CN106273506A - 3D printing equipment Sheng Ye mechanism - Google Patents
3D printing equipment Sheng Ye mechanism Download PDFInfo
- Publication number
- CN106273506A CN106273506A CN201610863666.9A CN201610863666A CN106273506A CN 106273506 A CN106273506 A CN 106273506A CN 201610863666 A CN201610863666 A CN 201610863666A CN 106273506 A CN106273506 A CN 106273506A
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- Prior art keywords
- material trough
- printing equipment
- sheng
- printing
- scraping blade
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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
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The present invention openly one 3D printing equipment Sheng Ye mechanism, including for holding the material trough printing solution, for the driving assembly driving material trough to rotate, and for processing the doctor assemblies printing solution, being fully transparent or that subregion is transparent base plate bottom described material trough, the light of 3D printing equipment exposure mechanism exposure curing is by direct projection print platform bottom transparent material trough.3D of the present invention printing equipment Sheng Ye mechanism, it is ensured that high viscosity prints the planarization of solution surface, has that print speed is fast, precision is high, length in service life, a feature such as easy to operate.
Description
Technical field
The present invention relates to a kind of 3D printing equipment Sheng Ye mechanism, belong to printing device technical field.
Background technology
3D printing equipment, also known as three-dimensional printer, is a kind of machine using accumulation manufacturing technology (i.e. Rapid Prototyping technique)
Device, its principle is that data and raw material are put in 3D printer, and machine is created product from level to level according to program.At present,
Conventional 3D printing equipment, in print procedure, all can only print the resin solution that viscosity is relatively low, when printing solution viscosity relatively
Gao Shi, common Sheng Ye mechanism is it is difficult to ensure that print the flatness of solution surface, thus causes printing precision low or cannot beat
Print.
In view of this, this is studied by the present inventor, develops a kind of 3D printing equipment Sheng Ye mechanism specially, this case by
This produces.
Summary of the invention
It is an object of the invention to provide a kind of 3D printing equipment Sheng Ye mechanism, it is ensured that high viscosity prints the flat of solution surface
Whole property, has that print speed is fast, precision is high, length in service life, a feature such as easy to operate.
To achieve these goals, the solution of the present invention is:
3D printing equipment Sheng Ye mechanism, including for holding the material trough printing solution, for the driving driving material trough to rotate
Assembly, and for processing the doctor assemblies printing solution, be fully transparent bottom described material trough or subregion is transparent
Base plate, the light of 3D printing equipment exposure mechanism exposure curing is by direct projection print platform bottom transparent material trough.
As preferably, described doctor assemblies includes that support, scraping blade and actuator, described support are fixedly mounted on pedestal,
Scraping blade is positioned at material trough, and described actuator includes 2 prerotation vanes being arranged on support lower surface, is provided with inside described prerotation vane
Longitudinal gathering sill, scraping blade two ends are arranged in gathering sill, are provided with a transverse connecting rod between described prerotation vane, and scraping blade passes through bullet
Spring is connected with connecting rod, and scraping blade top is provided with adjusting nut, and described adjusting nut is arranged in the screw of support, rotates regulation spiral shell
Mother, the distance between scalable scraping blade and material trough.
As preferably, arrange in 70 ~ 150 ° of angles between described print platform and scraping blade.
As preferably, the dianegative of described material trough is coated with flexible film.
As preferably, described flexible film includes layer of silica gel and the Teflon film being sequentially coated on from the bottom up on base plate
Layer.Flexible film is formed by Double-layered transparent Material cladding, in the case of ensureing under high transmission rate, also have good elasticity and
Demoulding effect.
As preferably, described layer of silica gel thickness is 0.5 ~ 1.5mm, and described Teflon thicknesses of layers is 0.1 ~ 0.2mm.
As preferably, described logistics groove is circular.
As preferably, described driving assembly includes turntable bearing, bearing fixed seat and driving motor, and described material trough is fixed
Being arranged on turntable bearing, described bearing fixed seat is fixedly mounted on pedestal, and described turntable bearing is connected with driving motor, logical
Overdriving the drive of motor, turntable bearing can be freely rotatable on bearing fixed seat, and then drives material trough to rotate on pedestal.
Liquid mechanical work principle contained by above-mentioned 3D printing equipment: the controlling organization of 3D printing equipment controls exposure mechanism, printing
Mechanism, Sheng Ye mechanism start working, and the spacing bottom regulation scraping blade and material trough, material trough uniform rotation, scraping blade is by material trough
The interior solution that prints spreads to a smooth printable layer, and printable layer thickness is a cured layer；Print platform drops to material trough
Bottom, now, print platform lower surface is the thickness that monolayer prints with the spacing of material trough transparent soft thin film upper surface, material
Groove stops operating, and projector projects projection picture by dianegative and transparent soft thin film to print platform, makes drop shadow spread
Interior printing is solution cured and is pasted onto on print platform, and after solidification terminates, print platform rises, and material trough is rotated further；Beat
Print platform drops to bottom material trough again, and scraping blade will be struck off by the region after printing in material trough rotation process, repeat on
Stating step and carry out second layer printing, terminating until printing.Material trough uniform rotation speed is 0.2 ~ 5 rev/min, when material trough pauses
Between according to hardening time depending on.
3D of the present invention printing equipment Sheng Ye mechanism can make 3D printing equipment realize viscosity higher and print beating of solution
Print (such as ceramic size etc.).In print procedure, material trough uniform rotation, scraper rotates with material trough and uniformly strikes off printing solution,
And can accurately regulate spacing at the bottom of scraper and material trough by actuator, it is ensured that each layer of cured thickness is the most accurate；At material trough
In rotation process, print platform can repeatedly rise, decline (scraper can ensure that print platform down position strikes off the most), can be big
Amplitude improves print speed.Arrange in 70 ~ 150 ° of angles between print platform and scraping blade, material trough can be made to be cured region 360
Degree random printing, the service life of continuation hopper transparent soft thin film.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the 3D printing equipment three-dimensional structure diagram of the present embodiment；
Fig. 2 is the material trough sectional view of the present embodiment；
Fig. 3 is driving assembly and the tridimensional structure chart of the present embodiment；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the doctor assemblies three-dimensional structure diagram of the present embodiment；
Fig. 6 is the doctor assemblies front view of the present embodiment.
Detailed description of the invention
3D printing equipment Sheng Ye mechanism described in the present embodiment is applied in 3D printing equipment, it is achieved the 3D of high viscosity solution
Print.As it is shown in figure 1, a kind of 3D printing equipment, including pedestal 1, the exposure mechanism 2 being arranged in pedestal 1, controlling organization 3, with
And the printing mechanism 4 and Sheng Ye mechanism 5 being arranged on pedestal 1, wherein, described printing mechanism 4 includes module 41, is slidably mounted on
Print platform 42 on module 41, in the present embodiment, described print platform 42 is by being vertically set on the leading screw on module 41
43 realize sliding up and down, and print platform 42 is connected with leading screw 43, and leading screw 43 is connected with spindle motor, drives silk by spindle motor
Thick stick 43 rotates, and then drives print platform 42 to move, and in print procedure, print platform 42 can free rise/fall.Described control
Mechanism 3 processed uses microprocessor control, and controlling organization 3 is connected with exposure mechanism 2, printing mechanism 3 and Sheng Ye mechanism 4 respectively, uses
In the action controlling each mechanism.Described exposure mechanism 2 includes projector, and described projector uses DLP projector, projector
Exposure mouth 21 is corresponding with print platform 42.
Described 3D printing equipment Sheng Ye mechanism 5 includes, for holding the roundel hopper 51 printing solution, being used for driving thing
The driving assembly that hopper 51 rotates, and for processing the doctor assemblies 56 printing solution.As in figure 2 it is shown, described material trough 51
Bottom is fully transparent or that subregion is transparent base plate 511, and base plate 511 can use glass, plastics or other full impregnateds
Bright material.Being coated with the uniform flexible film of a layer thickness on described base plate 511, described flexible film includes the most successively
Covering the layer of silica gel 512 on base plate 511 and Teflon film layer 513, the present embodiment layer of silica gel 512 uses PDMS film.Soft
Thin film is formed by Double-layered transparent Material cladding, in the case of ensureing under high transmission rate, also has good elasticity and demoulding effect
Really.Described layer of silica gel 512 thickness is 0.5 ~ 1.5mm, and described Teflon film layer 513 thickness is 0.1 ~ 0.2mm.Projector exposure is solid
The light changed is by direct projection print platform 42 bottom transparent material trough 51.
As shown in Figure 3-4, described driving assembly includes turntable bearing 52, bearing fixed seat 53 and drives motor 54, described
Material trough 51 is fixedly mounted on turntable bearing 52, and described bearing fixed seat 53 is fixedly mounted on pedestal 1 by rotary base 55
Top panel 11 on, described driving motor 54 uses gear motor, the inner ring of rolling bearing 52 to be provided with from gear 521, gear electricity
Machine is provided with master gear 541, by master gear 541 and the cooperation from gear 521, makes the turntable bearing 52 can be at bearing fixed seat 53
Upper freely rotatable, and then drive material trough 51 to rotate on pedestal 1.
Described doctor assemblies 56 includes that support 561, scraping blade 562 and actuator, described support 561 are fixedly mounted on pedestal 1
Top panel 11 on, scraping blade 562 is positioned at material trough 51, and described actuator includes 2 prerotation vanes being arranged on support lower surface
563, be provided with longitudinal gathering sill 564 inside described prerotation vane 563, scraping blade 562 two ends are arranged in gathering sill 564, described in lead
Being provided with a transverse connecting rod 565 between sheet 563, scraping blade 562 is connected with connecting rod 565 by spring 567, scraping blade 562 top
Being provided with adjusting nut 566, in the present embodiment, described adjusting nut 566 uses micrometer.Described adjusting nut 566 upper end is pacified
Being contained in the screw of support, scraping blade 562 is withstood in bottom, rotates adjusting nut 566, the height of scalable scraping blade 562, and then regulation
Distance between scraping blade 562 and material trough 51.Arrange in 70 ~ 150 ° of angles between described print platform 42 and scraping blade 562, generally
The angle of non-360 aliquots.So arrange, material trough 51 can be made to be cured 360 degree of region random printing, continuation hopper 51
The service life of transparent soft thin film.
The Method of printing of above-mentioned 3D printing equipment, comprises the steps:
Step 1, controlling organization 3 control exposure mechanism 2, printing mechanism 4, Sheng Ye mechanism 5 start working, by adjusting nut 566
The spacing of transparent soft thin film upper surface bottom regulation scraping blade 562 and material trough 51, material trough 51 uniform rotation, scraping blade 562 will
The solution that prints in material trough 51 spreads to a smooth printable layer, and printable layer thickness is a cured layer；
Step 2, print platform 42 drop to bottom material trough 51, and now, print platform 42 lower surface is transparent with material trough 51 soft
Property thin film upper surface spacing be the thickness that monolayer prints, material trough 51 stops operating, and projector is by dianegative and transparent
Flexible film projects projection picture to print platform 42, makes the printing in drop shadow spread solution cured and is pasted onto print platform 42
On, after solidification terminates, print platform 42 rises, and material trough is rotated further, and material trough 51 uniform rotation speed is generally 0.2 ~ 5
Rev/min, depending on material trough 51 dead time is according to hardening time, generally 0.5 ~ 10 second；
Step 3, print platform 42 drop to bottom material trough 51 again, and scraping blade 562 will be printed in material trough rotation process
After region strike off, repeat step 2 carry out second layer printing, until print terminate.
3D printing equipment described in the present embodiment can be used for the printing solution that viscosity is higher, such as ceramic size etc., can print
Pottery 3D article.In print procedure, material trough 51 uniform rotation, scraper 562 rotates with material trough 51 and uniformly strikes off printing solution,
Ensureing the flatness of cured layer, scraper 562 accurately regulates the spacing on its base and material trough 51 end simultaneously by actuator, it is ensured that
Each layer of cured thickness is the most accurate；In material trough 51 rotation process, print platform 42 can repeatedly rise, decline that (scraper can
To ensure that print platform down position strikes off the most), print speed can be increased substantially.
Above-described embodiment and the product form of the graphic and non-limiting present invention and style, any art common
Technical staff is suitably changed what it did or modifies, and all should be regarded as the patent category without departing from the present invention.
Claims (9)
1.3D printing equipment Sheng Ye mechanism, it is characterised in that: include, for holding the material trough printing solution, being used for driving material
Groove rotate driving assembly, and for process print solution doctor assemblies, bottom described material trough be fully transparent or
The base plate that subregion is transparent, the light of 3D printing equipment exposure mechanism exposure curing is printed by direct projection bottom transparent material trough
Platform.
2. as claimed in claim 1 3D printing equipment Sheng Ye mechanism, it is characterised in that: described doctor assemblies includes support, scrapes
Sheet and actuator, described support is fixedly mounted on pedestal, and scraping blade is positioned at material trough, and described actuator includes being arranged on support
2 prerotation vanes of lower surface, are provided with longitudinal gathering sill inside described prerotation vane, scraping blade two ends are arranged in gathering sill, described
Being provided with a transverse connecting rod between prerotation vane, scraping blade is connected with connecting rod by spring, and scraping blade top is provided with adjusting nut, described
Adjusting nut is arranged in the screw of support, rotates adjusting nut, the distance between regulation scraping blade and material trough.
3. as claimed in claim 2 3D printing equipment Sheng Ye mechanism, it is characterised in that: between described print platform and scraping blade in
70 ~ 150 ° of angles are arranged.
4. as claimed in claim 1 3D printing equipment Sheng Ye mechanism, it is characterised in that: the dianegative overlying of described material trough
It is stamped flexible film.
5. as claimed in claim 4 3D printing equipment Sheng Ye mechanism, it is characterised in that: described flexible film includes from the bottom up
The layer of silica gel being sequentially coated on base plate and Teflon film layer.
6. as claimed in claim 5 3D printing equipment Sheng Ye mechanism, it is characterised in that: described layer of silica gel thickness is 0.5 ~
1.5mm, described Teflon thicknesses of layers is 0.1 ~ 0.2mm.
7. as claimed in claim 1 3D printing equipment Sheng Ye mechanism, it is characterised in that: described logistics groove be circle.
8. as claimed in claim 1 3D printing equipment Sheng Ye mechanism, it is characterised in that: described driving assembly includes turntable shaft
Hold, bearing fixed seat and driving motor, described material trough is fixedly mounted on turntable bearing, and described bearing fixed seat fixedly mounts
On pedestal, described turntable bearing is connected with driving motor, and by driving the drive of motor, turntable bearing can be at bearing fixed seat
Upper freely rotatable, and then drive material trough to rotate on pedestal.
9. as claimed in claim 1 3D printing equipment Sheng Ye mechanism, it is characterised in that: described module is provided with a longitudinal silk
Thick stick, print platform is connected with leading screw, and leading screw is connected with spindle motor, drives screw turns by spindle motor, and then makes printing
Platform slides up and down on module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863666.9A CN106273506A (en) | 2016-09-29 | 2016-09-29 | 3D printing equipment Sheng Ye mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863666.9A CN106273506A (en) | 2016-09-29 | 2016-09-29 | 3D printing equipment Sheng Ye mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106273506A true CN106273506A (en) | 2017-01-04 |
Family
ID=57716521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610863666.9A Pending CN106273506A (en) | 2016-09-29 | 2016-09-29 | 3D printing equipment Sheng Ye mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106273506A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827512A (en) * | 2017-02-28 | 2017-06-13 | 浙江迅实科技有限公司 | Tiltedly pull out formula 3D printing device and Method of printing |
| CN106863776A (en) * | 2017-02-28 | 2017-06-20 | 浙江迅实科技有限公司 | Tiltedly pull out formula 3D printing device Sheng Ye mechanisms |
| CN109203461A (en) * | 2018-08-09 | 2019-01-15 | 西安铂力特增材技术股份有限公司 | A kind of uv equipment |
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| CN203899868U (en) * | 2014-02-25 | 2014-10-29 | 上海金大塑胶有限公司 | Coating instrument |
| CN104924621A (en) * | 2015-06-04 | 2015-09-23 | 西安交通大学 | Surface exposure forming device of high viscosity material |
| CN105946239A (en) * | 2016-06-28 | 2016-09-21 | 华南理工大学 | Digitization plane projection 3D forming device and method for high-viscosity photosensitive hybrid material |
| CN206287511U (en) * | 2016-09-29 | 2017-06-30 | 浙江迅实科技有限公司 | 3D printing device Sheng Ye mechanisms |
-
2016
- 2016-09-29 CN CN201610863666.9A patent/CN106273506A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203899868U (en) * | 2014-02-25 | 2014-10-29 | 上海金大塑胶有限公司 | Coating instrument |
| CN104924621A (en) * | 2015-06-04 | 2015-09-23 | 西安交通大学 | Surface exposure forming device of high viscosity material |
| CN105946239A (en) * | 2016-06-28 | 2016-09-21 | 华南理工大学 | Digitization plane projection 3D forming device and method for high-viscosity photosensitive hybrid material |
| CN206287511U (en) * | 2016-09-29 | 2017-06-30 | 浙江迅实科技有限公司 | 3D printing device Sheng Ye mechanisms |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827512A (en) * | 2017-02-28 | 2017-06-13 | 浙江迅实科技有限公司 | Tiltedly pull out formula 3D printing device and Method of printing |
| CN106863776A (en) * | 2017-02-28 | 2017-06-20 | 浙江迅实科技有限公司 | Tiltedly pull out formula 3D printing device Sheng Ye mechanisms |
| CN109203461A (en) * | 2018-08-09 | 2019-01-15 | 西安铂力特增材技术股份有限公司 | A kind of uv equipment |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |