CN110466152A - A kind of 3D printing system based on Fourier space transformation - Google Patents
A kind of 3D printing system based on Fourier space transformation Download PDFInfo
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- CN110466152A CN110466152A CN201910775732.0A CN201910775732A CN110466152A CN 110466152 A CN110466152 A CN 110466152A CN 201910775732 A CN201910775732 A CN 201910775732A CN 110466152 A CN110466152 A CN 110466152A
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- rod
- level even
- connecting rod
- primary connecting
- adjustment ring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/295—Heating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
A kind of 3D printing system based on Fourier space transformation, including pedestal, center pillar, vertical drive motor, guide rod, feed screw nut, linear bearing, print platform, support frame, primary connecting rod driving motor, motor rack, heating rod, heat block, printing head, trunnion, second level even the rod adjustment ring a, second level even the rod adjustment ring b, second level even the rod hex nut, second level even the rod thrust bearing, second level even the rod driving motor, second level even the rod, primary connecting rod, primary connecting rod adjustment ring a, primary connecting rod adjustment ring b, primary connecting rod hex nut, primary connecting rod thrust bearing；Based on the 3D printing system of Fourier space transformation, being required for existing printer can not only be met, and be generally better at print rotated class part；It is particularly good at and prints higher-dimension curved surface；And the system structure is simple, flexibly high, and the printing apparent higher-dimension curved surface of Curvature varying can be met by increasing series.
Description
Technical field
The invention belongs to 3D printing technique fields, and in particular to a kind of 3D printing system based on Fourier space transformation.
Background technique
It is currently based on traditional 3D printer of cartesian coordinate system, adding for entire workpiece is realized by layer-by-layer molding mode
Work.No matter finished surface whether there is higher-dimension curved surface, and traditional 3D printer is all made of linear interpolation in whole process
Form printed, this kind of printing type results in following disadvantage: 1) not accounting for when cambered surface or curved-surface materials shape and beat
The problem of printing direction change, successively spraying the distance between material lines formed thereby in printing can change, and cause to be printed
The mechanical property of part is poor；2) when material is during layer-by-layer printing forms cambered surface or curved surface, still using the side of linear interpolation
Formula can accurately not capture the geological information of higher-dimension curved surface, result in and be unsatisfactory for technical requirements by printout surface roughness,
It directly reduces by the precision of printout.3) bent often through printing especially in the apparent higher-dimension curved surface of printing Curvature varying
The direction of face tangent plane is approached, and not only printing precision is lower, and efficiency is lower, has seriously affected 3D printing rapid shaping
The advantages of.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the purpose of the present invention is to provide a kind of based on Fourier space transformation
3D printing system compensates for the deficiency of current 3D printing system, main research are as follows: (1) is based on fourier function intermediate frequency
Relationship between rate and waveform response, arbitrarily selected higher-dimension curved surface is equivalent at a series of signals continuously measured, using having
The different frequency of quantity is limited, the sine wave signal superposition of various amplitude and out of phase is believed to capture the geometry of its higher-dimension curved surface
Breath.When curvature of curve is constant, it is only necessary to fixed bar length can obtain the single curve of the curvature, however when curvature of curve is sent out
When changing, it will need different bars are long to be moved with different frequency to describe the geological information of higher-dimension curved surface；Wherein in the system
The bar long amplitude for indicating higher-dimension curved surface, the different frequency representations speed degree of Curvature varying；In being available with different length
The connecting rod of degree realizes that spray head in the movement of radial direction, while realizing using the circuit oscillation of connecting rod the circular motion of spray head, most
The advantages of length travel of spray head realizes successively printing using ball-screw afterwards, and Fourier transformation can be obtained high-frequency information is used for
It is able to achieve in the novel 3D printing system of higher-dimension curved surface printing.
To achieve the above object, the technical solution adopted by the present invention is that: it is a kind of based on Fourier space transformation 3D printing
System, including pedestal, pedestal are equipped with hollow guide rod, are equipped with the vertical drive motor being fixed on the base in guide rod；
The power output shaft of vertical drive motor is equipped with feed screw nut and support frame；Feed screw nut is affixed by screw with support frame；
The upside of support frame is affixed by bolt with print platform；Linear bearing is fixed by snap on print platform；Guide rod is worn
Cross linear bearing；
The top of the center pillar is fixed with primary connecting rod driving motor by motor rack；Primary connecting rod driving motor moves
Power output end is successively arranged primary connecting rod thrust bearing, primary connecting rod adjustment ring a, primary connecting rod, primary connecting rod adjustment ring upwards
B, primary connecting rod hex nut；
The front end of the primary connecting rod is equipped with second level even the rod driving motor；The power output end of second level even the rod driving motor
It is equipped with second level even the rod thrust bearing；Second level even the rod adjustment ring a is equipped on the downside of second level even the rod thrust bearing；Second level even the rod adjustment ring
Second level even the rod is equipped with below a；Second level even the rod is equipped with second level even the rod adjustment ring b；The downside of second level even the rod adjustment ring b is equipped with second level
Connecting rod hex nut；It is compressed finally by second level even the rod hex nut to whole；
The front end of the second level even the rod is equipped with trunnion；Trunnion is passed through from heat block；Trunnion end is equipped with spray head；Heating
It inlays in block by heating rod.
The guide rod is fixed by center pillar.
The linear bearing is fixed by snap on print platform 7.
The beneficial effects of the present invention are: 1) can not only be met based on the 3D printing system converted based on Fourier space
Existing printer is required, and is generally better at print rotated class part.2) when printing arbitrary curved surface, Fu is utilized
In the leaf transformation of series, high quality, high-precision curved surface can be obtained.3) its Structural Transformation is more flexible, for different printing rulers
It is very little, it is only necessary to which that the polar diameter bar for replacing different length on this basis can meet for various sizes of printing demand, to beat
Higher precision, higher-quality curved surface are printed, then only needs the quantity for increasing polar diameter bar (series can be increased), is conducive to the product
Further development and utilization.4) open structure design is used, structure is simple, small in size.Under equivalent devices outer dimension, base
Become very big in the working range of the 3D printing system of Fourier space transformation, smaller in the amount of movement of workbench, noise is also big
Big to reduce, the service life is longer, is conducive to the production and popularization of product.
Detailed description of the invention
Fig. 1 is the 3D printing system overall structure diagram based on Fourier space transformation.
Fig. 2 is the 3D printing system primary structure schematic diagram based on Fourier space transformation.
Fig. 3 is the 3D printing system secondary structure schematic diagram based on Fourier space transformation.
Fig. 4 is the 3D printing system printing head structural schematic diagram based on Fourier space transformation.
Waveform Fig. 5 (a) constant using single-stage Fourier transform function simulation amplitude.
Fig. 5 (b) simulates the apparent waveform of Curvature varying using twin-stage Fourier transform function.
Fig. 5 (c) utilizes the biggish waveform of three-level Fourier transform function analog waveform vibration frequency.
Fig. 6 is the 3D printing system axonometric drawing based on Fourier space transformation.
In figure: 1- pedestal；2- center pillar；3- vertical drive motor 4- guide rod；5- feed screw nut；6- linear bearing；7- is beaten
Print platform；8- support frame；9- primary connecting rod driving motor；10- motor rack；11- heating rod；12- heat block；13- printing head；
14- trunnion；15- second level even the rod adjustment ring a；16- second level even the rod adjustment ring b；17- second level even the rod hex nut；18- second level even the rod
Thrust bearing；19- second level even the rod driving motor；20- second level even the rod；21- primary connecting rod；22- primary connecting rod adjustment ring a；23- mono-
Grade connecting rod adjustment ring b；24- primary connecting rod hex nut；25- primary connecting rod thrust bearing.
Specific embodiment
With reference to the accompanying drawing 1-5 (a)~(c) and specific embodiment to structural principle and working principle of the invention make into
The detailed description of one step.
For the requirement for meeting higher precision, higher-quality printing effect, polar diameter bar can be increased, it is more advanced to meet
The 3D printing of number Fourier transformation.It is only described by taking the 3D printing of second level Fourier transformation as an example in this explanation.
A kind of 3D printing system based on Fourier space transformation, including pedestal 1, center pillar 2, vertical drive motor 3, guiding
Bar 4, feed screw nut 5, linear bearing 6, print platform 7, support frame 8；Vertical drive motor 3 is fixed on pedestal 1；Guide rod 4
It is threadedly secured on pedestal 1, guide rod 4 is fixed by center pillar 2；Feed screw nut 5 and support frame 8 pass through screw
It is affixed；The upside of support frame 8 is affixed by bolt with print platform 7；Linear bearing 6 is fixed by snap on print platform 7；
Guide rod 4 passes through linear bearing 6.By the cooperation of the feed screw nut and the vertical drive motor, print platform can be made
Longitudinal movement is done in the print platform, to realize the layer-by-layer printing of 3D printing.
Referring to Fig. 1,2, primary connecting rod component includes primary connecting rod driving motor 9, motor rack 10, primary connecting rod 21, level-one
Connecting rod adjustment ring a22, primary connecting rod adjustment ring b23, primary connecting rod hex nut 24, primary connecting rod thrust bearing 25；One cascade
Bar driving motor 9 is bolted on motor rack 10；Motor rack 10 is bolted on 2 top of center pillar；Primary connecting rod
Thrust bearing 25 is located at and (is positioned at) on primary connecting rod driving motor 9；Primary connecting rod adjustment ring a22 is located at and (is positioned at) cascade
25 upside of bar thrust bearing；Primary connecting rod 21 is located on the upside of primary connecting rod adjustment ring a22；Primary connecting rod adjustment ring b23 is located at (fixed
Positioned at) in primary connecting rod 21, because primary connecting rod adjustment ring a22, primary connecting rod adjustment ring b23 are located in primary connecting rod 21；
Positioning compression is carried out finally by primary connecting rod hex nut 24.By the rotary motion of the vertical drive motor, so that one
Grade connecting rod can planar move in a circle (first order of Fourier transformation).
Fig. 3 is participated in, second level even the rod component includes second level even the rod adjustment ring a15, second level even the rod adjustment ring b16, second level even the rod
Hex nut 17, second level even the rod thrust bearing 18, second level even the rod driving motor 19, second level even the rod 20；Second level even the rod driving motor
19 are bolted in primary connecting rod 21；Second level even the rod thrust bearing 18 is located at and (is positioned at) second level even the rod driving motor 19
Power output end on；Second level even the rod adjustment ring a15 is equipped on the downside of second level even the rod thrust bearing 18；Second level even the rod adjustment ring a15
Lower section is equipped with second level even the rod 20；Second level even the rod 20 is equipped with second level even the rod adjustment ring b16；The downside of second level even the rod adjustment ring b16
Equipped with second level even the rod hex nut 17；It is compressed finally by 17 pairs of entirety of second level even the rod hex nut.Pass through second level even the rod
The rotary motion of driving motor can make second level even the rod planar move in a circle (second level of Fourier transformation).
Referring to fig. 4, it includes heating rod 11, heat block 12, printing head 13, trunnion 14 that material, which squeezes out component,；Heating rod 11
It is embedded in heat block 12；Trunnion 14 is passed through from heat block 12；14 end of trunnion is equipped with spray head 13.
Primary connecting rod driving motor 9 is rotated, primary connecting rod 21 is directly driven, so that it is moved in a circle in the horizontal plane (right
The first order for answering Fourier space to convert)；
Second level even the rod driving motor 19 is rotated, second level even the rod 20 is directly driven, so that it is moved in a circle in the horizontal plane (right
The second level for answering Fourier space to convert), both the above movement constitutes the transformation of the Fourier space in plane；
Feed screw nut 5 is converted by the rotary motion of vertical drive motor 3 to move along a straight line, and is bound up on feed screw nut to allow
Support frame 8 on 5 moves in a straight line together, and the print platform being bound up on support frame 87 is finally made to do longitudinal movement together, with
Upper three kinds of movements together constitute the transformation of the Fourier space in space, printing head 13 are reached any in space
Position.
Heat block 12 is heated by heating rod 11, so that the printed material in trunnion 14 melts, is beaten by described
It prints spray head 13 to squeeze out, completes the printing operation of 3D printing.
In Fourier space transformation, arbitrary curve can regard the different frequency using limited quantity, difference vibration as
What width and the sine wave signal of out of phase were superimposed, the present invention using the long and different frequency of different bars by being obtained
Arbitrary curve.
Referring to Fig. 5 (a), 1 bar withFrequency rotated around O point, the track of another endpoint of 1 bar passes through Fourier's change
It changes and curve 1 can be obtained；
Referring to Fig. 5 (b), 1 bar withFrequency around O point rotate, 2 bars withFrequency rotated around 1 bar end,
Curve 2 can be obtained by Fourier transformation in the track of its 2 bar distal point；
Referring to Fig. 5 (c), 1 bar withFrequency around O point rotate, 2 bars withFrequency revolved around 1 bar end
Turn, 3 bars withFrequency rotated around 2 bar ends, curve can be obtained by Fourier transformation in the track of 3 bar distal points
3。
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (3)
1. a kind of 3D printing system based on Fourier space transformation, including pedestal (1), which is characterized in that pedestal (1) is equipped with
Hollow guide rod (4), guide rod (4) is interior to be equipped with the vertical drive motor (3) being fixed on pedestal (1)；Vertical drive motor
(3) power output shaft is equipped with feed screw nut (5) and support frame (8)；Feed screw nut (5) and support frame (8) are solid by screw
It connects；The upside of support frame (8) is affixed by bolt with print platform (7)；Linear bearing (6) is fixed by snap in print platform
(7) on；Guide rod (4) passes through linear bearing (6)；
The top of the center pillar (2) is fixed with primary connecting rod driving motor (9) by motor rack (10)；Primary connecting rod driving electricity
The power output end of machine (9) is successively arranged primary connecting rod thrust bearing (25), primary connecting rod adjustment ring a (22), a cascade upwards
Bar (21), primary connecting rod adjustment ring b (23), primary connecting rod hex nut (24)；
The front end of the primary connecting rod (21) is equipped with second level even the rod driving motor (19)；Second level even the rod driving motor (19) moves
Power output end is equipped with second level even the rod thrust bearing (18)；Second level even the rod adjustment ring is equipped on the downside of second level even the rod thrust bearing (18)
a(15)；Second level even the rod (20) are equipped with below second level even the rod adjustment ring a (15)；Second level even the rod (20) is adjusted equipped with second level even the rod
Ring b (16)；The downside of second level even the rod adjustment ring b (16) is equipped with second level even the rod hex nut (17)；Pass through second level even the rod hexagonal spiral shell
Female (17) are compressed to whole；
The front end of the second level even the rod (20) is equipped with trunnion (14)；Trunnion (14) is passed through from heat block (12)；Trunnion (14)
End is equipped with spray head (13)；It is inlayed in heat block (12) by heating rod (11).
2. a kind of 3D printing system based on Fourier space transformation according to claim 1, which is characterized in that described
Guide rod (4) is fixed by center pillar (2).
3. a kind of 3D printing system based on Fourier space transformation according to claim 1, which is characterized in that described
Linear bearing (6) is fixed by snap on print platform (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775732.0A CN110466152A (en) | 2019-08-21 | 2019-08-21 | A kind of 3D printing system based on Fourier space transformation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775732.0A CN110466152A (en) | 2019-08-21 | 2019-08-21 | A kind of 3D printing system based on Fourier space transformation |
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| Publication Number | Publication Date |
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| CN110466152A true CN110466152A (en) | 2019-11-19 |
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| CN201910775732.0A Pending CN110466152A (en) | 2019-08-21 | 2019-08-21 | A kind of 3D printing system based on Fourier space transformation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438942A (en) * | 2020-04-09 | 2020-07-24 | 王庚祥 | 3D printing system suitable for printing high-dimensional curved surface |
| CN111452359A (en) * | 2020-04-09 | 2020-07-28 | 王庚祥 | Fourier transform 3D printing system based on Cartesian coordinate system |
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| CN106476264A (en) * | 2015-12-28 | 2017-03-08 | 北方工业大学 | Three-axis movement device for 3D printing |
| CN109049700A (en) * | 2018-08-02 | 2018-12-21 | 西安理工大学 | 3D printing system based on 4-PSS/PS parallel institution |
| WO2019018436A1 (en) * | 2017-07-17 | 2019-01-24 | Desktop Metal, Inc. | Additive fabrication using variable build material feed rates |
| CN109477737A (en) * | 2016-06-15 | 2019-03-15 | 联邦材料测试与开发研究所 | It is in situ in increasing material manufacturing technique to be controlled with real-time quality |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204844866U (en) * | 2015-04-30 | 2015-12-09 | 芜湖林一电子科技有限公司 | Three -dimensional printing apparatus with multidimension motion shower nozzle |
| CN106476264A (en) * | 2015-12-28 | 2017-03-08 | 北方工业大学 | Three-axis movement device for 3D printing |
| CN109477737A (en) * | 2016-06-15 | 2019-03-15 | 联邦材料测试与开发研究所 | It is in situ in increasing material manufacturing technique to be controlled with real-time quality |
| WO2019018436A1 (en) * | 2017-07-17 | 2019-01-24 | Desktop Metal, Inc. | Additive fabrication using variable build material feed rates |
| CN109049700A (en) * | 2018-08-02 | 2018-12-21 | 西安理工大学 | 3D printing system based on 4-PSS/PS parallel institution |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438942A (en) * | 2020-04-09 | 2020-07-24 | 王庚祥 | 3D printing system suitable for printing high-dimensional curved surface |
| CN111452359A (en) * | 2020-04-09 | 2020-07-28 | 王庚祥 | Fourier transform 3D printing system based on Cartesian coordinate system |
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Effective date of registration: 20200624 Address after: No.3, floor 13, unit 1, building 1, No.2, Changxing Road, Xincheng District, Xi'an City, Shaanxi Province 710000 Applicant after: Xi'an Weiwei Intelligent Technology Co.,Ltd. Address before: 710048 Shaanxi city of Xi'an Province Jinhua Road No. 5 Applicant before: XI'AN University OF TECHNOLOGY |
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Application publication date: 20191119 |