CN114888310A - Printing platform based on metal droplet sprays - Google Patents
Printing platform based on metal droplet sprays Download PDFInfo
- Publication number
- CN114888310A CN114888310A CN202210600806.9A CN202210600806A CN114888310A CN 114888310 A CN114888310 A CN 114888310A CN 202210600806 A CN202210600806 A CN 202210600806A CN 114888310 A CN114888310 A CN 114888310A
- Authority
- CN
- China
- Prior art keywords
- metal droplet
- crucible
- droplet ejection
- frame
- metal
- 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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 99
- 239000002184 metal Substances 0.000 title claims abstract description 99
- 238000007639 printing Methods 0.000 title claims abstract description 27
- 239000007921 spray Substances 0.000 title description 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 26
- 238000006073 displacement reaction Methods 0.000 claims description 20
- 230000008021 deposition Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910000897 Babbitt (metal) Inorganic materials 0.000 claims description 2
- 238000010146 3D printing Methods 0.000 abstract description 24
- 238000005516 engineering process Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 3
- 229910001174 tin-lead alloy Inorganic materials 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035485 pulse pressure Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/30—Platforms or substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/22—Direct deposition of molten metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
Abstract
The invention relates to a printing platform based on metal droplet ejection, which belongs to the technical field of 3D printing and comprises a portal frame, a metal droplet ejection device and an XYZ three-dimensional motion platform, wherein the metal droplet ejection device comprises a crucible with a nozzle, a heating assembly, an ejection control system and a fixing ring, a crucible cover used for sealing the crucible is arranged on the crucible, one end of the fixing ring is arranged on the crucible cover in a surrounding mode, the other end of the fixing ring is connected with the portal frame to fix the metal droplet ejection device, the ejection control system comprises a gas path tee joint and a pneumatic pulse device, one end of the gas path tee joint is connected with the crucible cover and communicated with the crucible, the other two ends of the gas path tee joint are respectively provided with an exhaust port and an air inlet, the air inlet is connected with the pneumatic pulse device, and the pneumatic pulse device is connected with an external air inlet channel. The invention provides a platform design basis for the development of the 3D printing technology of metal droplet ejection, accelerates the development of the 3D printing technology of metal droplet ejection and enables the 3D printing technology to be applied in actual production.
Description
Technical Field
The invention belongs to the technical field of 3D printing, and relates to a printing platform based on metal droplet jetting.
Background
The 3D printing technology based on metal droplet ejection is a new technology different from the traditional metal 3D printing, and is characterized in that parameters such as pulse pressure, waveform and the like are controlled to enable molten metal to be ejected to form uniform droplets of micron-submillimeter scales, then the three-dimensional motion of a deposition substrate is accurately controlled to be matched with the droplets ejected according to needs, point-by-point, line-by-line and layer-by-layer printing of the metal droplets is realized according to a preset scanning track, and finally a target three-dimensional structure is formed. The metal droplet jetting 3D printing technique has unique advantages in the rapid manufacturing of micro-miniature complex parts, functional devices, and the like.
At present, the 3D printing technology based on metal droplet ejection is a novel technology, and the design of the whole metal droplet ejection 3D printing platform is less studied. Most of existing 3D printers are filled with raw materials such as metal, ceramic, plastic and sand, and the raw materials are stacked and overlaid by hot melt lamination, powder gypsum forming, ink jet, powder sintering forming and the like, so that a real object is printed, but a 3D printing platform based on metal droplet ejection is not constructed, so that the 3D printing technology based on metal droplet ejection is slow in development and difficult to produce and apply.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a printing platform based on metal droplet ejection, which provides a platform design basis for a 3D printing technology based on metal droplet ejection, accelerates the development of the 3D printing technology based on metal droplet ejection, and makes it used in practical production.
In order to achieve the purpose, the invention provides the following technical scheme:
a printing platform based on metal droplet ejection comprises a portal frame, a metal droplet ejection device connected to the portal frame, and an XYZ three-dimensional motion platform used for bearing metal droplets;
the metal droplet jetting device comprises a crucible with a nozzle, a heating assembly, a jetting control system and a fixing ring, wherein the heating assembly is arranged on the crucible to heat the crucible;
the crucible cover is used for sealing the crucible, the crucible cover is connected to one end, away from the nozzle, of the crucible, one end of the fixing ring is arranged on the crucible cover in a surrounding mode, and the other end of the fixing ring is connected with the portal frame, so that the metal droplet jetting device is fixed;
the injection control system comprises a gas path tee joint and a pneumatic pulse device, one end of the gas path tee joint is fixedly connected with the crucible cover and communicated with the crucible, the other two ends of the gas path tee joint are respectively provided with an exhaust port and an air inlet, the air inlet is connected with the pneumatic pulse device, and the pneumatic pulse device is connected with an external air inlet channel.
In some embodiments of the present disclosure, the gantry includes frame cross beams, frame longitudinal beams, and frame uprights that combine to form a square frame.
In some embodiments of the present disclosure, a corner fitting is disposed between the frame longitudinal beam and the frame upright to improve stability of the portal frame.
In some embodiments of the present disclosure, the frame cross beams, the frame longitudinal beams, the frame upright columns and the corner fittings are all made of 40-series industrial aluminum profiles.
In some embodiments of the present disclosure, the heating assembly is an induction heating furnace, and the integral structure is a hollow copper tube externally surrounded by a plurality of turns of coils.
In some embodiments of the present disclosure, the metal droplet ejection apparatus further comprises a thermocouple disposed on and extending through the crucible lid for measuring and controlling the temperature of the metal droplets in the crucible.
In some embodiments of the present disclosure, the XYZ three-dimensional motion stage comprises a total substrate for carrying the metal droplet and a three-dimensional motion stage attached to a side of the total substrate remote from the metal droplet ejection device.
In some embodiments of the disclosure, the total substrate includes a deposition substrate, a heating substrate, a thermal insulation substrate, and a base, which are sequentially disposed in a direction away from the metal droplet ejection device.
In some embodiments of the present disclosure, the three-dimensional motion platform includes an X-axis displacement table, a Y-axis displacement table, and a Z-axis displacement table, and the X-axis displacement table, the Y-axis displacement table, and the Z-axis displacement table are sequentially connected in sequence to implement three-dimensional motion of the XYZ three-dimensional motion platform.
In some embodiments of the present disclosure, the apparatus further includes a vertical sliding base and a charging ring, the vertical sliding base is connected to the gantry, one end of the charging ring is connected to the vertical sliding base to realize the up-and-down sliding of the charging ring, and the other end of the charging ring is a circular ring, the circular ring is located between the metal droplet ejection apparatus and the XYZ three-dimensional motion platform, so that the metal droplet ejected by the metal droplet ejection apparatus generates a polar charge.
In some embodiments of the present disclosure, the crucible and the heating element are coaxially disposed from inside to outside, that is, the heating element covers the outside of the crucible for heating the crucible.
The invention has the beneficial effects that:
1. the invention designs a printing platform based on metal droplet ejection based on the 3D printing technology of metal droplet ejection, which is carried out around the condition of satisfying the range of platform movement and structural strength required by printing, finally shows a theoretically feasible 3D printing platform model of metal droplet ejection, provides a platform design basis for the development of the 3D printing technology of metal droplet ejection, accelerates the development of the 3D printing technology based on metal droplet ejection and enables the 3D printing technology to be applied in actual production.
2. The invention controls the gas pressure and the air admission through a pneumatic pulse device in the ejection control system so as to control the uniform ejection of the metal droplets, ensure the printing quality and speed, and can charge the metal droplets ejected by the metal droplet ejection device in a polar way through a charging ring positioned between the metal droplet ejection device and the XYZ three-dimensional motion platform.
3. The invention can accurately measure the temperature of the metal microdroplets in the crucible through the thermocouple arranged on the crucible cover, and can realize the temperature control of the metal microdroplets in the crucible through the matching with the heating component, thereby ensuring that the temperature of the metal microdroplets is always kept at the optimal spraying temperature.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a metal droplet ejection apparatus;
fig. 3 is a schematic structural diagram of an XYZ three-dimensional motion platform.
Reference numerals: 11-portal frame, 101-frame beam, 102-frame longitudinal beam, 103-frame upright post, 104-corner piece, 105-vertical sliding seat, 106-charging ring, 21-metal droplet injection device, 201-gas path tee joint, 202-gas path external connecting piece, 203-gas path internal connecting piece, 204-pneumatic pulse device, 205-thermocouple, 206-fixed support, 207-fixed ring, 208-top cover, 209-crucible cover, 210-heating component, 211-crucible, 31-XYZ three-dimensional motion platform, 301-deposition substrate, 302-heating substrate, 303-heat insulation substrate, 304-base, 305-X axis displacement platform, 306-Y axis displacement platform and 307-Z axis displacement platform.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 3, a printing platform based on metal droplet ejection includes a gantry 11, a metal droplet ejection apparatus 21, and an XYZ three-dimensional motion platform 31, where the metal droplet ejection apparatus 21 is connected to the gantry 11 for generating metal droplets as required, and the XYZ three-dimensional motion platform 31 is located right below the metal droplet ejection apparatus 21 for carrying the metal droplets ejected from the metal droplet ejection apparatus 21.
With particular reference to fig. 1, the gantry 11 includes 4 frame beams 101, 4 frame stringers 102, and 4 frame columns 103, the frame beams 101, the frame stringers 102, and the frame columns 103 are combined to form a rectangular parallelepiped frame, corner fittings 104 are disposed between the frame beams 102 and the frame columns 103 to improve the connection stability of the gantry 11, and the corner fittings 104 are fixedly connected to the frame beams 102 and the frame columns 103 through 40 series T-nuts (M6) and 6 standard washers and standard short-headed hexagon socket bolts (M6). The frame cross beam 101, the frame longitudinal beam 102, the frame upright post 103 and the corner fitting 104 are all made of 40-series industrial aluminum profiles and are provided with grooves, so that the overall light weight of the device is guaranteed.
The metal droplet jetting apparatus 21 is installed in the middle of the frame beam 101 away from the XYZ three-dimensional motion platform 31, and a vertical sliding base 105 is installed in the middle of the other frame beam 101 away from the XYZ three-dimensional motion platform 31, a charging ring 106 is installed on the vertical sliding base 105, the charging ring 106 is located between the metal droplet jetting apparatus 21 and the XYZ three-dimensional motion platform 31, and the charging ring 106 is used for generating polarity charging for the metal droplet after the metal droplet jetted from the metal droplet jetting apparatus 21 passes through the charging ring 106.
Referring to fig. 2, the metal droplet spraying apparatus 21 includes a crucible 211 with a nozzle, a heating element 210, a fixing ring 207, a top cover 208, a crucible cover 209, and a spraying control system, wherein the crucible 211 and the crucible cover 209 are tightly assembled by a screw sealing manner arranged in the crucible, the heating element 210 covers the outside of the crucible 211, and the top cover 208 is installed on the crucible cover 209 by a screw connection as an adaptive connection to ensure an assembling space. The fixing ring 207 is disposed around the top cover 208, the fixing ring 207 is tightened to fix the top cover 208 by bolting, the fixing ring 207 is connected to the fixing bracket 206, and the fixing bracket 206 is connected to the frame beam 101 of the gantry 11, so as to implement the installation of the metal droplet ejection apparatus 21.
The injection control system comprises a gas path tee joint 201 and a gas pulse device 204, through holes are formed in a top cover 208 and a crucible cover 209, the through holes of the top cover 208 and the crucible cover 209 are coaxial holes, one end of the gas path tee joint 201 is connected with the through hole in the top cover 208, the other two ends of the gas path tee joint are respectively provided with an upper exhaust hole and a right gas inlet, the right gas inlet is connected with the gas pulse device 204, and the gas pulse device 204 is connected with an external gas inlet pipeline; the air channel tee joint 201 is in threaded connection with a through hole in the top cover 208, and an air channel outer connecting piece 202 and an air channel inner connecting piece 203 are arranged between the right air inlet and the pneumatic pulse device 204 and are connected in an adaptive mode.
A thermocouple 205 is also provided on the top cover 208, extending through the top cover 208 and the crucible cover 209 into the crucible 211, for measuring and controlling the temperature of the metal droplets.
Specifically, the heating component 210 is an induction heating furnace, the whole structure is that a hollow copper pipe is surrounded by a plurality of turns of coils, the tin-lead alloy solution in the crucible 211 is heated by adopting the electromagnetic induction principle, after medium-frequency or high-frequency alternating current is introduced during work, the same-frequency induction current is formed in the tin-lead alloy, the alloy is rapidly heated, the thermocouple 205 is connected with an even external control system of the heating component 210, the temperature is measured by the thermocouple 205 and fed back to the control system, and the heating component 210 is adjusted by the control system, so that the temperature control of the tin-lead alloy solution in the crucible 211 is realized.
Referring to fig. 3, the XYZ stage 31 is formed by bolting a deposition substrate 301, a heating substrate 302, a thermal insulation substrate 303 and a base 304 to form a total substrate, and the deposition substrate 301, the heating substrate 302, the thermal insulation substrate 303 and the base 304 are arranged in sequence from top to bottom, the deposition substrate 301 is a carrier for metal droplets ejected from the ejection device, the heating substrate 302 is used to adjust the temperature within a certain range to prevent the metal droplets from solidifying too fast and spreading insufficiently, and the thermal insulation substrate 303 is used to prevent the motion stage from being affected by high temperature.
The total base plate is fixedly connected to a moving table of the X-axis displacement table 305 through bolts, similarly, the middle bottom of the X-axis displacement table 305 is fixedly connected to a moving table of the Y-axis displacement table 306 through bolts, and the middle bottom of the Y-axis displacement table 306 is fixedly connected to a vertical movement platform of the Z-axis displacement table 307 through bolts, so that the effect of three-dimensional movement is finally achieved.
The specific workflow of a printing platform based on metal droplet ejection provided by this embodiment is as follows:
the metal block is first added to the crucible 211, the components of the device are assembled and the joint is sealed. The heating temperature of the heating assembly 7 is set to a designated temperature and kept, so that the inner metal block is completely melted into molten metal. At the beginning of the printing operation, the distance between the three-dimensional motion platform and the nozzle of the crucible 211 is adjusted to be less than 7 mm. In the printing process, the pneumatic pulse device 204 is turned on to generate a pulse signal, the uniform metal droplets form metal droplets at the nozzle of the crucible 211, the metal droplets are deposited on the XYZ three-dimensional motion platform 31 and are repeatedly carried out in coordination with the continuous motion of the XYZ three-dimensional motion platform 31, so that the point-by-point and layer-by-layer stacking and forming of the metal droplets are completed, and the 3D printing structural member is formed.
The embodiment designs a printing platform based on metal droplet ejection based on the 3D printing technology of metal droplet ejection, and the printing platform is performed around the strength conditions meeting the range of platform motion and structure required by printing, and finally shows a theoretically feasible 3D printing platform model of metal droplet ejection, so that a platform design basis is provided for the development of the 3D printing technology of metal droplet ejection, and the development of the 3D printing technology based on metal droplet ejection is accelerated and is applied in actual production.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. A printing platform based on metal droplet ejection, characterized by: the device comprises a portal frame (11), a metal droplet jetting device (21) connected to the portal frame (11), and an XYZ three-dimensional motion platform (31) for bearing metal droplets;
the metal droplet jetting apparatus (21) includes a crucible (211) with a nozzle, a heating assembly (210), a jetting control system, and a fixing ring (207), the heating assembly (210) being disposed on the crucible (211) to heat the crucible (211);
a crucible cover (209) used for sealing the crucible (211) is arranged on the crucible (211), the crucible cover (209) is connected to one end, away from the nozzle, of the crucible (211), one end of the fixing ring (207) is arranged on the crucible cover (209) in a surrounding mode, and the other end of the fixing ring is connected with the portal frame (11) so as to fix the metal droplet jetting device (21);
the injection control system comprises a gas path tee joint (201) and a gas pulse device (204), one end of the gas path tee joint (201) is fixedly connected with a crucible cover (209) and communicated with a crucible (211), an exhaust port and an air inlet are respectively arranged at the other two ends of the gas path tee joint, the air inlet is connected with a pneumatic pulse device (204), and the pneumatic pulse device (204) is connected with an external air inlet channel.
2. A metal droplet ejection based printing platform according to claim 1, wherein: the portal frame (11) comprises a frame cross beam (101), a frame longitudinal beam (102) and a frame upright post (103), and the frame cross beam (101), the frame longitudinal beam (102) and the frame upright post (103) are combined to form a square frame.
3. A metal droplet ejection based printing platform according to claim 2, wherein: an angle piece (104) is arranged between the frame longitudinal beam (102) and the frame upright post (103) so as to improve the stability of the portal frame (11).
4. A metal droplet ejection based printing platform according to claim 3, wherein: the frame cross beam (101), the frame longitudinal beam (102), the frame upright post (103) and the corner fitting (104) are all made of 40 series industrial aluminum profiles.
5. A metal droplet ejection based printing platform according to claim 1, wherein: the heating component (210) is an induction heating furnace, and the whole structure is that a hollow copper pipe is externally surrounded by a plurality of turns of coils.
6. A metal droplet ejection based printing platform according to claim 1, wherein: the metal droplet ejection apparatus (21) further comprises a thermocouple (205), the thermocouple (205) being arranged on the crucible lid (209) and extending through the crucible lid (209) for measuring and controlling the temperature of the metal droplets in the crucible (211).
7. A metal droplet ejection based printing platform according to claim 1, wherein: the XYZ three-dimensional motion platform (31) comprises a total substrate for carrying metal droplets and a three-dimensional motion platform connected to a side of the total substrate away from the metal droplet jetting device (21).
8. A metal droplet ejection based printing platform according to claim 7, wherein: the total substrate comprises a deposition substrate (301), a heating substrate (302), a heat insulation substrate (303) and a base (304) arranged in sequence in a direction away from the metal droplet ejection device.
9. A metal droplet ejection based printing platform according to claim 8, wherein: the three-dimensional motion platform comprises an X-axis displacement platform (305), a Y-axis displacement platform (306) and a Z-axis displacement platform (307), wherein the X-axis displacement platform (305), the Y-axis displacement platform (306) and the Z-axis displacement platform (307) are sequentially connected in sequence to realize three-dimensional motion of the XYZ three-dimensional motion platform (31).
10. A metal droplet ejection based printing platform according to claim 1, wherein: the device also comprises a vertical sliding seat (105) and a charging ring (106), wherein the vertical sliding seat (105) is connected to the portal frame (11);
one end of the charging ring (106) is connected to the vertical sliding base (105) to realize the up-and-down sliding of the charging ring (106), and the other end is a circular ring which is positioned between the metal droplet jetting device (21) and the XYZ three-dimensional motion platform (31), so that the metal droplets jetted by the metal droplet jetting device (21) are charged with polarity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210600806.9A CN114888310A (en) | 2022-05-30 | 2022-05-30 | Printing platform based on metal droplet sprays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210600806.9A CN114888310A (en) | 2022-05-30 | 2022-05-30 | Printing platform based on metal droplet sprays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114888310A true CN114888310A (en) | 2022-08-12 |
Family
ID=82725215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210600806.9A Pending CN114888310A (en) | 2022-05-30 | 2022-05-30 | Printing platform based on metal droplet sprays |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114888310A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6446878B1 (en) * | 1999-03-01 | 2002-09-10 | Sanjeev Chandra | Apparatus and method for generating droplets |
| CN103056375A (en) * | 2013-01-06 | 2013-04-24 | 西北工业大学 | Molten metal droplet forming device and method of utilizing same to form molten metal droplets |
| CN103990801A (en) * | 2014-05-20 | 2014-08-20 | 西安交通大学 | Metal liquid drop electron constraint forming device |
| CN205343833U (en) * | 2016-01-28 | 2016-06-29 | 深圳市创想三维科技有限公司 | Novel jumbo size 3D printer |
| CN108015286A (en) * | 2018-01-12 | 2018-05-11 | 吉林大学 | High-entropy alloy droplet ejection increasing material manufacturing apparatus and method |
| CN109049674A (en) * | 2018-10-18 | 2018-12-21 | 吉林大学 | A kind of increasing material manufacturing device and method for micro-system three-dimensional structure |
| DE102017221162A1 (en) * | 2017-11-27 | 2019-05-29 | Robert Bosch Gmbh | Printhead for a 3D printer |
| CN208914602U (en) * | 2018-10-18 | 2019-05-31 | 吉林大学 | A kind of increasing material manufacturing device for micro-system three-dimensional structure |
| CN112893867A (en) * | 2021-01-19 | 2021-06-04 | 重庆大学 | Method for inhibiting hole defects in uniform metal droplet jetting 3D printing |
-
2022
- 2022-05-30 CN CN202210600806.9A patent/CN114888310A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6446878B1 (en) * | 1999-03-01 | 2002-09-10 | Sanjeev Chandra | Apparatus and method for generating droplets |
| CN103056375A (en) * | 2013-01-06 | 2013-04-24 | 西北工业大学 | Molten metal droplet forming device and method of utilizing same to form molten metal droplets |
| CN103990801A (en) * | 2014-05-20 | 2014-08-20 | 西安交通大学 | Metal liquid drop electron constraint forming device |
| CN205343833U (en) * | 2016-01-28 | 2016-06-29 | 深圳市创想三维科技有限公司 | Novel jumbo size 3D printer |
| DE102017221162A1 (en) * | 2017-11-27 | 2019-05-29 | Robert Bosch Gmbh | Printhead for a 3D printer |
| CN108015286A (en) * | 2018-01-12 | 2018-05-11 | 吉林大学 | High-entropy alloy droplet ejection increasing material manufacturing apparatus and method |
| CN109049674A (en) * | 2018-10-18 | 2018-12-21 | 吉林大学 | A kind of increasing material manufacturing device and method for micro-system three-dimensional structure |
| CN208914602U (en) * | 2018-10-18 | 2019-05-31 | 吉林大学 | A kind of increasing material manufacturing device for micro-system three-dimensional structure |
| CN112893867A (en) * | 2021-01-19 | 2021-06-04 | 重庆大学 | Method for inhibiting hole defects in uniform metal droplet jetting 3D printing |
Non-Patent Citations (1)
| Title |
|---|
| 齐乐华: "基于均匀金属微滴喷射的3D打印技术", 国防工业出版社, pages: 1 - 3 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hu et al. | Understanding and overcoming of abnormity at start and end of the weld bead in additive manufacturing with GMAW | |
| CN105312573B (en) | Method and device for conducting 3D printing directly with liquid metal | |
| US10046394B2 (en) | Method for manufacturing overhanging material by pulsed, voxel-wise buildup | |
| KR20210068987A (en) | Method of three-dimensional printing and a conductive liquid three-dimensional printing system | |
| CN103056375B (en) | Molten metal droplet forming device and method of utilizing same to form molten metal droplets | |
| CN106313501B (en) | A kind of the molten drop deposition 3D printing device and Method of printing of electric pulse control | |
| CN106141373A (en) | The electric arc 3D printing device of aluminum alloy junction component and Method of printing | |
| CN105364073A (en) | 3D metal printing system based on magnetic field control | |
| CN104646670A (en) | High-frequency induction melting type metal 3D (three-dimensional) printing machine | |
| CN104923785B (en) | A kind of magnesium alloy tubular structural member electric arc 3D printing method | |
| CN105689718A (en) | Multi-phase reinforced metal matrix composite forming system and method | |
| KR20170059753A (en) | Cooling system for 3d printer using arc welding | |
| CN106166615A (en) | 3D printing device based on laminar flow plasma technology | |
| CN114888310A (en) | Printing platform based on metal droplet sprays | |
| CN110394536A (en) | A kind of induction fusing wire intelligent robot increasing material manufacturing method | |
| US20180324903A1 (en) | Method of Rapidly Melting Metal for 3D Metal Printers by Electromagnetic Induction | |
| CN105665702A (en) | Mold plasma 3D printing device and 3D printing method | |
| CN112705820A (en) | Hammering device for additive manufacturing printing system and additive manufacturing printing system | |
| CN113909492B (en) | Metal droplet jetting device with small backflow area | |
| CN115780825A (en) | Metal droplet additive manufacturing device | |
| CN213013093U (en) | Device for preparing conducting layer on Cr20Ni80 thermal spraying coating | |
| US20210276082A1 (en) | Three-dimensional printing system and method of three-dimensional printing | |
| CN207447351U (en) | A kind of induction quick metal molten nozzle for 3D metallic print machines | |
| CN209022445U (en) | A kind of nano high-precision increasing material manufacturing equipment | |
| CN205290036U (en) | Compound powder build -up welding of nanometer fabric nickel -chromium chromium carbide is equipped |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220812 |
|
| RJ01 | Rejection of invention patent application after publication |