CN207240857U - The photocuring 3D printer for selecting light can be gathered - Google Patents
The photocuring 3D printer for selecting light can be gathered Download PDFInfo
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- CN207240857U CN207240857U CN201721321048.8U CN201721321048U CN207240857U CN 207240857 U CN207240857 U CN 207240857U CN 201721321048 U CN201721321048 U CN 201721321048U CN 207240857 U CN207240857 U CN 207240857U
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- light
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- photocuring
- liquid bath
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Abstract
The utility model belongs to 3D printer field, there is provided a kind of to gather the photocuring 3D printer for selecting light, this can gather the photocuring 3D printer printing shaping precision height for selecting light and service life is grown.Wherein, after radiation source passes sequentially through concentrator and institute's optical selector progress optically focused and selects light, the light-cured resin loaded is formed in printing illumination irradiation liquid bath, can effectively prevent optical signal from gradually decaying to cause drop shadow effect to obscure, so as to reduce the technical problem of Stereolithography precision.In addition, after optical selector selects radiation source, it is allowed to passed through through the molding printing illumination of solidified resin is beneficial to, and formed and projected in liquid bath bottom, improve the curing molding precision of 3D printer.In addition, projecting apparatus service life is grown, replacement cost is low.
Description
Technical field
The utility model belongs to 3D printer field, more particularly to a kind of gathers the photocuring 3D printer for selecting light.
Background technology
With DLP（Digital Light Procession, digital light processing）Technology is used for 3 D-printing shaping skill
Art field, digital light processing printer just come into being.Since digital light processing printer is using light-cured resin as moulding material,
Therefore, digital light processing printer is also referred to as in the industry（DLP printers）For Stereolithography printer.
Existing DLP printers irradiate liquid photocurable resin by using ultraviolet light or other light sources, trigger photochemistry
Reaction, makes the liquid photocurable resin curing molding being exposed.In general, DLP printers include rack, projector light source, printing
Shaped platform, vertical lifting mechanism and resin storage tank.Wherein, vertical lifting mechanism drives printing shaping platform equipped with photocuring
Move up and down in the resin storage tank of resin, projector light source projects to the bottom of resin storage tank, and the light for making to contact with light in resin storage tank is consolidated
Change resin polymerization into solid, the light-cured resin not contacted with light keeps liquid, to reach in printing shaping platform and resin storage tank
The purpose of three-dimensional body is successively generated in opposite plane.
Although existing DLP printers can complete 3D printing, since its projecting apparatus imaging process is a letter
Number switching process, during signal converting, signal, which will gradually be decayed, to cause drop shadow effect to obscure, so as to reduce photocuring
Formed precision.In addition, projecting apparatus service life is short, replacement cost is high.
In conclusion the technical problem that existing DLP printers are low there are formed precision and service life is short.
Utility model content
The purpose of this utility model is to provide it is a kind of gather select the photocuring 3D printer of light, it is intended to solve existing
The technical problem that formed precision existing for DLP printers is low and service life is short.
To achieve the above object, in the first can realize scheme, the utility model provide it is a kind of gather select the light of light to consolidate
Change 3D printer, it includes projecting apparatus, liquid bath, base platform, elevating mechanism and shaped platform；The shaped platform liftable
Ground is arranged on the elevating mechanism, and the liquid bath, the elevating mechanism and the projecting apparatus are respectively arranged at the base and put down
On the upside of the middle part of platform, on the downside of edge and middle part；The projecting apparatus includes radiation source, concentrator, optical selector and tempered glass；
The light-emitting surface of the optical selector fits in the lower surface of the tempered glass, liquid bath described in the upper surface face of the tempered glass
Bottom；The radiation source is surrounded in the light inlet matching of the concentrator, and entering for the optical selector is surrounded in the matching of its light-emitting window
Smooth surface；
Printing light is formed after the radiation source passes sequentially through the optically focused of the concentrator and the optical selector and selects light
According to during being irradiated to the light-cured resin loaded in the liquid bath, the elevating mechanism drives the shaped platform lifting, makes institute
State and form three-dimensional body between liquid bath and the shaped platform.
Scheme can be realized with reference to the first, and in second can be achieved scheme, the radiation source is LED ultraviolet lamps.
Scheme can be realized with reference to the first, and in the third can realize scheme, the concentrator is trapezoidal funnel.
Scheme can be realized with reference to the first, and in the 4th kind of achievable scheme, the optical selector is liquid crystal display.
Scheme can be realized with reference to the first, and in the 5th kind of achievable scheme, the photocuring 3D printer further includes sky
Gas purification mechanism；The air purifying mechanism is arranged at the side of the setting elevating mechanism on the base platform, is used for
The irritative gas of the light-cured resin volatilization loaded in absorption cleaning liquid bath.
With reference to the 5th kind of achievable scheme, in the 6th kind of achievable scheme, the air purifying mechanism includes ventilation hole
And filtering adsorpting device, the ventilation hole are connected with the filtering adsorpting device.
With reference to first to the 6th any achievable scheme, in the 7th kind of achievable scheme, the liquid bath is detachably pacified
On the upside of middle part loaded on the base platform.
With reference to the 7th kind of achievable scheme, in the 8th kind of achievable scheme, set on the upside of the middle part of the base platform
There are the first limiting device and the second limiting device, first limiting device carries out the liquid bath with second limiting device
Fixation is spacing.
With reference to the 8th kind of achievable scheme, in the 9th kind of achievable scheme, first limiting device and second spacing
The first nut and the second nut are respectively arranged with device, first nut is corresponded on the liquid bath and second nut is set
It is equipped with the first screw hole and the second screw hole；When installing the liquid bath on the upside of the middle part of the base platform, by first spiral shell
It is female corresponding with second nut to rotate into first screw hole and second screw hole.
The photocuring 3D printer of light is selected by gathering of obtaining of above-mentioned achievable scheme, printing shaping precision is high and uses
Long lifespan.Wherein, after radiation source passes sequentially through concentrator and institute's optical selector progress optically focused and selects light, printing illumination irradiation is formed
The light-cured resin loaded in liquid bath, can effectively prevent optical signal from gradually decaying to cause drop shadow effect to obscure, so as to reduce light
The technical problem of curing molding precision.In addition, after optical selector selects radiation source, it is allowed to which through being beneficial to, solidified resin is molding
Print illumination to pass through, and formed and projected in liquid bath bottom, improve the curing molding precision of 3D printer.In addition, projecting apparatus makes
It is low with long lifespan, replacement cost.
Brief description of the drawings
Fig. 1 is the structure diagram for gathering the photocuring 3D printer for selecting light that the utility model embodiment provides；
Fig. 2 is the structure diagram of the projecting apparatus in Fig. 1.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.
In order to solve the technical problem that formed precision is low existing for existing DLP printers and service life is short, this practicality
New embodiment provides a kind of photocuring 3D printer for gathering and selecting light, and referring to Fig. 1-2, details are as follows：
It is a kind of gather the photocuring 3D printer for selecting light, including projecting apparatus 3, liquid bath 4, base platform 5, elevating mechanism 1 with
And shaped platform 2.Wherein, light-cured resin can be loaded in liquid bath 4, light-cured resin is liquid before illumination is received.
Shaped platform 2 is liftably arranged on elevating mechanism 1.Elevating mechanism 1 is arranged at the edge of base platform 5, uses
To drive shaped platform 2 to move up and down.
4 detachable installation settings of liquid bath is on the upside of the middle part of base platform 5.
Specifically, the first limiting device 40 and the second limiting device 41 are provided with the upside of the middle part of base platform 5.Liquid is installed
During groove 4, with the second limiting device 41 liquid bath 4 can be fixed by the first limiting device 40 spacing.Wherein, fixation is spacing
Require dismountable property, therefore, can by the first limiting device 40 with being set respectively on the second limiting device 41
First nut and the second nut, and corresponding first nut and the second nut set the first screw hole and the second screw hole on liquid bath 4, when
When liquid bath 4 being installed on the upside of the middle part of base platform 5, the first nut and the second nut are corresponded to and rotate into the first screw hole and the
Two screw holes.
It should be noted that destroy the liquid level of resin in liquid bath 4 since vibrations can be produced when shaped platform 2 moves up and down
Stability, liquid bath 4 is removably installed on base platform 5, can effectively fix liquid bath 4 by nut and screw hole, guarantee
The stability of shaped article.
Projecting apparatus 3 is arranged on the downside of the middle part of base platform 5.Projecting apparatus 3 includes radiation source 30, concentrator 31, selects light
Device（It is not shown）And tempered glass 32；Optical selector（It is not shown）Light-emitting surface fit in the lower surface of tempered glass 32, tempering
The bottom of the upper surface face liquid bath 4 of glass 32；Radiation source 30, the matching of its light-emitting window are surrounded in the light inlet matching of concentrator 31
Surround optical selector（It is not shown）Incidence surface.
When radiation source 30 passes sequentially through concentrator 31 and optical selector（It is not shown）Optically focused and select printing light formed after light
According to, during being irradiated to the light-cured resin loaded in liquid bath 4, elevating mechanism 1 can drive shaped platform 2 to lift, make liquid bath 4 with
Three-dimensional body is formed between shaped platform 2.
It should be noted that radiation source 30 passes sequentially through concentrator 31 and institute's optical selector（It is not shown）Carry out optically focused and choosing
After light, the light-cured resin loaded is formed in printing illumination irradiation liquid bath 4, can effectively prevent optical signal from gradually decaying to cause to throw
Shadow effect obscures, so as to reduce the technical problem of Stereolithography precision.In addition, optical selector（It is not shown）Radiation source 30 is selected
After selecting, it is allowed to passed through through the molding printing illumination of solidified resin is beneficial to, and formed and projected in 4 bottom of liquid bath, improved 3D and beat
The curing molding precision of print machine.In addition, 3 service life of projecting apparatus is grown, replacement cost is low.
It should also be noted that, optical selector（It is not shown）The light sent to radiation source 30 has selection index system, passes through choosing
Light device（It is not shown）The light of selection could pass through optical selector（It is not shown）.
It should also be noted that, radiation source 30 can be preferably LED ultraviolet lamps, concentrator 31 can be preferably trapezoidal leakage
Bucket, optical selector（It is not shown）It can be preferably liquid crystal display.Wherein, the thickness of liquid crystal display can be with the consistency of thickness of base platform 5.
LED ultraviolet lamps are located at the lower section of LCD liquid crystal displays, and trapezoidal funnel is between LED ultraviolet lamps and liquid crystal display.The lamp of LED ultraviolet lamps
The size of plate could be provided as the light inlet that matching is bonded trapezoidal funnel, in this way, the ultraviolet light that LED ultraviolet lamps are sent can be avoided to dissipate
Hair, makes ultraviolet luminous energy preferably project on liquid crystal display.In addition, the size of the light-emitting window of trapezoidal funnel can enter light with liquid crystal display
Face size matching set, for example, the size of the light-emitting window of trapezoidal funnel can set it is identical with the size of liquid crystal display incidence surface,
In this way, the problem of marginal portion of trapezoidal funnel just can be bonded with base platform 5, handle light leak well.
Can with improvement, photocuring 3D printer further includes air purifying mechanism 6；Air purifying mechanism 6 is arranged at base and puts down
The side of setting elevating mechanism 1 on platform 5, for the irritation gas of the light-cured resin volatilization loaded in absorption cleaning liquid bath 4
Body.
Specifically, air purifying mechanism 6 includes ventilation hole 60 and filtering adsorpting device 61, ventilation hole 60 and filtering absorption dress
Put 61 connections.
It should be noted that setting air purifying mechanism 6 by the side of the elevating mechanism 1 on base platform 5, work as liquid
In groove 4 resin volatilization irritative gas when, irritative gas can pass through the ventilation hole 60 of air purifying mechanism 6 enter filtering
Adsorbent equipment 61 and by absorption cleaning, beneficial to health.
In the utility model embodiment, there is provided a kind of to gather the photocuring 3D printer for selecting light, this, which can gather, selects light
Photocuring 3D printer printing shaping precision is high and service life is grown.Wherein, radiation source 30 passes sequentially through concentrator 31 and institute
Optical selector（It is not shown）After carrying out optically focused and selecting light, the light-cured resin loaded, Ke Yiyou are formed in printing illumination irradiation liquid bath 4
Effect prevents optical signal is gradually decayed from causing drop shadow effect to obscure, so as to reduce the technical problem of Stereolithography precision.In addition, choosing
Light device（It is not shown）After selecting radiation source 30, it is allowed to passed through through the molding printing illumination of solidified resin is beneficial to, and in liquid
Projection is formed on 4 bottom of groove, improves the curing molding precision of 3D printer.In addition, 3 service life of projecting apparatus is grown, replacement cost
It is low.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of gather the photocuring 3D printer for selecting light, it is characterised in that including projecting apparatus, liquid bath, base platform, elevator
Structure and shaped platform；The shaped platform is liftably arranged on the elevating mechanism, the liquid bath, the elevating mechanism
And the projecting apparatus is respectively arranged on the downside of middle part upside, edge and the middle part of the base platform；The projecting apparatus includes shining
Penetrate light source, concentrator, optical selector and tempered glass；The light-emitting surface of the optical selector fits in the following table of the tempered glass
Face, the bottom of liquid bath described in the upper surface face of the tempered glass；The irradiation is surrounded in the light inlet matching of the concentrator
The incidence surface of the optical selector is surrounded in light source, the matching of its light-emitting window；
Printing illumination is formed after the radiation source passes sequentially through the optically focused of the concentrator and the optical selector and selects light, with
When being irradiated to the light-cured resin loaded in the liquid bath, the elevating mechanism drives the shaped platform lifting, makes the liquid
Three-dimensional body is formed between groove and the shaped platform.
2. the photocuring 3D printer for selecting light can be gathered as claimed in claim 1, it is characterised in that the radiation source is LED
Ultraviolet lamp.
3. the photocuring 3D printer for selecting light can be gathered as claimed in claim 1, it is characterised in that the concentrator is trapezoidal leakage
Bucket.
4. the photocuring 3D printer for selecting light can be gathered as claimed in claim 1, it is characterised in that the optical selector is liquid crystal
Screen.
5. the photocuring 3D printer for selecting light can be gathered as claimed in claim 1, it is characterised in that the photocuring 3D printer
Further include air purifying mechanism；The air purifying mechanism is arranged at one of the setting elevating mechanism on the base platform
Side, for the irritative gas of the light-cured resin volatilization loaded in absorption cleaning liquid bath.
6. the photocuring 3D printer for selecting light can be gathered as claimed in claim 5, it is characterised in that the air purifying mechanism bag
Ventilation hole and filtering adsorpting device are included, the ventilation hole is connected with the filtering adsorpting device.
7. as claim 1-6 any one of them can gather the photocuring 3D printer for selecting light, it is characterised in that the liquid bath can
Remove and install on the upside of the middle part of the base platform.
8. the photocuring 3D printer for selecting light can be gathered as claimed in claim 7, it is characterised in that the middle part of the base platform
Upside is provided with the first limiting device and the second limiting device, and first limiting device is with second limiting device to described
Liquid bath is fixed spacing.
9. the photocuring 3D printer for selecting light can be gathered as claimed in claim 8, it is characterised in that first limiting device with
The first nut and the second nut are respectively arranged with second limiting device, first nut and described are corresponded on the liquid bath
Two nuts are provided with the first screw hole and the second screw hole；When installing the liquid bath on the upside of the middle part of the base platform, by institute
State the first nut and second nut corresponds to and rotates into first screw hole and second screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321048.8U CN207240857U (en) | 2017-10-13 | 2017-10-13 | The photocuring 3D printer for selecting light can be gathered |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321048.8U CN207240857U (en) | 2017-10-13 | 2017-10-13 | The photocuring 3D printer for selecting light can be gathered |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207240857U true CN207240857U (en) | 2018-04-17 |
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ID=61891116
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721321048.8U Active CN207240857U (en) | 2017-10-13 | 2017-10-13 | The photocuring 3D printer for selecting light can be gathered |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366986A (en) * | 2018-11-20 | 2019-02-22 | 东莞理工学院 | A kind of novel DLP-3D printer |
| CN109795114A (en) * | 2019-03-01 | 2019-05-24 | 浙江大学 | Rotary more material photocuring 3D printing equipment |
| CN111421816A (en) * | 2020-02-29 | 2020-07-17 | 湖南大学 | Multi-axis photocuring 3D micro-nano processing equipment and method for matching resin material with corresponding light source |
| CN111844737A (en) * | 2020-06-17 | 2020-10-30 | 南宁壶兰科技有限公司 | Photocuring 3D printer |
| CN113696475A (en) * | 2021-08-10 | 2021-11-26 | 江苏极迈智能科技有限公司 | Compact photocuring 3D printer |
-
2017
- 2017-10-13 CN CN201721321048.8U patent/CN207240857U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366986A (en) * | 2018-11-20 | 2019-02-22 | 东莞理工学院 | A kind of novel DLP-3D printer |
| CN109795114A (en) * | 2019-03-01 | 2019-05-24 | 浙江大学 | Rotary more material photocuring 3D printing equipment |
| CN111421816A (en) * | 2020-02-29 | 2020-07-17 | 湖南大学 | Multi-axis photocuring 3D micro-nano processing equipment and method for matching resin material with corresponding light source |
| CN111421816B (en) * | 2020-02-29 | 2022-02-01 | 湖南大学 | Multi-axis photocuring 3D micro-nano processing equipment and method for matching resin material with corresponding light source |
| CN111844737A (en) * | 2020-06-17 | 2020-10-30 | 南宁壶兰科技有限公司 | Photocuring 3D printer |
| CN113696475A (en) * | 2021-08-10 | 2021-11-26 | 江苏极迈智能科技有限公司 | Compact photocuring 3D printer |
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