CN108015278A - A kind of rotary power spreading device of 3 D-printing device and its guide vane - Google Patents
A kind of rotary power spreading device of 3 D-printing device and its guide vane Download PDFInfo
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- CN108015278A CN108015278A CN201711192970.6A CN201711192970A CN108015278A CN 108015278 A CN108015278 A CN 108015278A CN 201711192970 A CN201711192970 A CN 201711192970A CN 108015278 A CN108015278 A CN 108015278A
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- powdering
- guide vane
- notch
- power spreading
- rotation axis
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- 238000003892 spreading Methods 0.000 title claims abstract description 47
- 238000007639 printing Methods 0.000 title claims abstract description 37
- 238000000227 grinding Methods 0.000 claims abstract description 174
- 239000000843 powder Substances 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000007596 consolidation process Methods 0.000 claims description 21
- 229910002114 biscuit porcelain Inorganic materials 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 4
- 230000005055 memory storage Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000110 selective laser sintering Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation 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
- 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
- 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
- B22F12/60—Planarisation devices; Compression devices
- B22F12/67—Blades
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- 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
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
Abstract
The present invention relates to a kind of 3 D-printing device and its rotary power spreading device of guide vane, belong to rapid shaping technique field.The rotary power spreading device of guide vane includes powdering unit and driving unit；Powdering unit can rotate predetermined angular around powdering rotation axis, including powder-storage bin and be installed in the more than one guide vane slot structure below the powder-storage bin and communicated therewith；Guide vane slot structure includes the powdering groove that notch is arranged downward, the shield of the unlatching size for controlling notch, and the powdering scraper plate by notch side；Notch is disposed to extend radially of the axis of rotation with powdering scraper plate from powdering rotation axis along powdering；Driving unit is used to drive shield to rotate to open and close the size of notch and change notch and drive powdering unit rotational to carry out powdering.Using the rotary power spreading device of guide vane carry out rotation scrape powder substitute the prior art translation powdering is carried out using powder-laying roller in withing, can while powdering uniformity is improved, raising powdering efficiency, can be widely applied to manufacturing field.
Description
Technical field
The present invention relates to a kind of rapid forming equipment and its parts, specifically, are related to a kind of 3 D-printing device and use
The rotary power spreading device of guide vane and the 3 D-printing device with the guide vane rotary power spreading device structure.
Background technology
In three-dimensional printing technology, powder-stuck shaping (three-dimensional P), selective laser sintering (SLS) and selective laser
Melting (SLM) technology is both needed to carry out powdering operation；This three classes 3 D-printing device generally includes control unit, is laid with for containing
The powder bed and consolidation that go out go out the print platform of three-dimensional body, and it is thick that predetermined layer is laid with print platform by control unit control
The power spreading device of powder bed, and amount of powder is consolidated adult structure sheaf on powder bed by control unit control
Consolidation device.During powder consolidation, powder-stuck forming technique be using consolidation device on powder bed selectively
For sprinkling binding agent to consolidate out current printable layer, selective laser sintering and selective laser fusion technology are using laser
Amount of powder layer is selectively sintered on powder bed to consolidate out current printable layer；Complete current layer powder consolidation and be molded it
Afterwards, control unit control print platform move down the thickness that will print slicing layer or control power spreading device be moved upwardly by will
The thickness of slicing layer is printed, and carries out lower floor's powdering operation.
Current power spreading device is to carry out powdering using powder-laying roller with translational movement, and there are powdering is uneven and powdering efficiency
Low problem.
The content of the invention
The main object of the present invention is to provide a kind of rotary power spreading device of guide vane for being used to build 3 D-printing device, with
While its powdering uniformity is improved, powdering efficiency is improved；
It is a further object of the present invention to provide a kind of 3 D-printing device by the rotary power spreading device structure of above-mentioned guide vane.
To achieve these goals, it is single with driving to include powdering unit for the rotary power spreading device of guide vane provided by the invention
Member；Powdering unit can rotate predetermined angular around powdering rotation axis, including powder-storage bin and be installed in below the powder-storage bin and connect with it
Logical more than one guide vane slot structure；Guide vane slot structure includes the powdering groove that notch is arranged downward, for controlling opening for notch
Open the shield of size, and the powdering scraper plate by notch side；Notch is rotated with powdering scraper plate from powdering rotation axis along powdering
Axis radially extends arrangement；Driving unit is used to drive shield to rotate to open and close notch and change around powdering rotation axis relative to powdering groove
Become the size of notch, and driving powdering unit is rotated around powdering rotation axis to carry out powdering.
During the work time, rotated by driving unit driving shield relative to powdering groove around powdering rotation axis paving can be changed
The size of powder tank notch, so that the thickness of controllable powdering layer, and while powdering, bisque is carried out using powdering scraper plate same
Step drawout is paved, so as to effectively improve powdering quality；Since its notch and powdering scraper plate are radially arranged, so as to pass through rotation
One layer of powdering can be completed by turning the angle less than or equal to 360 degree, effectively improve powdering efficiency.
Specific scheme is that notch is the triangular notch that vertex is located at that in powdering rotation axis and both sides are radially arranged,
Powdering scraper plate is tablet.Powdering groove notch is arranged to vee gutter structure, and groove both sides are radially arranged, so as to make every place
The girth of notch is directly proportional to the powdering amount of the girth position, effectively improves powdering uniformity.
More specifically scheme includes rotation powdering module and rotation shield module for powdering unit；Rotation shield module includes
The support cylinder and radial outer end of lower end opening are installed in the shield on the inner wall of support cylinder, the central axis edge of support cylinder
Powdering rotation axis is arranged；Rotation powdering module can rotationally be sleeved on support cylinder with respect to support cylinder around powdering rotation axis
Oblate barrel structure interior, including powder-storage bin and powdering groove, that axis is arranged along powdering rotation axis centered on powder-storage bin；Oblate barrel structure
Cylinder bottom wall be equipped with the notch for forming powdering groove adjacent to the inside groove section portion of powdering rotation axis, powdering groove is outer away from powdering rotation axis
The side wall of groove body portion from oblate barrel structure extends outwardly.It is simple and practical in structure.
Specific scheme is oblate barrel structure with being equipped with by soft duff pipe on the roof in outer tank body portion and supplying powder cabin again
The powder entering hole of connection.
Preferable scheme is that the quantity of guide vane slot structure is the angle between two or more and two neighboring guide vane slot structure
It is equal.The powdering anglec of rotation is contracted to below 180 degree, to further improve powdering efficiency.
In order to realize above-mentioned another object, 3 D-printing device provided by the invention includes control unit, rack and installation
Print platform in rack and the power spreading device and consolidation device by control unit control, wherein, power spreading device is above-mentioned
The rotary power spreading device of the described guide vane of one technical solution.
Since the 3 D-printing device has used the rotary power spreading device of above-mentioned guide vane, the same of the powdering uniformity can improved
When, there is provided powdering efficiency.
Brief description of the drawings
Fig. 1 is the structure diagram of power spreading device in 3 D-printing device embodiment of the present invention；
Fig. 2 is structure diagram of the power spreading device after soft duff pipe is omitted in 3 D-printing device embodiment of the present invention；
Fig. 3 is the structure diagram that shield module is rotated in 3 D-printing device embodiment of the present invention；
Fig. 4 is the structure diagram that powdering module is rotated in 3 D-printing device embodiment of the present invention；
Fig. 5 matches somebody with somebody for the first of rotation powdering module in 3 D-printing device embodiment of the present invention and rotation screening powder intermodule
Conjunction state schematic diagram；
Fig. 6 is A partial enlarged views in Fig. 5；
Fig. 7 is to rotate second that powdering module hides powder intermodule with rotation in 3 D-printing device embodiment of the present invention to match somebody with somebody
Conjunction state schematic diagram；
Fig. 8 is B partial enlarged views in Fig. 7；
Fig. 9 is the process schematic that 3 D-printing device embodiment of the present invention carries out printing three-dimensional body.
With reference to embodiments and its attached drawing the invention will be further described.
Embodiment
Following embodiment is mainly for 3 D-printing device of the present invention, since 3 D-printing device of the present invention employs this
The rotary power spreading device of invention guide vane, includes in the explanation in 3 D-printing device embodiment and the rotary powdering of guide vane is filled
The explanation of embodiment is put, no longer the rotary power spreading device embodiment of guide vane is repeated.
The present invention is mainly improved the structure of power spreading device in 3 D-printing device, to improve powdering uniformity
While, powdering efficiency is improved, other component structurals such as print platform, consolidation device can use existing product in 3 D-printing
Structure design.
3 D-printing embodiment
Referring to Fig. 1, Fig. 2 and Fig. 9,3 D-printing device of the present invention includes control unit, rack and in the rack
Print platform 1, consolidation device 2 and power spreading device 3.
Print platform 1 is installed on for one in rack and the cylindrical structure of upper end opening, its lower end is provided with driving mechanism,
For driving whole print platform 1 back and forth to be moved up and down upwards in Z axis.Wherein, vertical, XOY of the Z axis into composition the present embodiment
Plane forms the transverse direction in the present embodiment.
Consolidation device 2 is installed in the surface of print platform 1, including laser system 21 and based on light-addressed light valve technology
Galvanometer system 22, it is used to carry out the selectively laser sintered or laser melting in part to the bisque being laid on print platform 1,
To consolidate out current printable layer.
Referring to Fig. 1 to Fig. 4, power spreading device 3 is the rotary power spreading device of guide vane, including powdering unit and driving unit, paving
Powder unit includes rotation shield module 4 and rotation powdering module 5.
As shown in Figure 1 to Figure 3, rotating shield module 4 includes support cylinder 40 and three blocks of shields 41, under support cylinder 40 is
Tube structure open and that upper end is closed by cylinder roof 43 is held, shield 41 is from powdering rotation axis 30 along the footpath of powdering rotation axis 30
To the triangle harden structure being disposed to extend, and two edges of the triangle harden structure powdering rotation axis 30 radially extends arrangement, and three
The radial direction inner end of block shield 41, which is intersected, to be connected at powdering rotation axis 30, and radial outer end is installed on the inner wall of support cylinder 40,
The lower section of every block of shield 41 is installed with support floor 42, and the central axis of support cylinder 40 is arranged along powdering rotation axis 30；Cylinder top
Wall 43 is equipped with multiple powder entering holes 400.
As shown in Figure 1, Figure 2 and shown in Fig. 4, rotation powdering module 5 includes the powdering groove 51 that powder-storage bin 50 and notch are arranged downward；
The oblate barrel structure that axis is arranged along powdering rotation axis centered on powder-storage bin 50, the cylinder bottom wall of the oblate barrel structure are equipped with to form and spread
Powder tank 51 is adjacent to the notch 500 in the inside groove section portion 511 of powdering rotation axis 30, outer tank body of the powdering groove 51 away from powdering rotation axis 30
The side wall of portion 512 from oblate barrel structure extends outwardly, and in the side-walls formed with composition connection outer tank body portion 512 and inside groove section
The notch in portion 511, the notch of whole powdering groove 51 is located at for vertex in powdering rotation axis 30 and both sides are along powdering rotation axis 30
Radial arrangement triangular notch.The upper end of oblate barrel structure is fixed with the transmission shaft 61 arranged along powdering rotation axis 30 to be connected
Connect, the upper end of transmission shaft 61 through after the centre bore of cylinder roof 43 with driving the armature spindle of motor 62 to be fixedly connected, i.e. driving electricity
Machine 62 forms driving rotation powdering module 5 together with transmission shaft 61 and rotates against what shield module 4 was rotated around powdering rotation axis 30
Driver, that is, rotating the opposite support cylinder 40 of powdering module 5 can rotationally be sleeved in support cylinder 40 around powdering rotation axis 30；
Powdering scraper plate 52 is installed with by the notch side of powdering groove 51, the powdering scraper plate 52 is from powdering rotation axis 30 along powdering rotation axis 30
The tablet for radially extending arrangement, i.e., be located at along powdering unit around the rotation powdering direction of powdering rotation axis 30, powdering scraper plate 52
The downstream of 51 notch of powdering groove.
Powdering groove 51, powdering scraper plate 52 and shield 41 form the guide vane slot structure in the present embodiment, i.e. the guide vane groove together
Structure is installed in the lower section of powder-storage bin 50 and is connected with powder-storage bin 50 so that in powder-storage bin 50 printing powder fall into it is in powdering groove and real
Existing powdering.
As shown in Figures 1 to 8, by driving the driving rotation powdering of motor 62 module 5 to rotate against shield module 4 around powdering
Rotation axis 30 rotates predetermined angular, though shield 41 with respect to outer tank body portion 512 around the rotation predetermined angular of powdering rotation axis 30 to opening
The notch of powdering groove 51 is opened or closed, and the notch size of powdering groove 51 is adjusted, i.e., as shown in Fig. 5 to Fig. 8, with screening
During plate 41 is rotated towards the direction away from powdering scraper plate 52, the notch of powdering groove 51 gradually increases
Powder entering hole 501 is equipped with cylindrical structure and is equipped with powder entering hole 5120 on the roof in outer tank body portion 512, these into
Powder hole is connected by soft duff pipe with powder entering hole 400, and powder entering hole 400 is connected by soft duff pipe with for powder cabin, so that will be for powder
Powdering groove 51, which is resupplied, after printing powder supply powder-storage bin 50 in storehouse carries out powdering operation.
The quantity of guide vane slot structure it is optional one or more, be preferably 3,4 or 5, select in the present embodiment
For 3.
In the present embodiment, driving unit includes driver 6 and for driving whole powdering unit with respect to rack around powdering
Rotation axis 30 rotates the second driver of predetermined powdering angle.
Referring to Fig. 1 to Fig. 9, in 3 D-printing device of the present invention, the energy under the driving of vertical driving mechanism of print platform 1
Back and forth moved up and down upwards in Z axis, and power spreading device 2 can translate under the driving of transversal driving mechanism in XOY plane, i.e.,
By control unit control opposite print platform 1 can move back and forth and can power spreading device 2 along the vertical of parallel powdering rotation axis 30
Moved perpendicular to vertical transverse reciprocating on edge.
Control unit includes processor and memory, and memory storage has computer program, and computer program is by processor
During execution, following steps can be realized：
Setting procedure S1, according to pre- powdering thickness, drives shield 41 to be rotated relative to powdering groove 51 around powdering by driver 6
Axis 30 rotates predetermined angular to set the notch size of powdering groove.
Powdering step S2, by the second driver drive powdering unit around powdering rotation axis 30 rotate predetermined powdering angle with
Bisque is laid with surface to be printed, it is synchronous that the bisque progress drawout of laying is paved using powdering scraper plate 52.For predetermined powdering
Angle, it is equal to 360 degree and the ratio of number of guide vane slot structure, is in the present embodiment 120 degree.
Consolidation step S3, after powdering and drawout is completed, driving shield 41 is with respect to powdering groove 51 around 30 turns of powdering rotation axis
Move to close the notch of powdering groove, and drive powdering unit to be laterally moved again relative to the first vertically movement of print platform 1 to move back
Go out the top of print platform 1, be then turned on consolidation device 3 and carry out selectively solidified portion bisque 02, and member-retaining portion bisque 01
For pulverulence, while to provide support for follow-up bisque, and recyclable unconsolidated part printing powder.In the present embodiment
In, first drive print platform 1 to exit print platform 1 along being moved downward to power spreading device 2 along Z axis, i.e. power spreading device 2 transversely moves
Print platform 1 can be avoided when dynamic, then controls driving mechanism driving power spreading device 2 to laterally move to consolidation device will not be blocked
3 send the light path of consolidation laser.
Laying and consolidation by above three step one layer of bisque of completion, consolidation bisque 02 is not with consolidating the upper of bisque 01
Surface forms the printing surface of next bisque, and when being laid with next bisque, power spreading device 2 laterally moves playback, and then driving is beaten
The spacing that print platform 1 rises to the lower edge of printing surface and powdering scraper plate 52 along Z axis is the thickness of pre-print bisque.
In the present invention, the radial direction of powdering rotation axis 30 is configured as a little rotating a circle what is formed around powdering rotation axis 30
Round radial direction.
Claims (10)
- A kind of 1. rotary power spreading device of guide vane of 3 D-printing device, it is characterised in that the rotary power spreading device of guide vane Including：Powdering unit, can rotate predetermined angular around powdering rotation axis, including powder-storage bin and be installed in below the powder-storage bin and with The more than one guide vane slot structure of the powder-storage bin connection；The guide vane slot structure includes the powdering groove that notch is arranged downward, Shield for the unlatching size for controlling the notch, and the powdering scraper plate by the notch side；The notch with it is described Powdering scraper plate is disposed to extend radially of the axis of rotation from the powdering rotation axis along the powdering；Driving unit, for driving the shield to be rotated relative to the powdering groove around the powdering rotation axis to open and close the notch And change the size of the notch, and the driving powdering unit is rotated around the powdering rotation axis to carry out powdering.
- 2. the rotary power spreading device of guide vane according to claim 1, it is characterised in that：The notch is located at for vertex in the powdering rotation axis and both sides are along the triangular notch of the radial arrangement, described Powdering scraper plate is tablet.
- 3. the rotary power spreading device of guide vane according to claim 1 or 2, it is characterised in that：The powdering unit includes rotation powdering module and rotation shield module；The rotation shield module includes the support cylinder of lower end opening and radial outer end is installed in the inner wall of the support cylinder On the shield, the central axis of the support cylinder arranges along the powdering rotation axis；The rotation relatively described support cylinder of powdering module can rotationally be sleeved on the branch around the powdering rotation axis and hold round In cylinder, including the powder-storage bin and the powdering groove, axis is arranged flat along the powdering rotation axis centered on the powder-storage bin Cylindrical structure；The cylinder bottom wall of the oblate barrel structure, which is equipped with, forms the powdering groove adjacent to the inside groove section portion of the powdering rotation axis Notch, the side wall of the powdering groove outer tank body portion away from the powdering rotation axis from the oblate barrel structure extends outwardly.
- 4. the rotary power spreading device of guide vane according to claim 3, it is characterised in that：The oblate barrel structure be equipped with the roof in the outer tank body portion by soft duff pipe with for powder cabin connect into powder Hole.
- 5. the rotary power spreading device of guide vane according to any one of Claims 1-4 claim, it is characterised in that：Angle of the quantity of the guide vane slot structure between two or more and the two neighboring guide vane slot structure is equal.
- 6. a kind of 3 D-printing device, including control unit, rack and print platform in the rack and by described The power spreading device and consolidation device of control unit control, it is characterised in that：The power spreading device is the rotary power spreading device of guide vane described in any one of Claims 1-4 claim.
- 7. 3 D-printing device according to claim 6, it is characterised in that：The power spreading device is controlled relatively described print platform can be along the parallel powdering rotation axis by described control unit It is vertical to move back and forth and be moved along perpendicular to the vertical transverse reciprocating；The consolidation device is located at the surface that ground above the power spreading device is installed on the print platform, including laser system And the galvanometer system based on light-addressed light valve technology.
- 8. a kind of 3 D-printing device, including control unit, rack and print platform in the rack and by described The power spreading device and consolidation device of control unit control, it is characterised in that：The power spreading device is the rotary power spreading device of guide vane described in claim 5.
- 9. 3 D-printing device according to claim 8, it is characterised in that：The power spreading device is controlled relatively described print platform can be along the parallel powdering rotation axis by described control unit It is vertical to move back and forth and be moved along perpendicular to the vertical transverse reciprocating；The consolidation device is located at the surface that ground above the power spreading device is installed on the print platform, including laser system And the galvanometer system based on light-addressed light valve technology.
- 10. 3 D-printing device according to claim 9, it is characterised in that described control unit includes processor and storage Device, the memory storage has computer program, when the computer program is performed by the processor, can realize following step Suddenly：Setting procedure, according to pre- powdering thickness, drives the shield to be rotated relative to the powdering groove around the powdering rotation axis pre- Angle is determined to set the size of the notch；Powdering step, drives the powdering unit to rotate predetermined powdering angle around the powdering rotation axis with surface to be printed upper berth If bisque, synchronous that the bisque progress drawout of laying is paved using the powdering scraper plate, the predetermined powdering angle is equal to 360 degree With the ratio of number of the guide vane slot structure；Consolidation step, after powdering and drawout is completed, drives the relatively described powdering groove of the shield to turn around the powdering rotation axis Move to close the notch, and drive the relatively described print platform of the powdering unit first along described vertically movable again along the horizontal stroke To mobile to exit the top of the print platform, it is then turned on the consolidation device and carries out selectively solidified portion bisque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192970.6A CN108015278B (en) | 2017-11-24 | 2017-11-24 | A kind of 3 D-printing device and its rotary power spreading device of guide vane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711192970.6A CN108015278B (en) | 2017-11-24 | 2017-11-24 | A kind of 3 D-printing device and its rotary power spreading device of guide vane |
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| CN108015278A true CN108015278A (en) | 2018-05-11 |
| CN108015278B CN108015278B (en) | 2019-05-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332697A (en) * | 2018-11-16 | 2019-02-15 | 汕头大学 | A kind of precinct laser fusion increasing material manufacturing equipment |
| CN111483144A (en) * | 2020-05-09 | 2020-08-04 | 朱苗苗 | Powder paving device of 3D printer |
| WO2021259428A1 (en) | 2020-06-26 | 2021-12-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Additive manufacturing method and device |
| CN114682806A (en) * | 2022-03-14 | 2022-07-01 | 江南大学 | Laser powder bed melting forming device based on rotary powder laying mechanism |
| CN118123017A (en) * | 2024-05-07 | 2024-06-04 | 株洲美特优硬质合金有限公司 | Hard alloy processing technology and processing device |
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| CN109332697A (en) * | 2018-11-16 | 2019-02-15 | 汕头大学 | A kind of precinct laser fusion increasing material manufacturing equipment |
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| DE102020116972A1 (en) | 2020-06-26 | 2021-12-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Process and device for additive manufacturing |
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| CN118123017A (en) * | 2024-05-07 | 2024-06-04 | 株洲美特优硬质合金有限公司 | Hard alloy processing technology and processing device |
| CN118123017B (en) * | 2024-05-07 | 2024-07-02 | 株洲美特优硬质合金有限公司 | Hard alloy processing technology and processing device |
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