CN108015278B - A kind of 3 D-printing device and its rotary power spreading device of guide vane - Google Patents
A kind of 3 D-printing device and its rotary power spreading device of guide vane Download PDFInfo
- Publication number
- CN108015278B CN108015278B CN201711192970.6A CN201711192970A CN108015278B CN 108015278 B CN108015278 B CN 108015278B CN 201711192970 A CN201711192970 A CN 201711192970A CN 108015278 B CN108015278 B CN 108015278B
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- powdering
- guide vane
- power spreading
- notch
- rotary shaft
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- 238000003892 spreading Methods 0.000 title claims abstract description 49
- 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 6
- 238000007596 consolidation process Methods 0.000 claims description 19
- 229910002114 biscuit porcelain Inorganic materials 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000006467 substitution reaction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 9
- 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
- 230000003287 optical effect Effects 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
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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
- B22F10/20—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 devices 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 rotary shaft, 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 slot 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 from powdering rotary shaft along powdering radially of the axis of rotation with powdering scraper plate；Driving unit is used to that shield to be driven to rotate to open and close notch and the size for changing notch and driving powdering unit rotational to carry out powdering.Rotation carried out using the rotary power spreading device of guide vane scrape the powder substitution prior art that translation powdering is carried out using powder-laying roller in withing, it can be while improving powdering uniformity, 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 components, specifically, being related to a kind of 3 D-printing device use
The rotary power spreading device of guide vane and with the 3 D-printing device of the guide vane rotary power spreading device building.
Background technique
In three-dimensional printing technology, powder-stuck forms (three-dimensional P), selective laser sintering (SLS) and selective laser
Melting (SLM) technology is both needed to carry out powdering operation；These three types of 3 D-printing devices generally include control unit, are laid with for containing
It is thick to be laid with predetermined layer with being controlled by control unit on print platform for powder bed out and the print platform for consolidating out three-dimension object
The power spreading device of powder bed, and so that amount of powder is consolidated adult structure sheaf on powder bed by control unit with being controlled
Consolidation device.During powder consolidation, powder-stuck forming technique be using consolidation device on powder bed selectively
For sprinkling binder to consolidate out current printable layer, selective laser sintering and selective laser fusion technology are using laser
It is sintered amount of powder layer selectively on powder bed to consolidate out current printable layer；It completes current layer powder consolidation and forms it
Afterwards, control unit control print platform moves 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 layer'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
The problems such as low.
Summary of the invention
The main object of the present invention is to provide a kind of rotary power spreading device of the guide vane for constructing 3 D-printing device, with
While improving its powdering uniformity, powdering efficiency is improved；
It is a further object of the present invention to provide a kind of 3 D-printing devices by the rotary power spreading device building of above-mentioned guide vane.
To achieve the goals above, the rotary power spreading device of guide vane provided by the invention includes that powdering unit and driving are single
Member；Powdering unit can rotate predetermined angular around powdering rotary shaft, 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 slot that notch is arranged downward, for controlling opening for notch
The shield of size is opened, and the powdering scraper plate by notch side；Notch and powdering scraper plate are rotated from powdering rotary shaft along powdering
Axis radially extends arrangement；Driving unit opens and closes notch for driving shield to rotate relative to powdering slot around powdering rotary shaft and changes
Become the size of notch, and driving powdering unit is rotated around powdering rotary shaft to carry out powdering.
During the work time, shield is driven to rotate changeable paving around powdering rotary shaft relative to powdering slot by driving unit
The size of powder tank notch, thus the thickness of controllable powdering layer, and while powdering, bisque is carried out using powdering scraper plate same
Step drawout is paved, to effectively improve powdering quality；Since its notch and powdering scraper plate are radially arranged, so as to pass through rotation
Turn the angle less than or equal to 360 degree with regard to achievable one layer of powdering, effectively improves powdering efficiency.
It is the triangular notch that vertex is located at that in powdering rotary shaft and both sides are radially arranged that specific scheme, which is notch,
Powdering scraper plate is plate.Powdering slot notch is arranged to vee gutter structure, and slot both sides are radially arranged, so as to make every place
The perimeter of notch is directly proportional to the powdering amount of the perimeter position, effectively improves powdering uniformity.
More specific scheme is that powdering unit includes rotation powdering module and rotation shield module；Rotating 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 arrangement；Support cylinder can be rotationally sleeved on around powdering rotary shaft with respect to support cylinder by rotating powdering module
It is interior, including powder-storage bin and powdering slot, powder-storage bin are the oblate barrel structure that center axis is arranged along powdering rotary shaft；Oblate barrel structure
Cylinder bottom wall be equipped with and constitute powdering slot adjacent to the notch in the inside groove section portion of powdering rotary shaft, powdering slot is outer far from powdering rotary shaft
The side wall of groove body portion from oblate barrel structure extends outwardly.It is simple and practical in structure.
Specific scheme is to be equipped on oblate barrel structure and the roof in outer tank body portion by soft duff pipe and for powder cabin again
The powder entering hole of connection.
Preferred 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.Powdering rotation angle is contracted to 180 degree hereinafter, to further increase powdering efficiency.
In order to achieve the above-mentioned another object, 3 D-printing device provided by the invention includes control unit, rack and installation
Print platform on the rack and the power spreading device and consolidation device controlled by control unit, wherein power spreading device is above-mentioned
The rotary power spreading device of guide vane described in 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, powdering efficiency is provided.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of power spreading device in 3 D-printing Installation practice of the present invention；
Fig. 2 is structural schematic diagram of the power spreading device after omitting soft duff pipe in 3 D-printing Installation practice of the present invention；
Fig. 3 is the structural schematic diagram that shield module is rotated in 3 D-printing Installation practice of the present invention；
Fig. 4 is the structural schematic diagram that powdering module is rotated in 3 D-printing Installation practice of the present invention；
Fig. 5 be 3 D-printing Installation practice of the present invention in rotation powdering module with rotate screening powder intermodule the first match
Conjunction state schematic diagram；
Fig. 6 is A partial enlarged view in Fig. 5；
Fig. 7 is that rotation powdering module hides powder intermodule with rotation in 3 D-printing Installation practice of the present invention second is matched
Conjunction state schematic diagram；
Fig. 8 is B partial enlarged view in Fig. 7；
Fig. 9 is the process schematic that 3 D-printing Installation practice of the present invention carries out printing three-dimension object.
With reference to embodiments and its attached drawing the invention will be further described.
Specific embodiment
Following embodiment is mainly for 3 D-printing device of the present invention, since 3 D-printing device of the present invention uses this
The rotary power spreading device of invention guide vane has included to fill in the explanation in 3 D-printing Installation practice to the rotary powdering of guide vane
The explanation of embodiment is set, no longer the rotary power spreading device embodiment of guide vane is repeated.
The present invention mainly improves the structure of power spreading device in 3 D-printing device, to improve powdering uniformity
While, powdering efficiency is improved, existing product can be used in other component structurals such as print platform, consolidation device 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 is mounted in the rack
Print platform 1, consolidation device 2 and power spreading device 3.
Print platform 1 is mounted on the rack for one and the cylindrical structure of upper end opening, lower end are equipped with driving mechanism,
For driving entire print platform 1 back and forth to move up and down upwards in Z axis.Wherein, vertical, XOY of the Z axis into composition the present embodiment
Plane constitutes 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 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, rotation shield module 4 includes support cylinder 40 and three blocks of shields 41, under support cylinder 40 is
End is open and upper end by the closed tube structure of cylinder roof 43, shield 41 is from powdering rotary shaft 30 along the diameter of powdering rotary shaft 30
To the set square structure being disposed to extend, and two edges of the set square structure powdering rotary shaft 30 radially extends arrangement, and three
The radial inner end intersection of block shield 41 is connected at powdering rotary shaft 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 rib 42, and the central axis of support cylinder 40 is arranged along powdering rotary shaft 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 slot 51 that powder-storage bin 50 and notch are arranged downward；
Powder-storage bin 50 is the oblate barrel structure that center axis is arranged along powdering rotary shaft, and the cylinder bottom wall of the oblate barrel structure, which is equipped with, constitutes paving
Notch 500 of the powder tank 51 adjacent to the inside groove section portion 511 of powdering rotary shaft 30, outer tank body of the powdering slot 51 far from powdering rotary shaft 30
The side wall of portion 512 from oblate barrel structure extends outwardly, and is formed with composition connection outer tank body portion 512 and inside groove section in the side-walls
The notch in portion 511, the notch of entire powdering slot 51 are that vertex is located in powdering rotary shaft 30 and both sides are along powdering rotary shaft 30
The triangular notch radially arranged.The upper end of oblate barrel structure and the fixed company of the transmission shaft 61 arranged along powdering rotary shaft 30
It connects, the upper end of transmission shaft 61 is fixedly connected after the centre bore of cylinder roof 43 with the armature spindle of driving motor 62, i.e. driving electricity
Machine 62 constitutes what driving rotation 5 relative rotation shield module 4 of powdering module was rotated around powdering rotary shaft 30 with transmission shaft 61 together
Driver, i.e. rotation powdering module 5 can be rotationally sleeved in support cylinder 40 with respect to support cylinder 40 around powdering rotary shaft 30；
It is installed with powdering scraper plate 52 by the notch side of powdering slot 51, the powdering scraper plate 52 is from powdering rotary shaft 30 along powdering rotary shaft 30
The plate for radially extending arrangement, i.e., along powdering unit around the rotation powdering direction of powdering rotary shaft 30, powdering scraper plate 52 is located at
The downstream of 51 notch of powdering slot.
Powdering slot 51, powdering scraper plate 52 and shield 41 constitute the guide vane slot structure in the present embodiment, i.e. the guide vane slot together
Structure is installed in 50 lower section of powder-storage bin and is connected to powder-storage bin 50, so that it is in powdering slot and real to fall into the interior printing powder of powder-storage bin 50
Existing powdering.
As shown in Figures 1 to 8, drive rotation 5 relative rotation shield module 4 of powdering module around powdering by driving motor 62
Rotary shaft 30 rotates predetermined angular, though shield 41 with respect to outer tank body portion 512 around the rotation predetermined angular of powdering rotary shaft 30 to opening
The notch of powdering slot 51 is opened or closed, and the notch size of powdering slot 51 is adjusted, i.e., as shown in Fig. 5 to Fig. 8, with screening
During plate 41 is rotated towards the direction far from powdering scraper plate 52, the notch of powdering slot 51 is gradually increased
On cylindrical structure be equipped with powder entering hole 501 and on the roof in outer tank body portion 512 be equipped with powder entering hole 5120, these into
Powder hole is connected to by soft duff pipe with powder entering hole 400, and powder entering hole 400 is connected to by soft duff pipe with for powder cabin, thus by powder supply
Powdering slot 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, preferably 3,4 or 5 select in the present embodiment
It is 3.
In the present embodiment, driving unit include driver 6 and for drive entire powdering unit with respect to rack around powdering
Rotary shaft 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
It is back and forth moved up and down upwards in Z axis, and power spreading device 3 can translate under the driving of transversal driving mechanism in XOY plane, i.e.,
Power spreading device 3 by control unit controlled opposite print platform 1 can be moved back and forth and can along the vertical of parallel powdering rotary shaft 30
It is moved perpendicular to vertical transverse reciprocating on edge.
Control unit includes processor and memory, and memory is stored with computer program, and computer program is by processor
When execution, it is able to achieve following steps:
Setting procedure S1 drives shield 41 to rotate relative to powdering slot 51 around powdering according to pre- powdering thickness by driver 6
Axis 30 rotates predetermined angular to set the notch size of powdering slot.
Powdering step S2, by the second driver drive powdering unit around powdering rotary shaft 30 rotate predetermined powdering angle with
Bisque is laid on surface to be printed, the synchronous bisque using 52 pairs of powdering scraper plate layings carries out drawout and paves.For predetermined powdering
Angle 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 completing powdering and drawout, driving shield 41 is with respect to powdering slot 51 around 30 turns of powdering rotary shaft
It moves to close the notch of powdering slot, and powdering unit is driven to be laterally moved again relative to the first vertically movement of print platform 1 to move back
The top of print platform 1 out is then turned on consolidation device 2 and carries out selectively solidified portion bisque 02, and retains part bisque 01
For pulverulence, while to provide support for subsequent bisque, and unconsolidated part printing powder can be recycled.In the present embodiment
In, first print platform 1 is driven to exit print platform 1 along being moved downward to power spreading device 3 along Z axis, i.e. power spreading device 3 transversely moves
Print platform 1 can be avoided when dynamic, then controlled driving mechanism driving power spreading device 3 and laterally moved to will not block consolidation device
2 issue the optical path of consolidation laser.
The laying and consolidation of one layer of bisque are completed by above three step, consolidate bisque 02 and do not consolidate the upper of bisque 01
Surface constitutes the printing surface of next bisque, and when being laid with next bisque, power spreading device 3 laterally moves playback, and then driving is beaten
Spacing of the print platform 1 along the lower edge that Z axis rises to printing surface and powdering scraper plate 52 is the thickness of pre-print bisque.
In the present invention, the radial direction of powdering rotary shaft 30 is configured as a little rotating a circle around powdering rotary shaft 30 to be formed
Round radial direction.
Claims (12)
1. a kind of rotary power spreading device of guide vane of 3 D-printing device, which is characterized in that the rotary power spreading device of guide vane
Include:
Powdering unit, can rotate predetermined angular around powdering rotary shaft, 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 slot that notch is arranged downward,
For controlling the shield of the unlatching size of the notch, and the powdering scraper plate by the notch side；The notch with it is described
Powdering scraper plate is disposed to extend from the powdering rotary shaft along the powdering radially of the axis of rotation；
Driving unit, for driving the shield to rotate relative to the powdering slot around the powdering rotary shaft to open and close the notch
And change the size of the notch, and the driving powdering unit is rotated around the powdering rotary shaft 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 that vertex is located in the powdering rotary shaft and both sides are along the triangular notch radially arranged, described
Powdering scraper plate is plate.
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 that the support cylinder of lower end opening and radial outer end are installed in the inner wall of the support cylinder
On the shield, the central axis of the support cylinder arranges along the powdering rotary shaft；
The relatively described support cylinder of rotation powdering module can rotationally be sleeved on the branch around the powdering rotary shaft and hold round
In cylinder, including the powder-storage bin and the powdering slot, the powder-storage bin are that center axis arranges flat along the powdering rotary shaft
Cylindrical structure；The cylinder bottom wall of the oblate barrel structure, which is equipped with, constitutes the powdering slot adjacent to the inside groove section portion of the powdering rotary shaft
Notch, the side wall of the powdering slot outer tank body portion far from the powdering rotary shaft 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:
Be equipped on the oblate barrel structure and the roof in the outer tank body portion by soft duff pipe with for powder cabin be connected into powder
Hole.
5. the rotary power spreading device of guide vane according to claim 1 or 2, it is characterised in that:
The quantity of the guide vane slot structure is that the angle between the more than two and two neighboring guide vane slot structure is equal.
6. the rotary power spreading device of guide vane according to claim 3, it is characterised in that:
The quantity of the guide vane slot structure is that the angle between the more than two and two neighboring guide vane slot structure is equal.
7. the rotary power spreading device of guide vane according to claim 4, it is characterised in that:
The quantity of the guide vane slot structure is that the angle between the more than two and two neighboring guide vane slot structure is equal.
8. a kind of 3 D-printing device, including control unit, rack and the print platform being mounted on 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.
9. 3 D-printing device according to claim 8, it is characterised in that:
The power spreading device is controlled the relatively described print platform by described control unit can be along the parallel powdering rotary shaft
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 the print platform is mounted on above the power spreading device, including laser system
And the galvanometer system based on light-addressed light valve technology.
10. a kind of 3 D-printing device, including control unit, rack and the print platform being mounted on 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 claim 5 to 7 claim.
11. 3 D-printing device according to claim 10, it is characterised in that:
The power spreading device is controlled the relatively described print platform by described control unit can be along the parallel powdering rotary shaft
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 the print platform is mounted on above the power spreading device, including laser system
And the galvanometer system based on light-addressed light valve technology.
12. 3 D-printing device according to claim 11, which is characterized in that described control unit includes processor and storage
Device, the memory is stored with computer program, when the computer program is executed by the processor, is able to achieve following step
It is rapid:
Setting procedure drives the shield pre- around powdering rotary shaft rotation relative to the powdering slot according to pre- powdering thickness
Angle is determined to set the size of the notch；
Powdering step drives the powdering unit to rotate predetermined powdering angle on surface to be printed upper berth around the powdering rotary shaft
If bisque, synchronous to be paved using bisque progress drawout of the powdering scraper plate to laying, the predetermined powdering angle is equal to 360 degree
With the ratio of number of the guide vane slot structure；
Consolidation step drives the relatively described powdering slot of the shield to turn around the powdering rotary shaft after completing powdering and drawout
It moves to close the notch, and drives the relatively described print platform of the powdering unit first along described vertically movable again along the cross
The top that the print platform is exited to mobile 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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| Publication Number | Publication Date |
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| CN108015278A CN108015278A (en) | 2018-05-11 |
| CN108015278B true CN108015278B (en) | 2019-05-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332697B (en) * | 2018-11-16 | 2021-07-06 | 汕头大学 | Selective laser melting additive manufacturing equipment |
| CN111483144A (en) * | 2020-05-09 | 2020-08-04 | 朱苗苗 | Powder paving device of 3D printer |
| DE102020116972A1 (en) | 2020-06-26 | 2021-12-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Process and device for additive manufacturing |
| CN114682806B (en) * | 2022-03-14 | 2023-05-05 | 江南大学 | Laser powder bed melting forming device based on rotary powder spreading machine |
| 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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| CN203635913U (en) * | 2013-12-10 | 2014-06-11 | 华南理工大学 | Powder spreading device of SLM equipment |
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| CN206579140U (en) * | 2017-02-09 | 2017-10-24 | 北京卫星制造厂 | A kind of cylinder cam-type fusion sediment type 3D printing feed device |
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| US10786865B2 (en) * | 2014-12-15 | 2020-09-29 | Arcam Ab | Method for additive manufacturing |
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| EP2983896A1 (en) * | 2013-06-03 | 2016-02-17 | Siemens Aktiengesellschaft | System for selective laser melting having rotating relative movement between powder bed and powder distributor |
| CN203635913U (en) * | 2013-12-10 | 2014-06-11 | 华南理工大学 | Powder spreading device of SLM equipment |
| CN203794993U (en) * | 2014-04-02 | 2014-08-27 | 温州职业技术学院 | Laser cladding impulse type powder feeder with rotary powder grooves and scraping plate |
| CN203778764U (en) * | 2014-04-21 | 2014-08-20 | 马鞍山市恒永利机械科技有限公司 | Turntable material-distribution device for slitting knife powder metallurgy |
| CN204869687U (en) * | 2015-08-12 | 2015-12-16 | 广州劲云电子科技有限公司 | Extrusion device capable of detecting feeding |
| CN106077639A (en) * | 2016-06-01 | 2016-11-09 | 西安铂力特激光成形技术有限公司 | A kind of selective laser fusing former and manufacturing process thereof |
| CN106180711A (en) * | 2016-07-15 | 2016-12-07 | 西安交通大学 | A kind of SLM/SLS towards dusty material spreads powder craft |
| CN206579140U (en) * | 2017-02-09 | 2017-10-24 | 北京卫星制造厂 | A kind of cylinder cam-type fusion sediment type 3D printing feed device |
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| CN108015278A (en) | 2018-05-11 |
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