CN109795114A - Rotary more material photocuring 3D printing equipment - Google Patents
Rotary more material photocuring 3D printing equipment Download PDFInfo
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- CN109795114A CN109795114A CN201910156220.6A CN201910156220A CN109795114A CN 109795114 A CN109795114 A CN 109795114A CN 201910156220 A CN201910156220 A CN 201910156220A CN 109795114 A CN109795114 A CN 109795114A
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- photocuring
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- printing equipment
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- 239000000463 material Substances 0.000 title claims abstract description 117
- 238000010146 3D printing Methods 0.000 title claims abstract description 23
- 238000000016 photochemical curing Methods 0.000 title claims abstract description 22
- 238000007639 printing Methods 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims abstract description 13
- 230000003028 elevating effect Effects 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 239000012459 cleaning agent Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 239000011232 storage material Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 2
- 230000009514 concussion Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 5
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007605 air drying Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Abstract
The invention discloses rotary more material photocuring 3D printing equipment.It include: fuselage, rotary article carrying platform, circular ring shape material storage container and drying device；The upper backup pad of fuselage is fitted with drying device, center is equipped with circular ring shape material storage container, the elevating mechanism of objective table is housed in circular ring shape material storage container inner hole, the rotation axis of rotary article carrying platform is housed between upper backup pad and middle support plate center, UV projection light source and gear wheel are housed in rotation axis, motor is housed, the pinion gear on electric machine main shaft is meshed with gear wheel, fuselage surrounding guard seal in middle support plate.The present invention realizes the switching between multiple material by rotatable stage, realizes that the mixing photocuring 3D printing of multiple material, the mixing printing of heterogeneity material obtain composite construction；The concussion of the printed material occurred when mobile material storage container is effectively avoided, the waiting time is reduced, improves printing effect.The structure of annular arrangement is more compact, convenient for the miniaturization of printer.
Description
Technical field
The present invention relates to photocuring 3D printing equipment, more particularly to rotary more material photocuring 3D printing equipment.
Background technique
3D printing technique is a kind of increases material manufacturing technology, and the threedimensional model of object is carried out the profile that slice generates each layer
Then information is successively formed and is accumulated by 3D printing platform again, finally obtains the process of finished product.Wherein based on digital light processing
(DLP) the photocuring 3D printing technique of technology projects to sensitive liquid by ultraviolet optical projection device by every layer of topographical profiles
On polymer, layer-by-layer curing molding.It is slow-footed that this photocuring 3D printing technique not only solves traditional 3D printing technique
Problem, while higher printing precision is kept, therefore be widely applied.
But currently based on the 3D printer of DLP due to only one material pond, therefore it can only realize the printing of homogenous material,
The mixing printing that cannot achieve a variety of heterogeneity materials, also just cannot achieve exemplar colour print and soft or hard material
Mixing printing.Therefore, it is badly in need of a kind of more file printing equipment.The more material 3D printing equipment proposed at present are all made of mobile material pond
Mode realize the switchings of different materials, such mode causes printed material to shake when switching printed material, and when printing needs
To fluent material levelling, printing effect is reduced；The mode of mobile material pond can not accomplish compact-sized simultaneously.So herein proposing one
The 3D printing equipment of rotatable stage formula of the kind based on DLP technology.
Summary of the invention
The purpose of the present invention is to provide rotary more material photocuring 3D printing equipment, are realized by rotary carrier platform
Multiple material mixing printing.
In order to achieve the above object of the invention, the technical solution adopted by the present invention is that:
The present invention includes: fuselage, rotary article carrying platform, circular ring shape material storage container and drying device；Above the upper backup pad of fuselage
Equipped with drying device, center is equipped with circular ring shape material storage container, and the elevating mechanism of objective table is housed in circular ring shape material storage container inner hole,
The rotation axis of rotary article carrying platform is housed between upper backup pad and middle support plate center, UV projection light source is housed in rotation axis
And gear wheel, motor is housed, the pinion gear on electric machine main shaft is meshed with gear wheel, and fuselage surrounding is using baffle in middle support plate
Sealing.
The rotary article carrying platform, comprising: motor, pinion gear, gear wheel, lower bearing group, UV projection light source, upper axis
Hold group, rotation axis and connecting plate；Rotation axis is sequentially arranged with the connecting plate positioned at circular ring shape material storage container inner hole, upper bearing (metal) from top to bottom
Group, UV projection light source base, gear wheel and lower bearing group, pinion gear and gear wheel on electric machine main shaft constitute gear drive
It is secondary.
The elevating mechanism of the objective table, comprising: sliding block, objective table, Z axis straight line slide unit, Z axis motor and Z axis lead screw；Z
On the connecting plate of rotary article carrying platform, Z axis straight line slide unit upper surface is equipped with Z axis motor, Z axis for axis straight line slide unit lower end surface
The Z axis lead screw of electric machine main shaft passes through sliding block and is mounted on connecting plate, and objective table, objective table and UV projection are housed on slider suspension
Light source is co-axially mounted.
The circular ring shape material storage container is the fan-shaped multiple material pond cartridge-frame structures being evenly arranged, fan-shaped multiple material
Pond box is placed in respective material pond box framework, and multiple material pond box frameworks are high transparent glass plate.
The drying device is air drier.
The rotation axis is fixed by upper bearing (metal) group and lower bearing group, is guaranteed its axial restraint and can be circumferentially freely rotated,
Rotary motion is driven by the rotary drive motor of strap brake, guarantees that it is circumferentially locked when printing a certain material.
Fan-shaped multiple material pond boxes are to be no less than two material pond boxes and a no less than service sink box, wherein material
The liquid light-sensitive material of different property is housed in the box of pond, cleaning agent is housed in service sink box；Material pond cassette bottom portion is laid with
There is the dedicated release film of photocuring separated convenient for printout with material pond box.
The liquid light-sensitive material of different nature is the light-sensitive material that color is different or the mechaanical property of materials is different.
The invention has the benefit that
The present invention realizes the switching between multiple material by rotary carrier platform, realizes that the mixing photocuring 3D of multiple material is beaten
, it can be achieved that the mixing of heterogeneity material prints, the mixing that rigid resin and elastic resin such as can be achieved prints print, obtains compound
Structure.In addition, effectively preventing the concussion of the printed material occurred when mobile material storage container by the way of rotatable stage, subtracting
Few waiting time, improve printing effect.The structure of annular arrangement is more compact simultaneously, is conducive to the miniaturization of printer.
Detailed description of the invention
Fig. 1 is the 3-D view of structure of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is the face the A-A cross-sectional view of Fig. 2 of the present invention.
Fig. 4 is rotational structure schematic diagram of the invention.
Fig. 5 is printing flow chart of the invention.
In figure: 1, fuselage, the 2, first material pond box, 3, objective table, 4, sliding block, 5, Z axis motor, the 6, second material pond box, 7, dry
Dry device, 8, Z axis straight line slide unit, 9, service sink, 10, third material pond box, 11, upper backup pad, 12, lower supporting plate, 13, Z
Axial filament thick stick, 14, connecting plate, 15, rotation axis, 16, upper bearing (metal) group, 17, gear wheel, 18, lower bearing group, 19, ultraviolet throwing
Shadow light source, 20, pinion gear, 21, motor, 22, high transparent glass plate, 23, middle support plate.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention includes: fuselage 1, rotary article carrying platform, circular ring shape material storage container and drying
Device 7；The upper backup pad 11 of fuselage 1 is fitted with drying device 7, and center is equipped with circular ring shape material storage container, circular ring shape storing
The elevating mechanism of objective table 3 is housed in the inner hole of pond, is put down between 23 center of upper backup pad 11 and middle support plate equipped with rotary loading
The rotation axis 15 of platform is equipped with UV projection light source 19 and gear wheel 17 in rotation axis 15, motor 21, electricity is housed in middle support plate 23
Pinion gear 2 on 21 main shaft of machine is meshed with gear wheel 17, and 1 surrounding of fuselage uses guard seal, avoids pollution and improves use
Safety.
As shown in Figure 3, Figure 4, the rotary article carrying platform, comprising: motor 21, pinion gear 20, gear wheel 17, lower bearing
Group 18, UV projection light source 19, upper bearing (metal) group 16, rotation axis 15 and connecting plate 14；Rotation axis 15 is sequentially arranged with position from top to bottom
In the connecting plate 14 of circular ring shape material storage container inner hole, upper bearing (metal) group 16,19 pedestal of UV projection light source, gear wheel 17 and lower bearing group
18, pinion gear 20 and gear wheel 17 on 21 main shaft of motor constitute gear driving pair.Made using the transmission of 21 combination gear of motor whole
The free switching between different material storage containers is realized in the rotation of a article carrying platform.Angle can be used in upper bearing (metal) group 16 and lower bearing group 18
The mode that contact bearing or thrust bearing and roller bearing match.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the elevating mechanism of the objective table 3, comprising: sliding block 4, objective table 3, Z axis are straight
Line slide unit 8, Z axis motor 5 and Z axis lead screw 13；8 lower end surface of Z axis straight line slide unit is mounted on the connecting plate 14 of rotary article carrying platform,
8 upper surface of Z axis straight line slide unit is equipped with Z axis motor 5, and the Z axis lead screw 13 of 5 main shaft of Z axis motor passes through sliding block 4 and is mounted on connecting plate 14
On, objective table 3 is housed, objective table 3 and UV projection light source 19 are co-axially mounted, have no relative motion, protected with this on 4 cantilever of sliding block
Printing precision when card switching.Article carrying platform Z-direction fortune is realized using stepper motor cooperation straight line mould group on rotary article carrying platform
Dynamic, objective table is installed on sliding block, realizes Z-direction movement, furthermore objective table is designed to sector structure, with material storage container shape phase
Together, print space is maximized.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the circular ring shape material storage container is the fan-shaped multiple material pond box frames being evenly arranged
Frame structure, fan-shaped multiple material pond boxes are placed in respective material pond box framework, and multiple material pond box frameworks are high transparent glass
Plate 22.
As shown in Figure 1, the drying device 7 is air drier.
As shown in Figure 3, Figure 4, the rotation axis 15, it is fixed by upper bearing (metal) group 16 and lower bearing group 18, guarantee its axial direction
It fixes and can circumferentially be freely rotated, rotary motion is driven by the rotary drive motor 21 of strap brake, is printing a certain kind material
When guarantee its circumferentially lock.
As shown in Figure 1 and Figure 2, fan-shaped multiple material pond boxes are that no less than two material pond boxes and no less than one are clear
Wash pool box, wherein the liquid light-sensitive material of different property is housed, cleaning agent is housed in service sink, and (there are three material by Fig. 1 in material pond
Pond box, it may be assumed that the first material pond box 2, the second material pond box 6, third material pond box 10；One service sink box 9), for cleaning printout
The extra light-sensitive material of adhesion；Material pond cassette bottom portion be equipped with the photocuring separated with material pond box convenient for printout it is dedicated from
Type film.
The liquid light-sensitive material of different nature is the light-sensitive material that color is different or the mechaanical property of materials is different
Such as: the photosensitive resin of different colours；Rigidity or elastic photosensitive resin；It can also be photo-sensitive hydrogel material GelMA etc..
To prevent from polluting, it is equipped with seal closure outside printing device, is mounted on fuselage.Outlet is equipped with above seal closure
Mouthful, on the one hand convenient for toxic gas or the substance discharge generated in print procedure, air circulation when being on the one hand convenient for heated-air drying,
Balance internal pressure.
As shown in figure 5, being printing flow chart of the invention, system judges whether that printing is completed first, does not print completion such as
Judge whether printed material is material pond where objective table 3, if constant this of printed material continues lower layer's printing, as printed material is sent out
Changing, rotary drive motor 21 pass through the gear drive of gear wheel 17 and pinion gear 20, drive article carrying platform 3 and ultraviolet throwing
Shadow light source 19 rotates together to 9 top of service sink and locks its axially rotation, and subsequent Z-direction driving motor 5 is with about 2 dynamic object stage
Movement, completes the cleaning of printout, and the cleaning agent on surface is then dried up by drying device 7, realizes the cleaning and drying of printout
Process；It then rotates in the corresponding material pond of material to be printed, completes the printing of this layer of structure.So repeat above procedure until
Complete model printing.
In conclusion a kind of rotary more material photocuring 3D printing equipment proposed by the present invention, can be carried by rotation
The different printed material of object platform selecting realizes the mixing printing of different materials.It, should compared to the structure of existing mobile material pond
Device structure is compact, and reforming phenomena can occur to avoid the liquid printed material occurred when material pond is moved, and eliminates the waiting time,
Improve printing effect.The printing of colored structures or soft or hard composite construction may be implemented using equipment of the invention.
Claims (8)
1. rotary more material photocuring 3D printing equipment characterized by comprising fuselage (1), rotary article carrying platform, circle
Annular material storage container and drying device (7)；The upper backup pad (11) of fuselage (1) is fitted with drying device (7), and center is equipped with
Circular ring shape material storage container is equipped with the elevating mechanism of objective table (3), upper backup pad (11) and middle support plate in circular ring shape material storage container inner hole
(23) rotation axis (15) of rotary article carrying platform is housed between center, in rotation axis (15) equipped with UV projection light source (19) and
Gear wheel (17) is equipped with motor (21) on middle support plate (23), the pinion gear (2) and gear wheel (17) phase on motor (21) main shaft
Engagement, fuselage (1) surrounding use guard seal.
2. rotary more material photocuring 3D printing equipment according to claim 1, which is characterized in that the rotary load
Object platform, comprising: motor (21), pinion gear (20), gear wheel (17), lower bearing group (18), UV projection light source (19), upper axis
Hold group (16), rotation axis (15) and connecting plate (14)；Rotation axis (15) is sequentially arranged with from top to bottom in circular ring shape material storage container
Connecting plate (14), upper bearing (metal) group (16), UV projection light source (19) pedestal, gear wheel (17) and the lower bearing group (18) in hole, electricity
Pinion gear (20) and gear wheel (17) on machine (21) main shaft constitute gear driving pair.
3. rotary more material photocuring 3D printing equipment according to claim 1, which is characterized in that the objective table 3
Elevating mechanism, comprising: sliding block (4), objective table (3), Z axis straight line slide unit (8), Z axis motor (5) and Z axis lead screw (1) 3；Z axis
On the connecting plate (14) of rotary article carrying platform, Z axis straight line slide unit (8) upper surface is equipped with Z axis for straight line slide unit (8) lower end surface
Motor (5), the Z axis lead screw (13) of Z axis motor (5) main shaft pass through sliding block (4) and are mounted on connecting plate (14), sliding block (4) cantilever
Upper that objective table (3) are housed, objective table (3) and UV projection light source (19) are co-axially mounted.
4. rotary more material photocuring 3D printing equipment according to claim 1, which is characterized in that the circular ring shape storage
Material pond, is the fan-shaped multiple material pond cartridge-frame structures being evenly arranged, and fan-shaped multiple material pond boxes are placed on respective material pond
In box framework, multiple material pond box frameworks are high transparent glass plate (22).
5. rotary more material photocuring 3D printing equipment according to claim 1, which is characterized in that the drying device
It (7) is air drier.
6. rotary more material photocuring 3D printing equipment according to claim 2, which is characterized in that the rotation axis
(15), fixed by upper bearing (metal) group (16) and lower bearing group (18), guarantee its axial restraint and can circumferentially be freely rotated, rotation fortune
The dynamic rotary drive motor (21) by strap brake drives, and guarantees that it is circumferentially locked when printing a certain material.
7. rotary more material photocuring 3D printing equipment according to claim 4, which is characterized in that described fan-shaped
Multiple material pond boxes are to be no less than two material pond boxes and a no less than service sink box, wherein equipped with different property in material pond
Liquid light-sensitive material is equipped with cleaning agent in service sink；Material pond cassette bottom portion, which is equipped with, to be separated convenient for printout with material pond box
The dedicated release film of photocuring.
8. rotary more material photocuring 3D printing equipment according to claim 7, which is characterized in that the heterogeneity
Liquid light-sensitive material, be the light-sensitive material that color is different or the mechaanical property of materials is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156220.6A CN109795114A (en) | 2019-03-01 | 2019-03-01 | Rotary more material photocuring 3D printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156220.6A CN109795114A (en) | 2019-03-01 | 2019-03-01 | Rotary more material photocuring 3D printing equipment |
Publications (1)
| Publication Number | Publication Date |
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| CN109795114A true CN109795114A (en) | 2019-05-24 |
Family
ID=66562549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910156220.6A Pending CN109795114A (en) | 2019-03-01 | 2019-03-01 | Rotary more material photocuring 3D printing equipment |
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Cited By (7)
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| CN111421805A (en) * | 2020-02-29 | 2020-07-17 | 湖南大学 | Multi-shaft multi-material multi-light-source photocuring 3D rapid printing device and method capable of achieving synchronous printing |
| CN111531876A (en) * | 2020-02-29 | 2020-08-14 | 湖南大学 | Multi-axis photocuring 3D printing device and method capable of achieving mixed material use |
| WO2020177628A1 (en) * | 2019-03-06 | 2020-09-10 | 华南理工大学 | 3d printing mechanism |
| CN111923402A (en) * | 2020-09-16 | 2020-11-13 | 佛山科学技术学院 | Rigid-flexible coupling part mixed additive manufacturing method based on liquid gel environment |
| CN114347478A (en) * | 2022-01-20 | 2022-04-15 | 中国科学院空间应用工程与技术中心 | Cleaning device and method for multi-material 3D printing |
| CN114393830A (en) * | 2022-01-20 | 2022-04-26 | 中国科学院空间应用工程与技术中心 | Rotary driving printing device and method for multi-material 3D printing |
| CN114986879A (en) * | 2022-06-24 | 2022-09-02 | 张泽 | 3D printer and printing process thereof |
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| CN111923402A (en) * | 2020-09-16 | 2020-11-13 | 佛山科学技术学院 | Rigid-flexible coupling part mixed additive manufacturing method based on liquid gel environment |
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| CN114347478B (en) * | 2022-01-20 | 2024-05-28 | 中国科学院空间应用工程与技术中心 | Cleaning device and method for multi-material 3D printing |
| CN114986879A (en) * | 2022-06-24 | 2022-09-02 | 张泽 | 3D printer and printing process thereof |
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Address after: 310058 Yuhang Tang Road, Xihu District, Hangzhou, Zhejiang 866 Applicant after: ZHEJIANG University Applicant after: Honghe innovation and Technology Research Institute Co.,Ltd. Address before: 310058 Yuhang Tang Road, Xihu District, Hangzhou, Zhejiang 866 Applicant before: ZHEJIANG University Applicant before: HONGHE INNOVATION TECHNOLOGY Research Institute |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190524 |