CN108215152A - A kind of light-source system of visible-light curing 3D printing - Google Patents
A kind of light-source system of visible-light curing 3D printing Download PDFInfo
- Publication number
- CN108215152A CN108215152A CN201711131952.7A CN201711131952A CN108215152A CN 108215152 A CN108215152 A CN 108215152A CN 201711131952 A CN201711131952 A CN 201711131952A CN 108215152 A CN108215152 A CN 108215152A
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- Prior art keywords
- light
- light source
- lens
- printing
- visible
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- 238000010146 3D printing Methods 0.000 title claims abstract description 27
- 239000000126 substance Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 abstract description 28
- 238000000034 method Methods 0.000 abstract description 10
- 238000007639 printing Methods 0.000 abstract description 9
- 239000011347 resin Substances 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 abstract description 6
- 238000001723 curing Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 3
- 238000000016 photochemical curing Methods 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
Abstract
The present invention provides a kind of light-source systems of visible-light curing 3D printing, belong to 3D printing technique field.The light source that it solves existing light-source system can not cure the technical problems such as the material of different characteristics.3D printer includes print head, the bottom of print head has nozzle, this light-source system includes light source adjusting mechanism and motion platform, motion platform is equipped with several light source emitters, light source adjusting mechanism includes fixed seat, several fixed lens and several relay lens, fixed seating is in the lower section of operation platform, each fixed lens are located at the lower section of corresponding light source emitter respectively, each relay lens is oppositely arranged with corresponding fixed lens, each fixed lens are each attached in fixed seat and are located remotely from the side of nozzle, each relay lens is arranged in fixed seat and positioned at close to the side of nozzle.This light-source system has multiple light sources transmitter, can cure the resin material of different characteristics material simultaneously, realizes the mixing printing of same layer different characteristics material.
Description
Technical field
The invention belongs to 3D printing technique fields, are related to a kind of light-source system of visible-light curing 3D printing.
Background technology
Photocuring 3D printing technique in forming process, using nozzle sprayed resin material, utilizes visible ray illumination immediately
Curing, successively stack shaping, finally obtains three-dimensional entity model, and the 3D printing technique of the type by injection molding and is light-cured into
Type technology combines, and improves shaping efficiency.But during photocuring 3D printing, the structure type of light source is most important, is
Determine whether successful or print quality the key factor of printing.
The light source of existing photocuring 3D printing technique all two kinds of forms, one of which are using DLP technologies, using DLP
The laser of entire surface is focused on photosensitive resin liquid surface cure by shadow casting technique, and another kind is to follow printing using ultraviolet light
Head carries out the curing molding of material.
Wherein, the light source shaping efficiency of DLP technologies is high, but the material of different colours cannot be printed in same layer, there is one
Fixed limitation；It is fixed together using by print head, print head completes printing according to the information movement of profile, in this way
Print form material can be controlled to use the materials of different colours in same layer, but existing light-source system is using single
Light source emitter, curing efficiency is low, and needing, which increases light application time, enhances solidification effect, and cannot cure different spies simultaneously
The material of property, because the material of different characteristics needs the light source of different wave length to be cured.If area source can be improved into
Type efficiency, but can not realize the demand of colour print.
The above-mentioned prior art has as a drawback that：Only there are one light source emitters for source illumination system, and intensity of illumination is low, into
Type is inefficient；Light source can not cure the material of different characteristics；Material solidification process is slow, it is impossible to adapt at a high speed or ultrahigh speed prints
Speed (material needs to realize curing for a long time).
Invention content
The present invention provides a kind of light source system of visible-light curing 3D printing for the above problem existing for existing technology
System, the light-source system may be used the light source of different wave length, can cure the material of different characteristics.
The purpose of the present invention can be realized by following technical proposal：
A kind of light-source system of visible-light curing 3D printing, 3D printer include print head, and the bottom of print head has spray
Mouth, which is characterized in that the light-source system includes light source adjusting mechanism and the motion platform being fixed in the middle part of the print head, institute
Motion platform is stated equipped with several light source emitters, if the light source adjusting mechanism includes fixed seat moving up and down, solid
Fix-focus lens and several relay lens, the fixed seating are located at corresponding light respectively in the lower section of operation platform, each fixed lens
The lower section of source transmitter, each relay lens are oppositely arranged with corresponding fixed lens, and each fixed lens are each attached to the fixation
On seat and the side of nozzle is located remotely from, each relay lens is arranged in fixed seat and positioned at close to the side of nozzle.
Its operation principle is：This light-source system has several light source emitters, the light process pair of each light source emitter transmitting
It after the reflection of fixation lens answered, is reflected on the relay lens being oppositely arranged, light all later converges to the lower section of nozzle
Hot spot is formed, after nozzle sprays material, the hot spot of convergence is with i.e. by material solidification.Relay lens can adjust light by rotation
Path, and adjust the size and location of hot spot.In print procedure, motion platform is connect with printer, motion platform according to
The profile printed is needed, is moved under driving mechanism driving.The fixed seat of light source adjusting mechanism can move up and down to adjust
The size of whole hot spot and the position of hot spot.
In a kind of light-source system of above-mentioned visible-light curing 3D printing, the light source adjusting mechanism further includes several shiftings
Dynamic lens, each mobile lens are slidably connected in the fixed seat and are located at the fixation lens and relay lens being oppositely arranged respectively
Between.In the structure, the light of each light source emitter transmitting is after the reflection of corresponding fixed lens, by mobile lens, then
It is reflected on the relay lens being oppositely arranged, mobile lens can adjust the path of light, and adjust the size of hot spot by movement
And position.
In a kind of light-source system of above-mentioned visible-light curing 3D printing, the motion platform is horizontally disposed with, each light source
Transmitter is cylindrical and is vertically arranged with motion platform.
In a kind of light-source system of above-mentioned visible-light curing 3D printing, the fixed seat is horizontally disposed with, and each fixation is saturating
Mirror is obliquely installed, and each mobile lens are perpendicular with the fixed seat.
In a kind of light-source system of above-mentioned visible-light curing 3D printing, the print head is located at the middle part of motion platform
And the two is vertically arranged, each light source emitter is uniformly distributed along the circumferential direction of the print head.Structure arrangement is more reasonable, respectively
Light source emitter can launch light from the surrounding of print head.
In a kind of light-source system of above-mentioned visible-light curing 3D printing, simple substance light used in each light source emitter
Wavelength is identical.Each light source emitter can select the simple substance light of same wavelength as needed, when several light source emitters simultaneously
Using same wavelength simple substance light when, can enhance convergence hot spot intensity, material is made to cure rapidly, improve printing effect.
In a kind of light-source system of above-mentioned visible-light curing 3D printing, simple substance light used in each light source emitter
Wavelength is different.Each light source emitter can also respectively select the simple substance light of different wave length, when several light source emitters use
During the simple substance light of different wave length, the resin material of dissimilar material properties can be cured simultaneously.
In a kind of light-source system of above-mentioned visible-light curing 3D printing, the work(of light source used in each light source emitter
Rate is different.The power of light source is divided into size, and the irradiated area bigger of high power light source can be used as outer profile,
The irradiated area of low-power light source is smaller, can be used as Internal periphery.
Compared with prior art, advantages of the present invention is as follows：
1st, this light-source system has multiple light sources transmitter, can be with when light source emitter uses the simple substance light of different wave length
Cure the resin material of different characteristics material simultaneously, realize the mixing printing of same layer different characteristics material.
2nd, when the light source emitter of this light-source system uses the simple substance light of same wavelength simultaneously, convergence hot spot can be enhanced
Intensity, material is made to cure rapidly, improve printing effect.
3rd, the light source emitter of this light-source system can select high power light source to be used as outer profile, select small-power light
Source is used as Internal periphery.
4th, the size that can adjust hot spot of light source adjusting mechanism and the position of hot spot.
Description of the drawings
Fig. 1 is the stereogram of this light-source system.
Fig. 2 is the front view of this light-source system.
In figure, 1 print head；1a nozzles；2 motion platforms；3 light source emitters；4 fixed seats；5 fix lens；6 rotations are saturating
Mirror；7 mobile lens.
Specific embodiment
The following is specific embodiments of the present invention and with reference to attached drawing, technical scheme of the present invention is further described,
But the present invention is not limited to these embodiments.
As shown in the figures 1 and 2,3D printer includes print head 1, and the bottom of print head 1 has nozzle 1a, this light-source system packet
It including light source adjusting mechanism and is fixed on the motion platform 2 at 1 middle part of print head, motion platform 2 is equipped with several light source emitters 3,
Light source adjusting mechanism includes fixed seat 4 moving up and down, several fixed lens 5 and several relay lens 6, fixed seat 4 and is located at
The lower section of operation platform, each fixed lens 5 respectively be located at corresponding light source emitter 3 lower section, each relay lens 6 with it is corresponding
Fixed lens 5 are oppositely arranged, and each fixed lens 5 are each attached in fixed seat 4 and are located remotely from the side of nozzle 1a, and each rotation is saturating
Mirror 6 is arranged in fixed seat 4 and positioned at close to the side of nozzle 1a.In the present embodiment, light source emitter 3 is four, certainly,
Light source emitter 3 can also be two or three or four or more, and the present invention is not limited the quantity of light source emitter 3.
As shown in Figure 1, in the present embodiment, light source adjusting mechanism further includes several mobile lens 7, and each mobile lens 7 slide
It is connected in fixed seat 4 and is located at respectively between the fixation lens 5 being oppositely arranged and relay lens 6.In the structure, each light source hair
The light that emitter 3 emits, by mobile lens 7, is re-reflected into the rotation being oppositely arranged after the reflection of corresponding fixed lens 5
On lens 6, mobile lens 7 can adjust the path of light, and adjust the size and location of hot spot by movement.
As shown in Figure 1, preferably, motion platform 2 is horizontally disposed, each light source emitter 3 it is cylindrical and with fortune
Moving platform 2 is vertically arranged,
As shown in Figure 2, it is preferred that fixed seat 4 is horizontally disposed, and each fixed lens 5 are obliquely installed, and each mobile lens 7 are equal
It is perpendicular with fixed seat 4.
As shown in Fig. 2, in the present embodiment, print head 1 is located at the middle part of motion platform 2 and the two is vertically arranged, each light source
Transmitter 3 is uniformly distributed along the circumferential direction of print head 1.Structure arrangement is more reasonable, and each light source emitter 3 can be from print head
1 surrounding launches light.
As a kind of scheme, the wavelength of simple substance light is identical used in each light source emitter 3.Each light source emitter 3 can be with
The simple substance light of same wavelength is selected as needed, when several light source emitters 3 use the simple substance light of same wavelength simultaneously,
The intensity of convergence hot spot can be enhanced, material is made to cure rapidly, improve printing effect.
Alternatively, the wavelength of simple substance light is different used in each light source emitter 3.Each light source emitter
3 can also respectively select the simple substance light of different wave length, can be with when simple substance light of several light source emitters 3 using different wave length
Cure the resin material of different characteristics material simultaneously, realize the mixing printing of same layer different characteristics material.
As a kind of embodiment, the power of light source can be different used in each light source emitter 3.The power of light source
Be divided into size, the irradiated area bigger of high power light source can be used as outer profile, the irradiated area of low-power light source compared with
It is small, it can be used as Internal periphery.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of light-source system of visible-light curing 3D printing, 3D printer includes print head (1), and the bottom of print head (1) has
There is nozzle (1a), which is characterized in that the light-source system includes light source adjusting mechanism and is fixed in the middle part of the print head (1)
Motion platform (2), the motion platform (2) are equipped with several light source emitters (3), and the light source adjusting mechanism includes can be upper and lower
Mobile fixed seat (4), several fixed lens (5) and several relay lens (6), the fixed seat (4) is positioned at operation platform
Lower section, each fixed lens (5) are located at the lower section of corresponding light source emitter (3), each relay lens (6) and corresponding fixation respectively
Lens (5) are oppositely arranged, and each fixed lens (5) are each attached in the fixed seat (4) and are located remotely from the side of nozzle (1a),
Each relay lens (6) is arranged in fixed seat (4) and positioned at close to the side of nozzle (1a).
A kind of 2. light-source system of visible-light curing 3D printing according to claim 1, which is characterized in that the light source tune
Complete machine structure further includes several mobile lens (7), and each mobile lens (7) are slidably connected in the fixed seat (4) and are located at respectively
Between the fixation lens (5) and relay lens (6) that are oppositely arranged.
3. the light-source system of a kind of visible-light curing 3D printing according to claim 1, which is characterized in that the movement is flat
Platform (2) is horizontally disposed, and each light source emitter (3) is cylindrical and is vertically arranged with motion platform (2).
A kind of 4. light-source system of visible-light curing 3D printing according to claim 1, which is characterized in that the fixed seat
(4) it is horizontally disposed with, each fixed lens (5) are obliquely installed, and each mobile lens (7) are perpendicular with the fixed seat (4).
A kind of 5. light-source system of visible-light curing 3D printing according to claim 1, which is characterized in that the print head
(1) it is vertically arranged positioned at the middle part of motion platform (2) and the two, each light source emitter (3) is along the circumferential direction of the print head (1)
It is uniformly distributed.
6. according to a kind of light-source system of visible-light curing 3D printing of claim 1-5 any one of them, which is characterized in that each
The wavelength of simple substance light is identical used in light source emitter (3).
7. according to a kind of light-source system of visible-light curing 3D printing of claim 1-5 any one of them, which is characterized in that each
The wavelength of simple substance light is different used in light source emitter (3).
8. according to a kind of light-source system of visible-light curing 3D printing of claim 1-5 any one of them, which is characterized in that each
The power of light source is different used in light source emitter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131952.7A CN108215152B (en) | 2017-11-15 | 2017-11-15 | Light source system for visible light curing 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711131952.7A CN108215152B (en) | 2017-11-15 | 2017-11-15 | Light source system for visible light curing 3D printing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108215152A true CN108215152A (en) | 2018-06-29 |
| CN108215152B CN108215152B (en) | 2024-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711131952.7A Active CN108215152B (en) | 2017-11-15 | 2017-11-15 | Light source system for visible light curing 3D printing |
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| Country | Link |
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| CN (1) | CN108215152B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732923A (en) * | 2019-01-02 | 2019-05-10 | 浙江大学 | A kind of pre- photocuring formula extrusion 3D printing spray head towards a variety of light-sensitive materials |
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| US20160363869A1 (en) * | 2014-01-28 | 2016-12-15 | Prismlab China Ltd. | Light-curing type 3d printing device and image exposure system thereof |
| CN207630510U (en) * | 2017-11-15 | 2018-07-20 | 广州中国科学院先进技术研究所 | A kind of light-source system of visible-light curing 3D printing |
-
2017
- 2017-11-15 CN CN201711131952.7A patent/CN108215152B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000167939A (en) * | 1998-12-10 | 2000-06-20 | Asahi Optical Co Ltd | Method for optical molding |
| US20160363869A1 (en) * | 2014-01-28 | 2016-12-15 | Prismlab China Ltd. | Light-curing type 3d printing device and image exposure system thereof |
| CN106032063A (en) * | 2015-03-16 | 2016-10-19 | 中国科学院西安光学精密机械研究所 | Powder jet type 3D printing nozzle and control method thereof |
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| CN105291434A (en) * | 2015-11-04 | 2016-02-03 | 厦门强本科技有限公司 | 3D printing equipment |
| CN205326294U (en) * | 2015-12-30 | 2016-06-22 | 博纳云智（天津）科技有限公司 | Light path structure of formula of sinking 3D printer |
| CN207630510U (en) * | 2017-11-15 | 2018-07-20 | 广州中国科学院先进技术研究所 | A kind of light-source system of visible-light curing 3D printing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732923A (en) * | 2019-01-02 | 2019-05-10 | 浙江大学 | A kind of pre- photocuring formula extrusion 3D printing spray head towards a variety of light-sensitive materials |
| CN109732923B (en) * | 2019-01-02 | 2024-03-12 | 浙江大学 | Pre-photo-curing type extrusion 3D printing spray head for various photosensitive materials |
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| Publication number | Publication date |
|---|---|
| CN108215152B (en) | 2024-01-02 |
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