CN108297400A - A kind of ultraviolet curing device and method of 3D printer - Google Patents
A kind of ultraviolet curing device and method of 3D printer Download PDFInfo
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- CN108297400A CN108297400A CN201810432592.2A CN201810432592A CN108297400A CN 108297400 A CN108297400 A CN 108297400A CN 201810432592 A CN201810432592 A CN 201810432592A CN 108297400 A CN108297400 A CN 108297400A
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- light
- sensitive material
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- nozzle
- gas
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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 invention discloses a kind of ultraviolet curing device of 3D printer and methods, including case type braced frame, braced frame inside bottom is provided with print platform, three axis mobile platforms are connected on the inner wall of braced frame, be connected with nozzle link block on three axis mobile platforms, the bottom of nozzle link block be connected with for print platform spraying liquid light-sensitive material liquid light-sensitive material nozzle, for the gas tip of blowing and for sending out ultraviolet light irradiating liquids light-sensitive material making its cured ultraviolet light generator between layers to liquid light-sensitive material.The present invention can reduce trace between layers to the full extent, improve External Shape effect.
Description
Technical field
The invention belongs to 3D printing technique fields, and in particular to a kind of ultraviolet curing device and method of 3D printer.
Background technology
3D printing is a kind of form of additive manufacturing technology, and three dimensional object is by continuous in additive manufacturing technology
Physical layer be created that come.3D printer has speed fast, price is just for other additive manufacturing technologies
Preferably, the advantages that high ease for use.3D printer " can exactly print " a kind of equipment for going out true 3D objects, functionally with laser
Forming technique is the same, is shaped using layering processing, superposition, i.e., generates 3D entities by successively increasing material, gone with previous
Except materials processing technology is entirely different.
The more mature technique of 3D printing at present is to use Stereo Lithography forming process SLA, and liquid light-sensitive material is made to cure,
SLA is earliest practical rapid prototyping technology, and using liquid photosensitive resin raw material, SLA technology forming speed is very fast, precision compared with
Height, but due to generating contraction in resin curing process, unavoidably will produce profit or causing deformation, it is therefore desirable to liquid at
Shape equipment carries out accurate control.
Invention content
In view of the shortcomings of the prior art and defect, the present invention provides a kind of ultraviolet curing devices of 3D printer
And method.The present invention can reduce trace between layers to the full extent, improve External Shape effect.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of ultraviolet curing device of 3D printer, including case type braced frame, braced frame inside bottom are set
It is equipped with print platform, three axis mobile platforms are connected on the inner wall of braced frame, nozzle connection is connected on three axis mobile platforms
The bottom of block, nozzle link block is connected with for the liquid light-sensitive material nozzle to print platform spraying liquid light-sensitive material, use
In to the liquid light-sensitive material gas tip of blowing and for sending out ultraviolet light irradiating liquids light-sensitive material between layers
Make its cured ultraviolet light generator.
Further, braced frame inside bottom, which is additionally provided with, connects liquid box.
Further, described connect is provided with for the mouth spray of cleaning liquid light-sensitive material nozzle on liquid box and for arranging
Go out the waste discharge mouth of cleaning liquid.
Further, the gas that the gas tip sprays is the gas for the hardening time that can increase or decrease light-sensitive material
Body, or for the gas or liquid of light-sensitive material solidification intensity can be improved.
Further, it is provided with exhaust system at the top of the braced frame.
A kind of UV curing method of 3D printer, nozzle link block is under the driving of three axis mobile platforms, according to setting
Good track is moved, and liquid light-sensitive material nozzle sprays liquid light-sensitive material on print platform, while ultraviolet light is sent out
Raw device sends out ultraviolet light, and liquid light-sensitive material is formed by curing required shape, and gas tip is while light-sensitive material cures
Gas is sprayed between each layer there, makes between layers excessive rounder and more smooth.
Further, braced frame inside bottom, which is additionally provided with, connects liquid box, connects and is provided with for cleaning liquid light on liquid box
The mouth spray of quick material nozzle and the waste discharge mouth for cleaning liquid to be discharged, before the start-up operation of 3D printing device, liquid light
Quick material nozzle sprays a small amount of liquid connecing first in liquid box, then connect liquid box and cleaned to liquid light-sensitive material nozzle, sprays
Liquid mouth sprays cleaning solution to liquid light-sensitive material nozzle, while waste discharge mouth siphons away waste liquid.
Further, it is provided with exhaust system at the top of braced frame, while spraying, photosensitive material will be influenced in device
Expect the gas discharge of hardening time.
Compared with prior art, the present invention has technique effect beneficial below：
Nozzle link block is moved under the driving of three axis mobile platforms according to the track set in the present invention.Liquid
Light-sensitive material nozzle sprays liquid light-sensitive material on the table, while ultraviolet light generator sends out ultraviolet light, and liquid is photosensitive
Material solidification forms required shape.Since the solidification of liquid light-sensitive material needs the time, trace is had between layers, is influenced
Accessory appearance, gas tip can spray gas between each layer there while light-sensitive material cures, can reduce to the full extent
Trace between layers improves External Shape effect.
Further, the type that in addition can select the gas of gas tip ejection, can accelerate or reduce as needed
The hardening time of light-sensitive material, to the control External Shape of higher precision.The present invention is solid with high-precision control light-sensitive material
The time of change reduces trace between layers, makes the feature that accessory appearance is more smooth.
Further, it is internally provided in 3D printing device and connects liquid box, liquid light-sensitive material nozzle is connecing first before hydrojet
A small amount of liquid is first sprayed in liquid box, preventing liquid light-sensitive material from placing liquid light-sensitive material spray outlet for a long time has condensation, shadow
Spraying effect is rung, liquid light-sensitive material nozzle can be cleaned by connecing liquid box.
Description of the drawings
Fig. 1 is liquid light-sensitive material nozzle cleaning schematic diagram；
Fig. 2 is gas tip operating diagram；
Fig. 3 is the overall structure diagram of the present invention；
Fig. 4 is the overall structure upward view of the present invention；
Fig. 5 is Fig. 4 partial enlarged views；
Fig. 6 is the complete machine appearance diagram of the present invention.
Wherein, 1. liquid light-sensitive material nozzles, 2. ultraviolet light generators, 3. gas tips, 4. nozzle link blocks, 5. supports
Frame, 6. 3 axis mobile platforms, 7. exhaust systems, 8. print platforms, 9. connect liquid box, A. mouth sprays, B. waste discharge mouths.
Specific implementation mode
Present invention is further described in detail below in conjunction with the accompanying drawings：
Referring to Fig. 1 to Fig. 6, a kind of new ultra-violet light curring unit of 3D printing device, by liquid light-sensitive material nozzle 1,
Ultraviolet light generator 2, gas tip 3, nozzle link block 4, braced frame 5, three axis mobile platforms 6, exhaust system 7, printing are flat
Platform 8 connects the composition of liquid box 9.Liquid light-sensitive material nozzle 1, ultraviolet light generator 2, gas tip 3 are mounted on nozzle link block 4,
Nozzle link block 4 is driven by three axis mobile platforms 6, may be implemented to be moved in three dimensions.Liquid light-sensitive material sprays
First 1 by liquid light-sensitive material, good path is sprayed on print platform 8 according to the rules, while spraying, ultraviolet light generator 2
It sends out ultraviolet light to be radiated on liquid light-sensitive material, light-sensitive material solidification.It is internally provided in 3D printing device and connects liquid box 9, liquid
Light-sensitive material nozzle 1 first sprays a small amount of liquid connecing before hydrojet, first in liquid box 9, prevent liquid light-sensitive material from putting for a long time
Setting the outlet of liquid light-sensitive material nozzle 1 has condensation, influences spraying effect, and it is clear with liquid light-sensitive material nozzle 1 to connect 9 inside of liquid box
Cleaning device ensures the cleanliness factor before liquid light-sensitive material nozzle 1 sprays every time, and while spraying, gas tip 3 is in liquid light
Quick material blowing between layers reduces connection trace between layers, improves appearance flatness, and gas tip 3 sprays
Gas can spray gas with various as needed, which can increase or decrease the hardening time of light-sensitive material, to high
The hardening time of precision controlling light-sensitive material.In addition raising light-sensitive material solidification, which can also be sprayed, the gas or liquid of intensity
Body improves the intensity of 3D parts, and while spraying, entire 3D printing device has exhaust system 7, will be influenced in device photosensitive
The gas of material solidification time is discharged, and reduces the cured influence on other light-sensitive materials.
Since the solidification of liquid light-sensitive material needs the time in 3D printing device, trace is had between layers, influences zero
Part appearance, the present invention can between each layer there be sprayed by the way that gas tip 3, gas tip 3 is arranged while light-sensitive material cures
Gas can reduce trace between layers to the full extent, improve External Shape effect.In addition gas tip can be selected
The type of the gas of ejection can accelerate or reduce the hardening time of light-sensitive material as needed, to the control of higher precision
External Shape.It is internally provided in 3D printing device and connects liquid box 9, liquid light-sensitive material nozzle is connecing in liquid box 9 first before hydrojet
A small amount of liquid is first sprayed, preventing liquid light-sensitive material from placing 1 outlet of liquid light-sensitive material nozzle for a long time has condensation, influences to spray
Effect.Liquid light-sensitive material nozzle 1 can be cleaned by connecing liquid box 9.
The present invention is described in detail with reference to embodiment：
A kind of ultraviolet curing device of 3D printing device, by liquid light-sensitive material nozzle 1, ultraviolet light generator 2, gas
Nozzle 3, nozzle link block 4, braced frame 5, three axis mobile platforms 6, exhaust system 7, print platform 8 connect the composition of liquid box 9.
Before the start-up operation of 3D printing device, liquid light-sensitive material nozzle 1 is connecing a small amount of liquid of ejection in liquid box 9 first,
Then liquid box 9 is connect to clean liquid light-sensitive material nozzle 1.As shown in Figure 1, being equipped with mouth spray A and waste discharge in liquid box 9 connecing
Mouth B, mouth spray A spray cleaning solution to liquid light-sensitive material nozzle 1, while waste discharge mouth B siphons away waste liquid, and whole process does not have liquid
Body spilling connects liquid box 9.
Equipped with liquid light-sensitive material nozzle 1, ultraviolet light generator 2, gas tip 3 on nozzle link block 4.Nozzle link block
4 under the driving of three axis mobile platforms 6, are moved according to the track set.Liquid light-sensitive material nozzle 1 is by the photosensitive material of liquid
Material sprays on print platform 8, while ultraviolet light generator 2 sends out ultraviolet light, and liquid light-sensitive material is formed by curing required
Shape.Since the solidification of liquid light-sensitive material needs the time, to have trace between layers, accessory appearance, 3 meeting of gas tip are influenced
Gas is sprayed between each layer there while light-sensitive material cures, which can play the role of appearance shaping, can be by layer
It is excessive rounder and more smooth between layer, as shown in Figure 2.
The type that can select the gas of the ejection of gas tip 3 simultaneously, can accelerate or reduce light-sensitive material as needed
Hardening time, to higher precision control External Shape.While spraying, entire 3D printing device has exhaust system
7, the gas that light-sensitive material hardening time is influenced in device is discharged, the cured influence on other light-sensitive materials is reduced.
After the completion of entire print job, the return of liquid light-sensitive material nozzle 1 connects liquid box 9, connects liquid box 9 to the photosensitive material of liquid
Material nozzle 1 is cleaned, to complete entire workflow.
Claims (8)
1. a kind of ultraviolet curing device of 3D printer, which is characterized in that including case type braced frame (5), support frame
Frame (5) inside bottom is provided with print platform (8), and three axis mobile platforms (6), three axis are connected on the inner wall of braced frame (5)
Nozzle link block (4) is connected on mobile platform (6), the bottom of nozzle link block (4) is connected with for being sprayed to print platform (8)
The liquid light-sensitive material nozzle (1) of coating liquid light-sensitive material, for the gas to liquid light-sensitive material blowing between layers
Nozzle (3) and make its cured ultraviolet light generator (2) for sending out ultraviolet light irradiating liquids light-sensitive material.
2. a kind of ultraviolet curing device of 3D printer according to claim 1, which is characterized in that braced frame (5)
Inside bottom, which is additionally provided with, connects liquid box (9).
3. a kind of ultraviolet curing device of 3D printer according to claim 2, which is characterized in that described to connect liquid box
(9) it is provided on for the mouth spray (A) of cleaning liquid light-sensitive material nozzle (1) and the waste discharge mouth for cleaning liquid to be discharged
(B)。
4. a kind of ultraviolet curing device of 3D printer according to claim 1, which is characterized in that the gas tip
(3) gas sprayed is the gas for the hardening time that can increase or decrease light-sensitive material, or for that can improve light-sensitive material
The gas or liquid of solidification intensity.
5. a kind of ultraviolet curing device of 3D printer according to claim 1, which is characterized in that the braced frame
(5) exhaust system (7) is provided at the top of.
6. a kind of curing of ultraviolet curing device using 3D printer described in claim 1, which is characterized in that spray
Head link block (4) is moved, liquid light-sensitive material nozzle under the driving of three axis mobile platforms (6) according to the track set
(1) liquid light-sensitive material is sprayed on print platform (8), while ultraviolet light generator (2) sends out ultraviolet light, the photosensitive material of liquid
Material is formed by curing required shape, and gas tip (3) sprays gas while light-sensitive material cures, makes layer between each layer there
It is excessive rounder and more smooth between layer.
7. the UV curing method of 3D printer according to claim 6, which is characterized in that on the inside of braced frame (5)
Bottom, which is additionally provided with, connects liquid box (9), connects the mouth spray (A) being provided on liquid box (9) for cleaning liquid light-sensitive material nozzle (1)
And the waste discharge mouth (B) for cleaning liquid to be discharged, before the start-up operation of 3D printing device, liquid light-sensitive material nozzle (1) is first
The a small amount of liquid of ejection in liquid box (9) first is being connect, liquid box (9) is then being connect and liquid light-sensitive material nozzle (1) is cleaned, mouth spray
(A) cleaning solution is sprayed to liquid light-sensitive material nozzle (1), while waste discharge mouth (B) siphons away waste liquid.
8. the UV curing method of 3D printer according to claim 6, which is characterized in that the top of braced frame (5)
Portion is provided with exhaust system (7), and while spraying, the gas that light-sensitive material hardening time is influenced in device is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432592.2A CN108297400A (en) | 2018-05-08 | 2018-05-08 | A kind of ultraviolet curing device and method of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432592.2A CN108297400A (en) | 2018-05-08 | 2018-05-08 | A kind of ultraviolet curing device and method of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108297400A true CN108297400A (en) | 2018-07-20 |
Family
ID=62846459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810432592.2A Pending CN108297400A (en) | 2018-05-08 | 2018-05-08 | A kind of ultraviolet curing device and method of 3D printer |
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| Country | Link |
|---|---|
| CN (1) | CN108297400A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204273116U (en) * | 2014-10-09 | 2015-04-22 | 珠海天威飞马打印耗材有限公司 | 3 D-printing servicing unit and 3 D-printing system |
| CN105014972A (en) * | 2015-08-03 | 2015-11-04 | 朱沫 | Catalytic curing type 3D printing technology and printer |
| CN105234101A (en) * | 2015-11-03 | 2016-01-13 | 南京师范大学 | Washing device and method for three-dimensional printer head |
| CN106513355A (en) * | 2015-09-09 | 2017-03-22 | 沈阳芯源微电子设备有限公司 | Nozzle washing device and nozzle washing method |
| US20170129175A1 (en) * | 2015-10-02 | 2017-05-11 | NEXA3D Inc. | Method and apparatus for photo-curing with displaceable self-lubricating substratum for the formation of three-dimensional objects |
-
2018
- 2018-05-08 CN CN201810432592.2A patent/CN108297400A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204273116U (en) * | 2014-10-09 | 2015-04-22 | 珠海天威飞马打印耗材有限公司 | 3 D-printing servicing unit and 3 D-printing system |
| CN105014972A (en) * | 2015-08-03 | 2015-11-04 | 朱沫 | Catalytic curing type 3D printing technology and printer |
| CN106513355A (en) * | 2015-09-09 | 2017-03-22 | 沈阳芯源微电子设备有限公司 | Nozzle washing device and nozzle washing method |
| US20170129175A1 (en) * | 2015-10-02 | 2017-05-11 | NEXA3D Inc. | Method and apparatus for photo-curing with displaceable self-lubricating substratum for the formation of three-dimensional objects |
| CN105234101A (en) * | 2015-11-03 | 2016-01-13 | 南京师范大学 | Washing device and method for three-dimensional printer head |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180720 |