CN109550956B - Laser melting equipment suitable for small and medium-sized 3D prints - Google Patents
Laser melting equipment suitable for small and medium-sized 3D prints Download PDFInfo
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- CN109550956B CN109550956B CN201811625573.8A CN201811625573A CN109550956B CN 109550956 B CN109550956 B CN 109550956B CN 201811625573 A CN201811625573 A CN 201811625573A CN 109550956 B CN109550956 B CN 109550956B
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- 238000002844 melting Methods 0.000 title claims abstract description 22
- 230000008018 melting Effects 0.000 title claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000010146 3D printing Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract 2
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
Classifications
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- 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
- B22F12/22—Driving means
- B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
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- 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
-
- 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
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- 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
- B22F12/22—Driving means
- B22F12/226—Driving means for rotary motion
-
- 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
- B22F12/40—Radiation means
- B22F12/49—Scanners
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- 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
- B22F12/70—Gas flow means
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- 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
-
- 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
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
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- 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
Abstract
The invention discloses laser melting equipment suitable for small and medium-sized 3D printing, at least two laser furnace-forming cylinder systems are fixedly arranged on a fixed frame, each laser furnace-forming cylinder system comprises a laser furnace and a forming cylinder, a light transmission part is arranged on the upper side of the laser furnace, the lower side of the laser furnace is in sealing connection with the forming cylinder, a powder supply device is also arranged in the laser furnace, a laser-vibrating mirror system which is movably arranged on the fixed frame can respectively emit laser, the laser can be just injected into the laser furnace to focus through the transparent part, a control system controls each part in the laser-vibrating mirror system and the laser furnace-forming cylinder system to work, and the control system also controls the movement of the laser furnace-forming cylinder system.
Description
Technical Field
The invention relates to a metal 3D printer forming box, in particular to laser melting equipment suitable for small and medium-sized 3D printing.
Background
The SLM (selective laser melting) process has a significant disadvantage in that a lot of cleaning preparation work is required after each forming (laser is in an active state) is completed, and the laser-galvanometer system is in an inactive state. The current SLM equipment is entering the industrial application field from a laboratory, the forming efficiency needs to be greatly improved, and the call for improving the efficiency of the SLM equipment is further aggravated.
At present, a multi-laser is adopted in a laser-forming system and is matched with a multi-galvanometer-multi-laser-galvanometer system, so that the forming speed is further improved, and the method becomes one of trend of SLM development. However, multiple laser beam-galvanometer systems (e.g., 2-6 laser beams) are expensive components, accounting for about 40% of the total cost.
Disclosure of Invention
In order to make up for the defects, the invention provides laser melting equipment suitable for small and medium-sized 3D printing, which has high forming efficiency and low use cost.
The technical scheme adopted by the invention for solving the technical problems is as follows: the laser melting equipment suitable for small and medium-sized 3D printing comprises a fixed frame, a laser-galvanometer system, a laser furnace-forming cylinder system and a control system, wherein at least two laser furnace-forming cylinder systems are fixedly arranged on the fixed frame, each laser furnace-forming cylinder system comprises a laser furnace and a forming cylinder, a sealed forming space is formed in each laser furnace, a light transmitting part which is opposite to the forming space is arranged on the upper side of each laser furnace, the lower side of each laser furnace is in sealed connection with the forming cylinder, a lifting platform which can be aligned with the bottom surface of the inner side of each laser furnace is formed on a piston of each forming cylinder, a powder supply device is further arranged in each laser furnace, the powder supply device can spread powder on the forming platform, the laser-galvanometer system can be movably arranged on the fixed frame, each laser-galvanometer system can be opposite to each laser furnace-forming cylinder system, laser emitted by each laser-galvanometer system can just shoot laser for melting powder into the forming space of each laser furnace-forming cylinder system through a transparent part on the upper side of each laser furnace-forming cylinder system and is focused on the forming platform, each laser furnace-forming cylinder is controlled by the control system to work, and the control system controls the movement of each laser furnace-forming system.
As a further improvement of the invention, the fixing frame comprises a fixed platform, a rocker arm rotating shaft, a rocker arm body and a rotary driving device, wherein the rocker arm rotating shaft can be rotatably arranged on the fixed platform, one end of the rocker arm body is connected with the rocker arm rotating shaft, a laser-galvanometer system is fixedly arranged on the other end of the rocker arm body, a plurality of laser furnace-forming cylinder systems are arranged on the fixed platform at intervals along an arc track taking the rocker arm rotating shaft as a center, and the rotary driving device drives the rocker arm rotating shaft to rotate.
As a further improvement of the invention, the fixing frame also comprises a lifting mechanism and a lifting driving device, wherein the lifting mechanism is longitudinally arranged on the rocker arm rotating shaft in a lifting way, one end of the rocker arm body is fixedly connected with the moving end of the lifting mechanism, and the lifting driving device drives the lifting mechanism to move.
As a further improvement of the invention, the lifting mechanism is an air cylinder, the cylinder body of the air cylinder is fixedly arranged at the upper end of the rocker arm rotating shaft, and the piston rod of the air cylinder is fixedly connected with one end of the rocker arm body.
As a further improvement of the invention, the fixing frame also comprises a laser positioning platform which is fixedly arranged at the other end of the rocker arm body, the laser-vibrating mirror system is fixedly arranged on the laser positioning platform, a transparent window for laser to pass through is formed on the laser positioning platform, a positioning pin can be arranged on the lower side of the laser positioning platform, a positioning hole is also formed on the upper side surface of the laser furnace-forming cylinder system, and the positioning pin can be just inserted into the positioning hole.
As a further improvement of the invention, an inert gas inlet and an inert gas outlet are respectively formed on two opposite side walls of the laser furnace-forming cylinder system.
As a further improvement of the invention, the laser furnace comprises a bottom plate, side walls and a top plate, wherein the bottom plate and the top plate are respectively and fixedly arranged at the upper end and the lower end of the side walls in a sealing mode to form a sealed forming space, the top plate is provided with a hollowed-out part, and a glass window is embedded in the hollowed-out part in a sealing mode.
As a further improvement of the invention, the lifting platform of the forming cylinder is a heating plate body, the heating plate body is stopped in the circumferential direction and axially slidably inserted into the forming cylinder, a screw rod and a motor are further arranged, the screw rod is movably connected with the forming cylinder in a threaded manner, the upper end of the screw rod is connected with the heating plate body in a rotatable and axially stopped manner in the circumferential direction, and the motor drives the screw rod to rotate.
As a further improvement of the invention, a window is arranged on the laser furnace of the laser furnace-forming cylinder system, and a sealing door capable of being opened and closed is arranged on the window.
As a further improvement of the invention, the number of the laser furnace forming cylinder systems is three, and the three laser furnace forming cylinder systems are respectively switched between a forming state, a cleaning state and a standby state.
The beneficial technical effects of the invention are as follows: the laser-galvanometer system and the laser furnace-forming cylinder system form two independent sealing mechanisms, and two independent components are overlapped or separated in the switching process and are irrelevant to the sealing systems, so that the switching reliability and the safety are high, the laser-galvanometer system performs switching work among the laser furnace-forming cylinder systems, the laser beam can continuously work almost without stopping, the function of laser beam scanning is fully exerted, the laser forming efficiency is greatly improved, and the use cost of laser melting forming equipment is reduced.
Drawings
FIG. 1 is a schematic diagram of the structural principle of the present invention;
FIG. 2 is a laser melt-forming state diagram;
FIG. 3 is a state diagram of the laser-galvanometer system switching between laser furnace-forming cylinders in different states;
FIG. 4 is a front view of the structural principles of the present invention;
fig. 5 is a cross-sectional view taken along A-A in fig. 4.
Detailed Description
Examples: the utility model provides a laser melting equipment suitable for middle-size and small-size 3D prints, including mount 1, laser-galvanometer system 2, laser furnace 31-forming cylinder system 3 and control system, at least two laser furnace 31-forming cylinder system 3 are fixed to be located on mount 1, laser furnace 31-forming cylinder system 3 includes laser furnace 31 and forming cylinder 32, form sealed forming space 33 in the laser furnace 31, the upper side of laser furnace 31 is equipped with the printing opacity portion that is just right with forming space 33, laser furnace 31 downside and forming cylinder 32 sealing connection, the piston of forming cylinder forms the lift platform 35 that can be with the inboard bottom surface alignment of laser furnace 31, still be equipped with the powder supply device in the laser furnace 31, the powder supply device can give the forming platform shop powder, laser-galvanometer system 2 can be movable mounting on mount 1, laser-galvanometer system 2 can be just right with each laser furnace 31-forming cylinder system 3, laser-galvanometer system 2 can be launched and be used for melting the laser of powder, laser-galvanometer system 2 can just go into forming space 3 and form forming cylinder system 3 and focus on forming cylinder system 3, laser-galvanometer system 3 control system 3 is formed in the control cylinder system 3, the laser system is moved in the laser furnace system 3.
During processing, laser beams are focused on the surface of compacted metal powder (powder bed) through a vibrating mirror to selectively melt a layer of metal, a lifting platform 35 descends for tens of micrometers, a powder spreading device spreads a layer of powder, the thickness of the powder is the same as the descending depth of the lifting platform 35, the laser beams selectively remelt a layer of metal, a product with a three-dimensional structure is formed in a forming space 33 in a repeated manner, in the laser melting forming process, a powder feeding device in a laser furnace 31-forming cylinder system 3 comprises a powder feeding device 43 and a powder spreading device 44, wherein the powder feeding device is used for feeding the metal powder into the laser furnace 31, the powder spreading device spreads the powder and ensures that the thickness of a new powder layer meets the requirement, and when the processing of the product in the laser furnace 31-forming cylinder system 3 is completed, the laser-vibration mirror system 2 is moved away from the laser furnace 31-forming cylinder system 3 to the next ready laser furnace 31-forming cylinder system 3 for carrying out the light melting forming processing of new products, the processed products in the last laser furnace 31-forming cylinder system 3 are taken out from the laser furnace 31, the laser furnace 31 from which the products are taken out is cleaned and the lifting platform 35 is heated, namely, the products enter a waiting state, and when the laser-vibration mirror system 2 carries out the forming processing of a new round, the laser beam is almost continuously operated without stopping, the function of laser beam scanning is fully exerted, and the overlapping or separating of two independent components is carried out in the switching process, which is irrelevant to a sealing system, thus the switching reliability and the switching safety are high.
The fixing frame 1 comprises a fixed platform 11, a rocker rotating shaft 12, a rocker body 13 and a rotary driving device 14, wherein the rocker rotating shaft 12 can be rotatably arranged on the fixed platform 11, one end of the rocker body 13 is connected with the rocker rotating shaft 12, the laser-galvanometer system 2 is fixedly arranged on the other end of the rocker body 13, a plurality of laser furnace 31-forming cylinder systems 3 are arranged on the fixed platform 11 at intervals along an arc track taking the rocker rotating shaft 12 as a center, and the rotary driving device 14 drives the rocker rotating shaft 12 to rotate. The rotation of the rocker arm body 13 realizes that the laser-galvanometer system 2 and different laser furnace 31-forming cylinder systems 3 are just right facing to perform laser scanning, realizes the rapid switching of the positions of the laser-galvanometer system 2, and can also be realized by arranging the laser furnace 31-forming cylinder systems 3 at intervals along a straight line and the laser-galvanometer system 2 reciprocates along the straight line, which is an equivalent replacement structure which is easily thought by a person skilled in the art according to the patent.
The fixing frame 1 further comprises a lifting mechanism and a lifting driving device 15, the lifting mechanism is longitudinally arranged on the rocker arm rotating shaft 12 in a lifting mode, one end of the rocker arm body 13 is fixedly connected with the moving end of the lifting mechanism, and the lifting driving device 15 drives the lifting mechanism to move. The laser-galvanometer system 2 is lifted and separated from the laser-galvanometer system 3 and then rotates when being switched between different laser furnace 31-forming cylinder systems 3 through the lifting mechanism, interference and abrasion are avoided, meanwhile, the laser-galvanometer system 2 and the laser furnace 31-forming cylinder system 3 can be kept in a close fit state when being combined, and the laser focusing position is ensured to be accurate.
The lifting mechanism is a cylinder, the cylinder body of the cylinder is fixedly arranged at the upper end of the rocker arm rotating shaft 12, and a piston rod of the cylinder is fixedly connected with one end of the rocker arm body 13. Instead of using a cylinder, a motor 40 and a screw 39 nut mechanism or an eccentric mechanism or the like may be used.
The fixing frame 1 further comprises a laser positioning platform 16, the laser positioning platform 16 is fixedly arranged at the other end of the rocker arm body 13, the laser-galvanometer system 2 is fixedly arranged on the laser positioning platform 16, a transparent window 17 through which laser passes is formed in the laser positioning platform 16, a positioning pin 18 can be arranged on the lower side of the laser positioning platform 16, a positioning hole is further formed in the upper side surface of the laser furnace 31-forming cylinder system 3, and the positioning pin 18 can be just inserted into the positioning hole. The laser-galvanometer system 2 is installed through the laser positioning platform 16, and meanwhile, the positioning of the laser-galvanometer system 2 and the laser furnace 31-forming cylinder system 3 is realized through the positioning pin 18 on the laser positioning platform 16, so that the position of the laser-galvanometer system 2 and the position of the laser-galvanometer system are ensured to be opposite, the position precision of the laser-galvanometer system and the forming cylinder system is ensured, and further the processing precision of a product is ensured. Besides the two positioning by adopting the structure, other positioning structures such as four-side clamping positioning, stop limiting and the like can be adopted.
The laser furnace 31-the forming cylinder system 3 has an inert gas inlet 41 and an inert gas outlet 42 formed in opposite side walls 37 of the laser furnace 31. Inert gas is introduced from left and discharged from right, so that oxygen in the furnace is taken away, and the oxygen content is reduced to a required level.
The laser furnace 31 comprises a bottom plate 36, side walls 37 and a top plate 38, the bottom plate 36 and the top plate 38 are respectively and fixedly arranged at the upper end and the lower end of the side walls 37 in a sealing mode to form a sealed forming space 33, a hollowed-out portion is arranged on the top plate 38, and a glass window 34 is embedded in the hollowed-out portion in a sealing mode.
The lifting platform 35 of the forming cylinder is a heating plate body, the heating plate body is inserted in the forming cylinder 32 in a mode of stopping in the circumferential direction and axially sliding, a screw rod 39 and a motor 40 are further arranged, the screw rod 39 is movably connected with the forming cylinder 32 in a screwed mode, the upper end of the screw rod 39 can rotate in the circumferential direction of the heating plate body and is axially stopped and connected, and the motor 40 drives the screw rod 39 to rotate.
The laser furnace 31 of the laser furnace 31-forming cylinder system 3 is provided with a window, and the window is provided with a sealing door capable of being opened and closed. The removal of the finished product and cleaning in the laser furnace 31 is achieved by means of a sealing door.
The number of the laser furnaces 31 and the forming cylinder systems 3 is three, and the three laser furnaces 31 and the forming cylinder systems 3 are respectively switched between a forming state, a cleaning state and a standby state.
The conventional design is "first switch and then standby" because the conventional design connects the laser furnace 31 with the laser-galvanometer to form an integral body, and the "split/connect" can only be done at the seal of the laser furnace 31 with the forming cylinder-the switch. Only after the forming cylinder is connected to the laser furnace 31 (after switching), it is possible to enter a standby state, "first switching and then standby". This greatly increases the idle time of the laser-galvanometer system 2 and reduces the overall operating efficiency. In addition, the conventional design is switched at the sealing part, so that the service life of the sealing structure is reduced.
This patent adopts laser-mirror system 2 and laser furnace 31-forming cylinder system 3 components of a whole that can function independently structure respectively, and during the processing, through setting up three laser furnace 31-forming cylinder system 3, can form three state, and the laser furnace 31-forming cylinder of every SLM equipment all can form three kinds of operating condition through the switching: a "forming state", a "standby state" and a "cleaning state";
as in fig. 3, machine No. 1 a is being in a "formed state"; machine number 2B is already in "standby state"; machine number 3, C, is in "clean state". When the machine No. 1 completes the metal forming work, the switching can be immediately performed: moving the laser-galvanometer system 2 to the position above the laser furnace 31 of the No. 2 machine in a standby state to immediately perform forming work; the machine No. 1 is switched into a cleaning state, the machine No. 3 is continuously cleaned until the machine No. 3 reaches a standby state, after the machine No. 2 is formed, the machine No. 3 is cleaned, and is in the standby state, and the laser-galvanometer system 2 can be moved onto the laser furnace 31-forming cylinder system 3 of the machine No. 3 again to perform forming work, namely, the machine enters the forming state. At this time, the machine 1 enters a standby state, and the machine 2 enters a cleaning state. The repeated circulation is carried out in this way, and a set of laser-galvanometer system 2 ensures the uninterrupted operation of 3 SLM devices, so as to achieve the highest forming efficiency.
If the forming scanning workload is large, one set of laser-galvanometer system 2 can be matched with two sets of laser furnaces 31-forming cylinder systems 3.
Claims (8)
1. Laser melting equipment suitable for middle-size and small-size 3D prints, its characterized in that: the laser furnace-forming cylinder system comprises a fixing frame (1), a laser-vibrating mirror system (2), a laser furnace-forming cylinder system (3) and a control system, wherein at least two laser furnace-forming cylinder systems are fixedly arranged on the fixing frame, each laser furnace-forming cylinder system comprises a laser furnace (31) and a forming cylinder (32), a sealed forming space (33) is formed in the laser furnace, the upper side of the laser furnace is provided with a light transmission part which is opposite to the forming space, the lower side of the laser furnace is in sealed connection with the forming cylinder, a piston of the forming cylinder forms a lifting platform (35) which can be opposite to the bottom surface of the inner side of the laser furnace, a powder supply device is further arranged in the laser furnace, the powder supply device can spread powder on the forming platform, the laser-vibrating mirror system can be arranged on the fixing frame in a moving way, the laser-vibrating mirror system can be opposite to each laser furnace-forming cylinder system respectively, the laser-vibrating mirror system can emit laser for melting powder, the laser emitted by the laser-vibrating mirror system can just penetrate into the forming space of the laser furnace-forming cylinder system through a transparent part on the upper side of the laser furnace and be focused on the forming platform, the control system controls the laser-vibrating mirror system to control the laser-vibrating mirror system, each working system is arranged on the rocker arm (12) and the rocker arm is arranged on one end of the rocker arm, the rocker arm (12) is fixedly arranged on the rotating shaft) in a rotating shaft, the rotating part of the rocker arm (12) is fixedly arranged on one end of the rotating shaft, and the rocker arm is fixedly arranged on the rotating shaft) and the rotating end of the control system, the laser furnace forming cylinder systems are arranged on the fixed platform at intervals along an arc track taking the rocker arm rotating shaft as the center, the rotating driving device drives the rocker arm rotating shaft to rotate, and an inert gas inlet (41) and an inert gas outlet (42) are respectively formed on two opposite side walls of the laser furnace forming cylinder systems.
2. The laser melting apparatus for small and medium 3D printing according to claim 1, wherein: the fixing frame further comprises a lifting mechanism and a lifting driving device (15), the lifting mechanism is longitudinally arranged on the rocker arm rotating shaft in a lifting mode, one end of the rocker arm body is fixedly connected with the moving end of the lifting mechanism, and the lifting driving device drives the lifting mechanism to move.
3. The laser melting apparatus for small and medium 3D printing according to claim 2, wherein: the lifting mechanism is a cylinder, the cylinder body of the cylinder is fixedly arranged at the upper end of the rocker arm rotating shaft, and a piston rod of the cylinder is fixedly connected with one end of the rocker arm body.
4. The laser melting apparatus for small and medium 3D printing according to claim 2, wherein: the fixing frame further comprises a laser positioning platform (16), the laser positioning platform is fixedly arranged at the other end of the rocker arm body, the laser-vibrating mirror system is fixedly arranged on the laser positioning platform, a transparent window (17) for laser to penetrate is formed in the laser positioning platform, a positioning pin (18) can be arranged on the lower side of the laser positioning platform, a positioning hole is further formed in the surface of the upper side of the laser furnace-forming cylinder system, and the positioning pin can be just inserted into the positioning hole.
5. The laser melting apparatus for small and medium 3D printing according to claim 1, wherein: the laser furnace comprises a bottom plate (36), side walls (37) and a top plate (38), wherein the bottom plate and the top plate are respectively and fixedly arranged at the upper end and the lower end of the side walls in a sealing mode to form a sealed forming space, a hollowed-out portion is arranged on the top plate, and a glass window (34) is embedded in the hollowed-out portion in a sealing mode.
6. The laser melting apparatus for small and medium 3D printing according to claim 1, wherein: the lifting platform of the forming cylinder is a heating plate body, the heating plate body is stopped in the circumferential direction and can axially slide and is inserted into the forming cylinder, a screw rod (39) and a motor (40) are further arranged, the screw rod is movably connected with the forming cylinder in a threaded manner, the upper end of the screw rod can rotate in the circumferential direction of the heating plate body and is axially stopped and connected, and the motor drives the screw rod to rotate.
7. The laser melting apparatus for small and medium 3D printing according to claim 1, wherein: the laser furnace of the laser furnace-forming cylinder system is provided with a window, and the window is provided with a sealing door capable of being opened and closed.
8. The laser melting apparatus for small and medium 3D printing according to claim 1, wherein: the number of the laser furnace-forming cylinder systems is three, and the three laser furnace-forming cylinder systems are respectively switched among a forming state, a cleaning state and a standby state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625573.8A CN109550956B (en) | 2018-12-28 | 2018-12-28 | Laser melting equipment suitable for small and medium-sized 3D prints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625573.8A CN109550956B (en) | 2018-12-28 | 2018-12-28 | Laser melting equipment suitable for small and medium-sized 3D prints |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109550956A CN109550956A (en) | 2019-04-02 |
| CN109550956B true CN109550956B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811625573.8A Active CN109550956B (en) | 2018-12-28 | 2018-12-28 | Laser melting equipment suitable for small and medium-sized 3D prints |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341625A (en) * | 2013-07-10 | 2013-10-09 | 湖南航天工业总公司 | 3D printing manufacturing device and method of metal parts |
| CN105642895A (en) * | 2016-03-03 | 2016-06-08 | 中研智能装备有限公司 | Plasma 3D printing remanufacturing equipment and method for mold |
| WO2017143789A1 (en) * | 2016-02-23 | 2017-08-31 | 中国科学院重庆绿色智能技术研究院 | Laser material increase and decrease composite manufacturing method and device |
| CN107471640A (en) * | 2017-09-30 | 2017-12-15 | 窦鹤鸿 | A kind of Laser Driven mechanism and 3D printer |
| CN107498049A (en) * | 2017-09-05 | 2017-12-22 | 洛阳华理研究院科技有限公司 | A kind of light path device of self-action adjustable focus plane for 3D printing |
| CN108213424A (en) * | 2017-12-29 | 2018-06-29 | 广东汉邦激光科技有限公司 | The 3D printing device and Method of printing of biologic implant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170232515A1 (en) * | 2016-02-01 | 2017-08-17 | Seurat Technologies, Inc. | Additive Manufacturing Simulation System And Method |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341625A (en) * | 2013-07-10 | 2013-10-09 | 湖南航天工业总公司 | 3D printing manufacturing device and method of metal parts |
| WO2017143789A1 (en) * | 2016-02-23 | 2017-08-31 | 中国科学院重庆绿色智能技术研究院 | Laser material increase and decrease composite manufacturing method and device |
| CN105642895A (en) * | 2016-03-03 | 2016-06-08 | 中研智能装备有限公司 | Plasma 3D printing remanufacturing equipment and method for mold |
| CN107498049A (en) * | 2017-09-05 | 2017-12-22 | 洛阳华理研究院科技有限公司 | A kind of light path device of self-action adjustable focus plane for 3D printing |
| CN107471640A (en) * | 2017-09-30 | 2017-12-15 | 窦鹤鸿 | A kind of Laser Driven mechanism and 3D printer |
| CN108213424A (en) * | 2017-12-29 | 2018-06-29 | 广东汉邦激光科技有限公司 | The 3D printing device and Method of printing of biologic implant |
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