CN208789091U - A kind of 3D formation system moving spliced upper projection pattern - Google Patents
A kind of 3D formation system moving spliced upper projection pattern Download PDFInfo
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- CN208789091U CN208789091U CN201820537509.3U CN201820537509U CN208789091U CN 208789091 U CN208789091 U CN 208789091U CN 201820537509 U CN201820537509 U CN 201820537509U CN 208789091 U CN208789091 U CN 208789091U
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- charging tray
- projector
- shaped platform
- scraper
- formation system
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Abstract
The 3D formation system of the mobile spliced upper projection pattern of the utility model, can print larger size article, comprising: charging tray, shaped platform, elevating mechanism, projector, X-Y slide unit component and scraper；Charging tray is for holding optical solidified liquid；Elevating mechanism is connect with shaped platform, and shaped platform is driven to move up and down in charging tray；X-Y slide unit component is connect with projector, vertically moves projector laterally above shaped platform；Scraper is located above charging tray and opposite charging tray moves horizontally, for striking off the optical solidified liquid above the cured layer on shaped platform.Since projector moves above charging tray, when carrying out the solidification of certain layer, projector can first be moved to setting position, then start to expose, it realizes a certain regions curing, the next position is then moved to, continues to expose, solidifies subsequent region, until one layer of exposure completely, after flood solidifies, projector returns to initial position, and elevating mechanism controls shaped platform and declines a thickness height completion bulky items printing.
Description
Technical field
The utility model embodiment is related to 3D printing technique field, and in particular to a kind of to move spliced upper projection pattern
3D formation system.
Background technique
DLP 3D printing technique mainly successively solidifies photosensitive polymer liquid by projector, to be created that 3D is beaten
Print object.Current existing DLP 3D printing technique is printed by way of lower projection.
The printing principle of the DLP 3D printer of existing lower projection pattern are as follows: can be accommodated in DLP equipment comprising one
The liquid bath of resin can be placed under liquid bath for holding by cured resin after the ultraviolet light of specific wavelength, DLP imaging system
Side, imaging surface are placed exactly in liquid bath bottom, by energy and Graph Control, the thin layer of each curable certain thickness and shape
Resin (this layer of resin is identical with the resulting cross-sectional shape of front cutting).One shift mechanism is set above liquid bath, every time
Lifting certain altitude (this is highly consistent with lift height) upwards after the completion of the exposure of section, so that the solid-state tree of current curing completion
Rouge is separated and is bonded in liquid bath bottom surface on lifting plate or last molding resin layer, in this way, by successively exposing and being promoted
To generate 3D solid.
The shortcomings that this technology be printing equipment be all it is small-sized, processing dimension is limited, is only used for small size article
Printing.
Utility model content
The utility model provides a kind of 3D formation system for moving spliced upper projection pattern, can print larger size
Article.
A kind of technical solution for the 3D formation system for moving spliced upper projection pattern of the utility model includes:
Charging tray, shaped platform, elevating mechanism, projector, X-Y slide unit component and scraper；
The charging tray is for holding optical solidified liquid；
The elevating mechanism is connect with the shaped platform, and the shaped platform is driven to move up and down in the charging tray；
The X-Y slide unit component is connect with the projector, drives the projector lateral above the shaped platform
Longitudinal movement；
Scraper, the scraper are located above the charging tray and can move horizontally relative to the charging tray, described for striking off
The optical solidified liquid above cured layer on shaped platform.
Preferably, the scraper is across the charging tray.
Preferably, the scraper is equipped with cavity, and the cavity interior suction has a certain amount of optical solidified liquid, in the scraper water
During translation is dynamic, the optical solidified liquid is uniformly coated to above cured layer.
Preferably, further include vacuum pump, for generating negative pressure in the cavity of the scraper, the cavity interior suction is made to have one
Quantitative optical solidified liquid.
Preferably, the solidification light is ultraviolet light.
It preferably, further include rack, the bottom of the rack is arranged in the charging tray, and the X-Y slide unit component setting exists
The top of the rack.
Preferably, the X-Y slide unit component includes vertically disposed X-axis mobile mechanism and Y-axis moving mechanism.
Beneficial effect by adopting the above technical scheme is:
Firstly, since the projector in the present embodiment can move freely above charging tray, when carrying out the solidification of a certain layer,
Projector can first be moved to setting position, and then projector starts to expose, and realize some region of solidification, then move again to down
One position, continues to expose, and solidifies subsequent region, until one layer of exposure completely, after flood solidifies, projector is returned to initially
Large area exposure is realized in position, and then elevating mechanism control shaped platform declines the height of a thickness, and then keeps this practical new
3D formation system described in type can complete the printing of bulky items；
Drive molding flat downwards for holding optical solidified liquid, elevating mechanism secondly, a charging tray is arranged in the utility model
Platform is immersed in the optical solidified liquid in charging tray, and solidification light (such as ultraviolet light) is irradiated in charging tray downwards by projector, is made
The upper surface for the shaped platform that must be immersed in optical solidified liquid solidifies one layer of cured layer out, and elevating mechanism controls under shaped platform
It drops certain altitude (the usually height of a cured layer), scraper moves in the horizontal direction, the optical solidified liquid kept in scraper
On cured layer coated in shaped platform, while scraper sweeps the optical solidified liquid above the cured layer on shaped platform, blows off
Bubble.The utility model eliminates the pull lift action after one layer of every exposure of lower projection pattern as a result, so that printing big section
When the product of size, product or charging tray will not be damaged because the adhesive force of product and charging tray is larger.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structure chart for the 3D formation system for moving spliced upper projection pattern of the utility model embodiment.
Specific embodiment
The utility model provides a kind of 3D formation system for moving spliced upper projection pattern, can print larger size
Article.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of 3D formation system for moving spliced upper projection pattern of the utility model are as follows:
Charging tray, the charging tray is for holding optical solidified liquid；
Shaped platform, the shaped platform are located at below the liquid level of optical solidified liquid；
Elevating mechanism, the elevating mechanism are connect with shaped platform, elevating mechanism drive shaped platform in charging tray on move down
It is dynamic；
Projector, the projector are located at the top of shaped platform, and solidification light is irradiated in charging tray downwards；
X-Y slide unit component, the X-Y slide unit component are connect with projector, and driving projector is laterally indulged above shaped platform
To movement；
Scraper, which is located above charging tray and can move horizontally relative to charging tray, for striking off consolidating on shaped platform
Change the optical solidified liquid above layer.
It can be moved freely above charging tray by projector in this present embodiment, when carrying out the solidification of a certain layer, projection
Instrument can first be moved to setting position, and then projector starts to expose, and realize some region of solidification, then through X-Y slide unit
Component is moved to next position, continues to expose, and solidifies subsequent region, until one layer of exposure completely, after flood solidifies, throws
Shadow instrument returns to initial position, realizes large area exposure, and then complete 3D formation system described in the utility model substantially
The printing of product article.
A kind of 3D formation system for moving spliced upper projection pattern of the utility model is described in detail below with reference to Fig. 1
Technical solution.
Rack 7 can be the rectangular frame shown in figure surrounded by several cross bars and vertical bar.
Charging tray 5 is located at the bottom of rack 7, is used to hold optical solidified liquid in charging tray 5.State in use 3D formation system into
When row printing, optical solidified liquid is injected in charging tray 5 first, at this point, shaped platform 4 is immersed in optical solidified liquid, molding is flat
Platform 4 be immersed in optical solidified liquid depth be single exposure thickness.
Shaped platform 4 is connect with elevating mechanism 2, and elevating mechanism 2 drives shaped platform 4 to be moved up and down in charging tray 5 (along figure
The Z axis that middle arrow is indicated moves up and down).Each layer printing after the completion of, elevating mechanism 2 drive shaped platform 4 in charging tray 5 to
The thickness of lower one cured layer of movement.
Projector 1 is located at the corresponding top of charging tray 5, and projector 1 is arranged on X-Y slide unit component 6, and X-Y slide unit component 6 drives
Move X, the Y-axis laterally longitudinal movement that the arrow along figure of projector 1 is indicated.
X-Y slide unit component 6 includes vertically disposed X-axis mobile mechanism and Y-axis moving mechanism, X-axis mobile mechanism sliding peace
Dress on the rack, can move back and forth along the x axis relative to rack, and Y-axis moving mechanism is slidably mounted in X-axis mobile mechanism,
It can be moved back and forth along the y axis relative to X-axis mobile mechanism.X-Y slide unit component 6 drives projector 1 to move above charging tray 5,
Solidification light is irradiated in charging tray 5 downwards by projector 1, as projector 1 can project the ultraviolet light containing product cross section information.
Projector 1 is moved to setting position by X-Y slide unit component 6, and then projector 1 starts to expose, and then moves again to next
Position continues to expose, until one layer of exposure completely, flood solidification finish.
Scraper 3 is across that can move horizontally above charging tray 5 and relative to charging tray 5, for sweeping 4 upper end surface of shaped platform
Cured layer above optical solidified liquid.Due to having cavity inside scraper 3, certain negative pressure can be generated by vacuum pump, is made
The cavity interior suction for obtaining scraper 3 has a certain amount of optical solidified liquid, during scraper 3 moves horizontally, optical solidified liquid is equal
The even top for being coated to cured layer, while the bubble on optical solidified liquid surface can be blown off.
When printing, shaped platform 4 be immersed in optical solidified liquid depth be single exposure thickness, projector 1 is along material
Disk 5 is mobile until flood solidification finishes, and then elevating mechanism 2 controls the decline certain altitude of shaped platform 4, then deposits in scraper 3
The optical solidified liquid of storage is coated in above cured layer, while scraper 3 strikes off optical solidified liquid surface, and projector 1 throws image
It penetrates on shaped platform 4, completes one layer of solidification, cured layer is attached on shaped platform 4 or upper one layer of cured layer, followed by
Shaped platform 4 declines the height of a thickness, then starts next layer of solidification, is formed in this way by successively exposing and declining
Product 8.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. a kind of 3D formation system for moving spliced upper projection pattern characterized by comprising charging tray, shaped platform, liter
Descending mechanism, projector, X-Y slide unit component and scraper；
The charging tray is for holding optical solidified liquid；
The elevating mechanism is connect with the shaped platform, and the shaped platform is driven to move up and down in the charging tray；
The X-Y slide unit component is connect with the projector, drives the projector laterally longitudinal above the shaped platform
It is mobile；
Scraper, the scraper is located above the charging tray and can move horizontally relative to the charging tray, for striking off the molding
The optical solidified liquid above cured layer on platform.
2. the 3D formation system of the spliced upper projection pattern of movement according to claim 1, which is characterized in that described to scrape
Knife is across the charging tray.
3. the 3D formation system of the spliced upper projection pattern of movement according to claim 2, which is characterized in that described to scrape
Knife is equipped with cavity, and the cavity interior suction has a certain amount of optical solidified liquid, during the scraper moves horizontally, the light
Solidification liquid is uniformly coated to above cured layer.
4. the 3D formation system of the spliced upper projection pattern of movement according to claim 3, which is characterized in that further include
Vacuum pump makes the cavity interior suction have a certain amount of optical solidified liquid for generating negative pressure in the cavity of the scraper.
5. the 3D formation system of the spliced upper projection pattern of movement according to claim 1, which is characterized in that further include
The bottom of the rack is arranged in rack, the charging tray, and the top of the rack is arranged in the X-Y slide unit component.
6. the 3D formation system of the spliced upper projection pattern of movement according to claim 5, which is characterized in that the X-
Y slide unit component includes vertically disposed X-axis mobile mechanism and Y-axis moving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820537509.3U CN208789091U (en) | 2018-04-16 | 2018-04-16 | A kind of 3D formation system moving spliced upper projection pattern |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820537509.3U CN208789091U (en) | 2018-04-16 | 2018-04-16 | A kind of 3D formation system moving spliced upper projection pattern |
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| CN208789091U true CN208789091U (en) | 2019-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437452A (en) * | 2018-04-16 | 2018-08-24 | 广州黑格智造信息科技有限公司 | A kind of 3D formation systems moving spliced upper projection pattern |
| CN113939391A (en) * | 2019-06-14 | 2022-01-14 | 沃克斯艾捷特股份有限公司 | Method and apparatus for producing 3D molded articles using a layered technique, and coating machine having a vacuum enclosure |
-
2018
- 2018-04-16 CN CN201820537509.3U patent/CN208789091U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437452A (en) * | 2018-04-16 | 2018-08-24 | 广州黑格智造信息科技有限公司 | A kind of 3D formation systems moving spliced upper projection pattern |
| CN113939391A (en) * | 2019-06-14 | 2022-01-14 | 沃克斯艾捷特股份有限公司 | Method and apparatus for producing 3D molded articles using a layered technique, and coating machine having a vacuum enclosure |
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