Lawrence Livermore National Security, Llc | System and method for high power diode based additive manufacturing |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203766032U (en) * | 2014-03-26 | 2014-08-13 | 朱兴建 | 3d printer |
| CN105033251A (en) * | 2015-07-02 | 2015-11-11 | 西安交通大学 | Double-piston metal laser selective melting molding equipment |
| CN105014976A (en) * | 2015-08-24 | 2015-11-04 | 吴江中瑞机电科技有限公司 | Sealed type selective laser melting equipment |
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