CN206287511U - 3D printing device Sheng Ye mechanisms - Google Patents
3D printing device Sheng Ye mechanisms Download PDFInfo
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- CN206287511U CN206287511U CN201621094277.6U CN201621094277U CN206287511U CN 206287511 U CN206287511 U CN 206287511U CN 201621094277 U CN201621094277 U CN 201621094277U CN 206287511 U CN206287511 U CN 206287511U
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Abstract
The utility model discloses a kind of 3D printing device Sheng Ye mechanisms, including the material trough for holding printing solution, for the drive component for driving material trough to rotate, and for processing the doctor assemblies of printing solution, the material trench bottom is fully transparent or the transparent base plate in subregion, and the light of 3D printing device exposure mechanism exposure curing is by transparent material trench bottom direct projection print platform.3D printing device Sheng Ye mechanisms described in the utility model, it is ensured that the planarization on high viscosity printing solution surface, with print speed is fast, high precision, long service life, it is easy to operate the features such as.
Description
Technical field
The utility model is related to a kind of 3D printing device Sheng Ye mechanisms, belongs to printing device technical field.
Background technology
3D printing device, also known as three-dimensional printer, is that one kind uses accumulation manufacturing technology（That is RP technique）Machine
Device, its principle is that machine is from level to level created product according to program during data and raw material are put into 3D printer.At present,
Conventional 3D printing device can only print the relatively low resin solution of viscosity in print procedure, all, when printing solution viscosity compared with
Gao Shi, common Sheng Ye mechanisms it is difficult to ensure that the flatness on printing solution surface, so as to cause printing precision low or cannot beat
Print.
In view of this, the present inventor is studied this, specially develops a kind of 3D printing device Sheng Ye mechanisms, this case by
This is produced.
Utility model content
The purpose of this utility model is to provide a kind of 3D printing device Sheng Ye mechanisms, it is ensured that high viscosity printing solution surface
Planarization, with print speed is fast, high precision, long service life, it is easy to operate the features such as.
To achieve these goals, solution of the present utility model is：
3D printing device Sheng Ye mechanisms, including for holding the material trough of printing solution, for driving what material trough was rotated
Drive component, and for processing the doctor assemblies of printing solution, the material trench bottom is fully transparent or subregion
Transparent base plate, the light of 3D printing device exposure mechanism exposure curing is by transparent material trench bottom direct projection print platform.
Preferably, the doctor assemblies include support, scraping blade and adjuster, the support is fixedly mounted on pedestal,
Scraping blade is located in material trough, and the adjuster includes being arranged on 2 prerotation vanes of support lower surface, and the prerotation vane inner side is provided with
The gathering sill of longitudinal direction, scraping blade two ends are arranged in gathering sill, and a transverse connecting rod is provided between the prerotation vane, and scraping blade passes through bullet
Spring is connected with connecting rod, and scraping blade top is provided with adjusting nut, and the adjusting nut is arranged in the screw of support, rotates regulation spiral shell
Mother, can adjust the distance between scraping blade and material trough.
Preferably, being set in 70 ~ 150 ° of angles between the print platform and scraping blade.
Preferably, being coated with flexible film on the dianegative of the material trough.
Preferably, the flexible film includes the layer of silica gel and Teflon film that are sequentially coated on from the bottom up on base plate
Layer.Flexible film is composited by double transparent material, in the case where ensureing under high transmission rate, also with good elasticity and
Demoulding effect.
Preferably, the layer of silica gel thickness is 0.5 ~ 1.5mm, the Teflon thicknesses of layers is 0.1 ~ 0.2mm.
Preferably, the material trough is circle.
Preferably, the drive component includes turntable bearing, bearing fixed seat and motor, the material trough is fixed
On turntable bearing, the bearing fixed seat is fixedly mounted on pedestal, and the turntable bearing is connected with motor, is led to
Overdrive the drive of motor, turntable bearing can freely be rotated on bearing fixed seat, and then drive material trough to be rotated on pedestal.
Above-mentioned 3D printing device contains liquid mechanical work principle：The controlling organization control exposure mechanism of 3D printing device, printing
Mechanism, Sheng Ye mechanisms start working, the spacing of regulation scraping blade and material trench bottom, material trough uniform rotation, and scraping blade is by material trough
Interior printing solution 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 of individual layer printing, material with the spacing of material trough transparent soft thin film upper surface
Groove stops operating, and projecting apparatus projects projected image by dianegative and transparent soft thin film to print platform, makes drop shadow spread
Interior printing solution solidifies 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 material trench bottom again, and scraping blade strikes off the region after being printed in material trough rotation process, in repetition
Stating step carries out second layer printing, until printing terminates.Material trough uniform rotation speed is 0.2 ~ 5 rev/min, when material trough pauses
Between according to hardening time depending on.
3D printing device Sheng Ye mechanisms described in the utility model can make 3D printing device realize viscosity higher printing solution
Printing（Such as ceramic size）.In print procedure, material trough uniform rotation, scraper rotates uniform striking off and prints molten with material trough
Liquid, and can accurate adjustment scraper and material trough bottom spacing by adjuster, it is ensured that each layer of cured thickness is uniformly accurate；In material
In groove rotation process, print platform can repeatedly rise, decline（Scraper can ensure that print platform down position has struck off）, can
Increase substantially print speed.Set in 70 ~ 150 ° of angles between print platform and scraping blade, material trough can be made to be cured region
360 degree of random printings, extend the service life of material trough transparent soft thin film.
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Brief description of the drawings
Fig. 1 is the 3D printing device three-dimensional structure diagram of the present embodiment；
Fig. 2 is the material trough sectional view of the present embodiment；
Fig. 3 is the drive component and 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.
Specific embodiment
3D printing device Sheng Ye mechanisms described in the present embodiment are applied in 3D printing device, realize the 3D of high viscosity solution
Printing.As shown in figure 1, a kind of 3D printing device, including pedestal 1, exposure mechanism 2, controlling organization 3 in pedestal 1 are arranged on, with
And the printing mechanism 4 on pedestal 1 and Sheng Ye mechanisms 5 are arranged on, wherein, the printing mechanism 4 includes module 41, is slidably mounted on
Print platform 42 on module 41, in the present embodiment, the print platform 42 is by the leading screw that is vertically set 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, and silk is driven by spindle motor
Thick stick 43 is rotated, and then drives print platform 42 to move, and in print procedure, print platform 42 can free rise/fall.The control
Mechanism processed 3 is controlled using microprocessor, and controlling organization 3 is connected with exposure mechanism 2, printing mechanism 3 and Sheng Ye mechanisms 4 respectively, is used
In the action for controlling each mechanism.The exposure mechanism 2 includes projecting apparatus, and the projecting apparatus uses DLP projector, projecting apparatus
Exposure mouth 21 is corresponding with print platform 42.
The 3D printing device Sheng Ye mechanisms 5 include the roundel hopper 51 for holding printing solution, for driving thing
The drive component that hopper 51 is rotated, and for processing the doctor assemblies 56 of printing solution.As shown in Fig. 2 the material trough 51
Bottom is fully transparent or the transparent base plate 511 in subregion, and base plate 511 can use glass, plastics or other full impregnateds
Bright material.The uniform flexible film of a layer thickness is coated with the base plate 511, the flexible film is included from the bottom up successively
Layer of silica gel 512 and Teflon film layer 513 on base plate 511 are covered in, the present embodiment layer of silica gel 512 uses PDMS film.It is soft
Film is composited by double transparent material, in the case where ensureing under high transmission rate, also with good elasticity and demoulding effect
Really.The thickness of the layer of silica gel 512 is 0.5 ~ 1.5mm, and the thickness of Teflon film layer 513 is 0.1 ~ 0.2mm.Projecting apparatus exposure is solid
The light of change is by the transparent bottom direct projection print platform 42 of material trough 51.
As shown in Figure 3-4, the drive component includes turntable bearing 52, bearing fixed seat 53 and motor 54, described
Material trough 51 is fixedly mounted on turntable bearing 52, and the bearing fixed seat 53 is fixedly mounted on pedestal 1 by rotary base 55
Above on plate 11, the motor 54 uses the inner ring of gear motor, 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 in bearing fixed seat 53
It is upper freely to rotate, and then drive material trough 51 to be rotated on pedestal 1.
The doctor assemblies 56 include support 561, scraping blade 562 and adjuster, and the support 561 is fixed by contiguous block and pacified
On plate 11 above pedestal 1, scraping blade 562 is located in material trough 51, and the adjuster includes being arranged on the 2 of support lower surface
Individual prerotation vane 563, the inner side of the prerotation vane 563 is provided with longitudinal gathering sill 564, and the two ends of scraping blade 562 are arranged on gathering sill 564
It is interior, a transverse connecting rod 565 is provided between the prerotation vane 563, scraping blade 562 is connected with connecting rod 565 by spring 567, scraped
The top of piece 562 is provided with adjusting nut 566, and in the present embodiment, the adjusting nut 566 uses micrometer.The adjusting nut
566 upper ends are arranged in the screw of support, and scraping blade 562 is withstood in bottom, rotate adjusting nut 566, can adjust the height of scraping blade 562
Degree, and then adjust the distance between scraping blade 562 and material trough 51.It is in 70 ~ 150 ° of angles between the print platform 42 and scraping blade 562
Set, the angle of generally non-360 aliquot.So set, material trough 51 can be made to be cured 360 degree of region random printing,
Extend the service life of the transparent soft thin film of material trough 51.
The Method of printing of above-mentioned 3D printing device, comprises the following steps：
Step 1, the control of controlling organization 3 exposure mechanism 2, printing mechanism 4, Sheng Ye mechanisms 5 start working, by adjusting nut
566 regulation scraping blades 562 and the spacing of the bottom transparent soft thin film upper surface of material trough 51, the uniform rotation of material trough 51, scraping blade 562
Printing solution in material trough 51 is spread into a smooth printable layer, printable layer thickness is a cured layer；
Step 2, print platform 42 drop to the bottom of material trough 51, and now, the lower surface of print platform 42 is saturating with material trough 51
The spacing of bright flexible film upper surface is the thickness of individual layer printing, and material trough 51 stops operating, projecting apparatus by dianegative and
Transparent soft thin film projects projected image to print platform 42, the printing solution in drop shadow spread is solidified and is pasted onto printing and puts down
On platform 42, after solidification terminates, print platform 42 rises, and material trough is rotated further, and the uniform rotation speed of material trough 51 is generally 0.2
~ 5 revs/min, depending on the dead time of material trough 51 is according to hardening time, generally 0.5 ~ 10 second；
Step 3, print platform 42 drop to the bottom of material trough 51 again, and scraping blade 562 will be by material trough rotation process
Region after printing strikes off, and repeat step 2 carries out second layer printing, until printing terminates.
3D printing device described in the present embodiment can be used for viscosity printing solution higher, such as ceramic size, can print
Ceramic 3D articles.In print procedure, the uniform rotation of material trough 51, scraper 562 is rotated with material trough 51 and uniformly strikes off printing solution,
Ensure the flatness of cured layer, scraper 562 is simultaneously by its base of adjuster accurate adjustment and the spacing at the bottom of material trough 51, it is ensured that
Each layer of cured thickness is uniformly accurate；In the rotation process of material trough 51, print platform 42 can repeatedly rise, decline（Scraper can
To ensure that print platform down position has struck off）, print speed can be increased substantially.
Above-described embodiment and schema and non-limiting product form of the present utility model and style, any art
Appropriate change or modification that those of ordinary skill is done to it, all should be regarded as not departing from patent category of the present utility model.
Claims (8)
1.3D printing equipment Sheng Ye mechanisms, it is characterised in that：Including the material trough for holding printing solution, for driving material
The drive component that groove is rotated, and for processing the doctor assemblies of printing solution, the material trench bottom for fully transparent or
The transparent base plate in subregion, the light of 3D printing device exposure mechanism exposure curing is printed by transparent material trench bottom direct projection
Platform.
2. 3D printing device Sheng Ye mechanisms as claimed in claim 1, it is characterised in that：The doctor assemblies include support, scrape
Piece and adjuster, the support are fixedly mounted on pedestal, and scraping blade is located in material trough, and the adjuster includes being arranged on support
2 prerotation vanes of lower surface, the prerotation vane inner side is provided with longitudinal gathering sill, and scraping blade two ends are arranged in gathering sill, described
A transverse connecting rod is provided between prerotation vane, scraping blade is connected by spring with connecting rod, 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. 3D printing device Sheng Ye mechanisms as claimed in claim 2, it is characterised in that：It is between the print platform and scraping blade
70 ~ 150 ° of angles are set.
4. 3D printing device Sheng Ye mechanisms as claimed in claim 1, it is characterised in that：The dianegative overlying of the material trough
It is stamped flexible film.
5. 3D printing device Sheng Ye mechanisms as claimed in claim 4, it is characterised in that：The flexible film is included from the bottom up
The layer of silica gel and Teflon film layer being sequentially coated on base plate.
6. 3D printing device Sheng Ye mechanisms as claimed in claim 5, it is characterised in that：The layer of silica gel thickness be 0.5 ~
1.5mm, the Teflon thicknesses of layers is 0.1 ~ 0.2mm.
7. 3D printing device Sheng Ye mechanisms as claimed in claim 1, it is characterised in that：The material trough is circle.
8. 3D printing device Sheng Ye mechanisms as claimed in claim 1, it is characterised in that：The drive component includes turntable shaft
Hold, bearing fixed seat and motor, the material trough is fixedly mounted on turntable bearing, the bearing fixed seat fixed installation
On pedestal, the turntable bearing is connected with motor, and by the drive of motor, turntable bearing can be in bearing fixed seat
It is upper freely to rotate, and then drive material trough to be rotated on pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621094277.6U CN206287511U (en) | 2016-09-29 | 2016-09-29 | 3D printing device Sheng Ye mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621094277.6U CN206287511U (en) | 2016-09-29 | 2016-09-29 | 3D printing device Sheng Ye mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206287511U true CN206287511U (en) | 2017-06-30 |
Family
ID=59095820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621094277.6U Active CN206287511U (en) | 2016-09-29 | 2016-09-29 | 3D printing device Sheng Ye mechanisms |
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| CN (1) | CN206287511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273506A (en) * | 2016-09-29 | 2017-01-04 | 浙江迅实科技有限公司 | 3D printing equipment Sheng Ye mechanism |
| CN111136912A (en) * | 2020-01-02 | 2020-05-12 | 大族激光科技产业集团股份有限公司 | 3D printing quantitative feeding device, 3D printer and printing method |
-
2016
- 2016-09-29 CN CN201621094277.6U patent/CN206287511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273506A (en) * | 2016-09-29 | 2017-01-04 | 浙江迅实科技有限公司 | 3D printing equipment Sheng Ye mechanism |
| CN111136912A (en) * | 2020-01-02 | 2020-05-12 | 大族激光科技产业集团股份有限公司 | 3D printing quantitative feeding device, 3D printer and printing method |
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