CN206123874U - 3D printing device - Google Patents
3D printing device Download PDFInfo
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- CN206123874U CN206123874U CN201621091933.7U CN201621091933U CN206123874U CN 206123874 U CN206123874 U CN 206123874U CN 201621091933 U CN201621091933 U CN 201621091933U CN 206123874 U CN206123874 U CN 206123874U
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- printing
- printing device
- material trough
- print platform
- scraping blade
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Abstract
The utility model discloses a 3D printing device, including the base, set up exposure mechanism, control mechanism in the base to and set up the printing mechanism and flourishing liquid mechanism on the base, wherein, the printing mechanism includes module, the slidable mounting print platform on the module, flourishing liquid mechanism is including being used for holding the material groove of printing solution for drive material groove pivoted drive assembly, and be used for handling the scraper subassembly of printing solution, material tank bottom portion is transparent or subregion transparent bottom plate completely, and exposure mechanism's exposure mouth is corresponding with print platform, and the light of exposure solidification passes through transparent material tank bottom portion and penetrates print platform directly. 3D printing device, the printing solution of printable high viscosity has characteristics such as the print speed is fast, the precision is high, long service life, convenient operation.
Description
Technical field
This utility model is related to a kind of 3D printing device, belongs to printing device technical field.
Background technology
3D printing device, also known as three-dimensional printer, is that one kind adopts accumulation manufacturing technology（That is Rapid Prototyping technique）Machine
Device, its principle is that data and raw material are put in 3D printer, and machine is from level to level created product according to program.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, the surface of printing solution is difficult to accomplish smooth, so as to causing printing precision low or cannot printing.
In view of this, the present inventor is studied this, specially develops a kind of 3D printing device and Method of printing, this case
Thus produce.
Utility model content
The purpose of this utility model is to provide a kind of 3D printing device and Method of printing, can print high-viscosity printing molten
Liquid, 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：
A kind of 3D printing device, including pedestal, exposure mechanism, the controlling organization being arranged in pedestal, and it is arranged on base
Printing mechanism and Sheng Ye mechanisms on seat, wherein, the printing mechanism includes that module, the printing being slidably mounted on module are put down
Platform, the Sheng Ye mechanisms include 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, is exposed
The exposure mouth of light mechanism is corresponding with print platform, and the light of exposure curing is by transparent material trench bottom direct projection print platform.
Preferably, the doctor assemblies include support, scraping blade and actuator, the support is fixedly mounted on pedestal,
Scraping blade is located in material trough, and the actuator 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, is rotated and is adjusted spiral shell
The distance between mother, scalable scraping blade and material trough.
Preferably, arranging 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 being 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 logistics groove 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 rotate on pedestal.
Preferably, the controlling organization is using microprocessor control, controlling organization respectively with exposure mechanism, printing mechanism
It is connected with Sheng Ye mechanisms, for controlling the action of each mechanism.
Preferably, the module is provided with a longitudinal leadscrew, print platform is connected with leading screw, leading screw and spindle motor phase
Even, drive leading screw to rotate by spindle motor, and then print platform is slided up and down on module.
Preferably, the projector adopts DLP projector.
The Method of printing of above-mentioned 3D printing device, comprises the steps：
Step 1, controlling organization control exposure mechanism, printing mechanism, Sheng Ye mechanisms start working, and adjust scraping blade and material trough
Printing solution in material trough is spread to a smooth printable layer, printable layer by the spacing of bottom, material trough uniform rotation, scraping blade
Thickness is a cured layer.
Step 2, print platform drop to material trench bottom, and now, print platform lower surface is thin with material trough transparent soft
The spacing of film upper surface is the thickness that monolayer is printed, and material trough stops operating, and projector is thin by dianegative and transparent soft
Film to print platform projects projected image, the printing solution in drop shadow spread is solidified and is pasted onto on print platform, solidification knot
Shu Hou, print platform rises, and material trough is rotated further；
Step 3, print platform drop to again material trench bottom, after scraping blade will be printed in material trough rotation process
Region strikes off, and repeat step 2 carries out second layer printing, until print terminating.
As preferred：Material trough uniform rotation speed is 0.2 ~ 5 rev/min, and the material trough dead time is according to hardening time
It is fixed.
3D printing device described in the utility model can be used for the higher printing solution of viscosity, such as ceramic size.Print
During, material trough uniform rotation, scraper is rotated with material trough and uniformly strikes off printing solution, and can accurate adjustment by actuator
Scraper and material trough bottom spacing, it is ensured that each layer of cured thickness is uniformly accurate；In material trough rotation process, print platform can be more
Secondary rising, decline（Scraper can ensure that print platform down position has struck off）, print speed can be increased substantially.Print flat
Arrange in 70 ~ 150 ° of angles between platform and scraping blade, material trough can be made to be cured 360 degree of region random printing, prolongation material trough is saturating
The service life of bright flexible film.
This utility model is described in further detail below in conjunction with drawings and the specific embodiments.
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
As shown in figure 1, a kind of 3D printing device, including pedestal 1, the exposure mechanism 2, controlling organization being arranged in pedestal 1
3, and the printing mechanism 4 that is arranged on pedestal 1 and Sheng Ye mechanisms 5, wherein, the printing mechanism 4 includes module 41, peace of sliding
The print platform 42 being mounted on module 41, in the present embodiment, the print platform 42 is by being vertically set on module 41
Leading screw 43 is realized sliding up and down, and print platform 42 is connected with leading screw 43, and leading screw 43 is connected with spindle motor, is driven by spindle motor
Dynamic leading screw 43 is rotated, and then drives print platform 42 to move, and in print procedure, print platform 42 can free rise/fall.Institute
Controlling organization 3 is stated using microprocessor control, controlling organization 3 respectively with exposure mechanism 2, printing mechanism 3 and the phase of Sheng Ye mechanisms 4
Even, for controlling the action of each mechanism.The exposure mechanism 2 includes projector, and the projector adopts DLP projector, throws
The exposure mouth 21 of shadow instrument is corresponding with print platform 42.
The Sheng Ye mechanisms 5 include the roundel hopper 51 for holding printing solution, for driving material trough 51 to rotate
Drive component, and for processing the doctor assemblies 56 of printing solution.As shown in Fig. 2 the bottom of the material trough 51 is complete
The transparent base plate 511 in transparent or subregion, base plate 511 can adopt glass, plastics or other all-transparent materials.It is described
The uniform flexible film of a layer thickness is coated with base plate 511, the flexible film includes being sequentially coated on base plate from the bottom up
Layer of silica gel 512 and Teflon film layer 513 on 511, the present embodiment layer of silica gel 512 adopts PDMS film.Flexible film is by bilayer
Transparent material is composited, in the case where ensureing under high transmission rate, also with good elasticity and demoulding effect.The silica gel
512 thickness of layer are 0.5 ~ 1.5mm, and the thickness of Teflon film layer 513 is 0.1 ~ 0.2mm.The light of projector exposure curing passes through
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 adopts 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 rotate on pedestal 1.
As seen in figs. 5-6, the doctor assemblies 56 include support 561, scraping blade 562 and actuator, and the support 561 is fixed
On plate 11 above pedestal 1, scraping blade 562 is located in material trough 51, and the actuator includes being arranged on support lower surface
2 prerotation vanes 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
In 564, a transverse connecting rod 565 is provided between the prerotation vane 563, scraping blade 562 is connected by spring 567 with connecting rod 565,
The top of scraping blade 562 is provided with adjusting nut 566, and in the present embodiment, the adjusting nut 566 adopts micrometer.The regulation spiral shell
Female 566 upper ends are arranged in the screw of support, and scraping blade 562 is withstood in bottom, rotate adjusting nut 566, the height of scalable 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
Arrange, the angle of generally non-360 aliquot.So arrange, 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 steps：
Step 1, the control exposure mechanism 2 of controlling organization 3, printing mechanism 4, Sheng Ye mechanisms 5 start working, by adjusting nut
566 spacing for adjusting scraping blade 562 and 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 to 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 that monolayer is printed, and material trough 51 stops operating, projector by dianegative and
Transparent soft thin film to print platform 42 projects projected image, solidifies the printing solution in drop shadow spread and be pasted onto to print flat
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 again the bottom of material trough 51, 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 print terminating.
3D printing device described in the present embodiment can be used for the higher printing solution of viscosity, 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 strike off printing solution,
Ensure the flatness of cured layer, scraper 562 is simultaneously by its base of actuator 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 without departing from patent category of the present utility model.
Claims (10)
1. a kind of 3D printing device, it is characterised in that：Including pedestal, exposure mechanism, the controlling organization being arranged in pedestal, and
The printing mechanism being arranged on pedestal and Sheng Ye mechanisms, wherein, the printing mechanism includes module, is slidably mounted on module
Print platform, the Sheng Ye mechanisms include the material trough for holding printing solution, for the driving group for driving material trough to rotate
Part, and for processing the doctor assemblies of printing solution, the material trench bottom is fully transparent or subregion is transparent
Base plate, the exposure mouth of exposure mechanism is corresponding with print platform, and the light of exposure curing is beaten by transparent material trench bottom direct projection
Print platform.
2. a kind of 3D printing device as claimed in claim 1, it is characterised in that：The doctor assemblies include support, scraping blade and
Actuator, the support is fixedly mounted on pedestal, and scraping blade is located in material trough, and the actuator includes being arranged on support following table
2 prerotation vanes in face, the prerotation vane inner side is provided with longitudinal gathering sill, and scraping blade two ends are arranged in gathering sill, the guiding
A transverse connecting rod is provided between piece, scraping blade is connected by spring with connecting rod, scraping blade top is provided with adjusting nut, the regulation
Nut is arranged in the screw of support, rotates adjusting nut, adjusts the distance between scraping blade and material trough.
3. a kind of 3D printing device as claimed in claim 2, it is characterised in that：Between the print platform and scraping blade in 70 ~
150 ° of angles are arranged.
4. a kind of 3D printing device as claimed in claim 1, it is characterised in that：It is coated with the dianegative of the material trough
Flexible film.
5. a kind of 3D printing device as claimed in claim 4, it is characterised in that：The flexible film is included from the bottom up successively
The layer of silica gel being covered on base plate and Teflon film layer.
6. a kind of 3D printing device as claimed in claim 5, it is characterised in that：The layer of silica gel thickness be 0.5 ~ 1.5mm, institute
Teflon thicknesses of layers is stated for 0.1 ~ 0.2mm.
7. a kind of 3D printing device as claimed in claim 1, it is characterised in that：The logistics groove is circle.
8. a kind of 3D printing device as claimed in claim 1, it is characterised in that：The drive component includes turntable bearing, axle
Fixed seat and motor are held, the material trough is fixedly mounted on turntable bearing, and the bearing fixed seat is fixedly mounted on base
On seat, the turntable bearing is connected with motor, and by the drive of motor, turntable bearing can be on bearing fixed seat certainly
By rotating, and then material trough is driven to rotate on pedestal.
9. a kind of 3D printing device as claimed in claim 1, it is characterised in that：The controlling organization adopts microprocessor control
System, controlling organization is connected respectively with exposure mechanism, printing mechanism and Sheng Ye mechanisms, for controlling the action of each mechanism；It is described
Projector adopts DLP projector.
10. a kind of 3D printing device as claimed in claim 1, it is characterised in that：The module is provided with a longitudinal leadscrew, beats
Print platform is connected with leading screw, and leading screw is connected with spindle motor, drives leading screw to rotate by spindle motor, and then makes print platform exist
Slide up and down on module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621091933.7U CN206123874U (en) | 2016-09-29 | 2016-09-29 | 3D printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621091933.7U CN206123874U (en) | 2016-09-29 | 2016-09-29 | 3D printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206123874U true CN206123874U (en) | 2017-04-26 |
Family
ID=58571477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621091933.7U Active CN206123874U (en) | 2016-09-29 | 2016-09-29 | 3D printing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206123874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476114A (en) * | 2016-09-29 | 2017-03-08 | 浙江迅实科技有限公司 | A kind of 3D printing device and Method of printing |
-
2016
- 2016-09-29 CN CN201621091933.7U patent/CN206123874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476114A (en) * | 2016-09-29 | 2017-03-08 | 浙江迅实科技有限公司 | A kind of 3D printing device and Method of printing |
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