CN204451225U - Lcd screen selective light solidification 3D printer - Google Patents
Lcd screen selective light solidification 3D printer Download PDFInfo
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- CN204451225U CN204451225U CN201520092969.6U CN201520092969U CN204451225U CN 204451225 U CN204451225 U CN 204451225U CN 201520092969 U CN201520092969 U CN 201520092969U CN 204451225 U CN204451225 U CN 204451225U
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
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- Chemical & Material Sciences (AREA)
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- Materials Engineering (AREA)
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- Manufacturing & Machinery (AREA)
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- Optics & Photonics (AREA)
Abstract
The utility model discloses lcd screen selective light solidification 3D printer, be made up of luminescence unit, image-generating unit, forming unit and raw material supplying recovery unit; Image-generating unit comprises collector lens, Fresnel lens, upper strata polarizing coating, LCDs and lower polarizer films; Forming unit comprises part supporting plate, Z axis telecontrol equipment, reservoir and scraper plate; Raw material supplying recovery unit comprises raw material tank, material pipe and liquid pump.Luminescence-utraviolet source is evenly distributed on Fresnel Lenses through collector lens, and Fresnel Lenses makes light change path orthogonal and is irradiated to LCDs; Under ultraviolet source irradiation, the images transparent region of LCDs intercepts ultraviolet light and reduces, do not having image display area, ultraviolet light is stopped, the resin liquid layer on part supporting plate and resin between liquid level solidifies under LCDs printing opacity irradiates; The utility model can make the goods with the equal size of large-scale liquid crystal display size, by carrying out face solidification, can improve forming efficiency.
Description
Technical field
The utility model relates to a kind of rapid forming equipment, especially relates to a kind of rapid forming equipment utilizing LCD liquid crystal imaging to solidify liquid photosensitive resin.
Background technology
Rapid shaping technique (be also called RP technique, Rapid PrototypingManufacturing, be called for short RPM), prints also referred to as 3D.This technology, according to the three-dimensional modeling data of object, manufactures entity by former in the mode successively superposed, and it can overcome the special construction obstacle that current traditional machining cannot realize.The simplification that can realize any complex components is produced.Existing 3D printing technique is mainly divided into, fused glass pellet (FDM), selective laser sintering (SLS), stereolithography (SLA), digital light process (DLP).
For stereolithography forming technique (SLA), the basic implementation of existing apparatus is: ultraviolet controls eyeglass according to model data by digital control system and is refracted to light-cured resin surface, make it by point to line, by line to face consecutive solidification, complete the drawing performance of an aspect, then lifting platform moves the height of a synusia in the vertical direction, then solidifies another aspect, the formation that is layering like this 3D solid.The forming efficiency in this " point-line-face " is too low, need improve manufacturing process, improves forming efficiency; In addition, existing apparatus mainly adopts " goods reversely hung Yong " is shaped, although be convenient to the quick levelling of resin and the recovery of uncured resin, along with the bulking value of goods is increasing, the shortcoming that reversely hung Yong molded article easily comes off from substrate just displays.Therefore, need according to its shaping characteristic, the manufacturing process of research large scale light-cured resin goods.
Utility model content
The utility model, for above-mentioned shortcoming, according to the printing opacity principle of Large-size LCD Screen, can make the goods with the equal size of large-scale liquid crystal display size, by directly carrying out " face " solidification, greatly improves forming efficiency; Be shaped for existing building mortion " reversely hung Yong " simultaneously and be difficult to the shortcoming preparing massive article, utility model can the shaped structure piled up of forward, meets demand prepared by large scale goods.
The technical solution of the utility model is: a kind of lcd screen selective light solidification three-dimensional printer, is made up of luminescence unit, image-generating unit, forming unit and raw material supplying recovery unit; Wherein luminescence unit is luminescence-utraviolet source; Image-generating unit comprises collector lens, Fresnel lens, upper strata polarizing coating, LCDs and lower polarizer films; Forming unit comprises part supporting plate, Z axis telecontrol equipment, reservoir and scraper plate; Raw material supplying recovery unit comprises raw material tank, material pipe and liquid pump.
The manufacturing process of the utility model lcd screen selective light solidification three-dimensional printer is: luminescence-utraviolet source is evenly distributed on Fresnel Lenses through collector lens; Fresnel Lenses makes light change path orthogonal and is irradiated to LCDs; LCDs two sides is respectively upper strata polarizing coating and lower polarizer films; The imaging display section of LCDs is selective Transparence Display region, and under the irradiation of ultraviolet source, the images transparent region of LCDs intercepts ultraviolet light and reduces, the region shown not having image, and ultraviolet light is stopped; Ultraviolet light through liquid crystal display forms ultraviolet light image region and can be radiated on liquid photocurable resin; Resin liquid layer on part supporting plate and resin between liquid level solidifies under LCDs printing opacity irradiates.After the solidification of current one deck, part support strip is moved the goods solidified and to be declined the distance of one deck; Scraper plate moves back and forth once, strikes off curing molding goods and liquid photocurable resin and strikes off, curing molding goods and liquid photocurable resin exposure curing again; When resin liquid level in reservoir reduces, liquid photocurable resin in raw material tank is led to charge tube and supplements into reservoir by pump, keeps the liquid level stabilizing of liquid photocurable resin in reservoir; After stereolithographic process terminates, in reservoir, unnecessary liquid photocurable resin leads to charge tube and reclaims in raw material tank, uses in order to next time.And so forth repeatedly, thus complete three-dimensionally shaped process.
The luminescence unit of the utility model lcd screen selective light solidification three-dimensional printer is luminescence-utraviolet source, selects the ultraviolet LED light source of 375-405nm, only just can meet photosensitive resin solidifying requirements by the power consumption of conventional projector 1%-10%.
The image-generating unit of the utility model lcd screen selective light solidification three-dimensional printer, comprises collector lens, Fresnel lens, is pasted onto polarizing coating above LCDs, the LCDs of horizontal positioned and the polarizing coating that is pasted onto below LCDs; Utilize liquid crystal display LCD image-forming principle, under the driving of microcomputer and display drive circuit, provide picture signal by computer program, LCD screen occurs optionally transparent region.Under the irradiation in luminescence-utraviolet source, the images transparent region of LCD screen hinders less to ultraviolet light, and the region shown not having image, ultraviolet light is stopped.Ultraviolet light through liquid crystal display forms ultraviolet light image region on photosensitive resin top layer.
The utility model lcd screen selective light solidification three-dimensional printer forming unit comprises part supporting plate, reservoir, Z axis leading screw, Z axis stepper motor and scraper plate.Ultraviolet light forms ultraviolet light image region on photosensitive resin top layer, and this region liquid resin, by UV-irradiation generation curing reaction, is become solid-state by the liquid resin that ultraviolet lighting is mapped to.After the solidification of current one deck, Z axis stepper motor drives Z axis leading screw to rotate, and part supporting plate and the goods solidified are declined the distance of one deck; Scraper plate moves back and forth once, and strike off the resin between curing molding goods and resin liquid level, the resin between curing molding goods and resin liquid level again exposure curing is shaping.And so forth repeatedly, thus complete three-dimensionally shaped process.
The raw material supplying recovery unit of the utility model lcd screen selective light solidification three-dimensional printer, comprises raw material tank, material pipe and liquid pump; Raw material tank adopts plug-in stoste cylinder, is convenient to change resin raw material, can avoids dust pollution resin simultaneously.
The utility model, according to the printing opacity principle of Large-size LCD Screen, can make the goods with the equal size of large-scale liquid crystal display size, by directly carrying out " face " solidification, greatly improves forming efficiency; Be shaped for existing building mortion " reversely hung Yong " simultaneously and be difficult to the shortcoming preparing massive article, utility model can the shaped structure piled up of forward, meets demand prepared by large scale goods.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model lcd screen selective light solidification three-dimensional printer.
1-luminescence-utraviolet source; 2-collector lens; 3-Fresnel lens; 4-upper strata polarizing coating; 5-LCDs; 6-lower polarizer films; 7-goods; 8-liquid photocurable resin; 9-part supporting plate; 10-reservoir; 11-Z axial filament thick stick; 12-Z shaft step motor; 13-expects pipe; 14-raw material tank; 15-liquid pump; 16-scraper plate.
Detailed description of the invention
The utility model provides a kind of lcd screen selective light solidification three-dimensional printer, is made up of luminescence unit, image-generating unit, forming unit, raw material supplying recovery unit; Wherein luminescence unit is luminescence-utraviolet source 1; Wherein image-generating unit comprises collector lens 2, Fresnel lens 3, upper strata polarizing coating 4, LCDs 5, lower polarizer films 6; Wherein forming unit comprises part supporting plate 9, reservoir 10, Z axis leading screw 11, Z axis stepper motor 12, scraper plate 16; Raw material supplying recovery unit comprises material pipe 13, raw material tank 14, liquid pump 15.
In the utility model LCD selective light solidification three-dimensional printer, ultraviolet light source 1 is evenly distributed on Fresnel Lenses 3 through collector lens 2.Fresnel Lenses 3 makes light change path orthogonal and is irradiated to LCDs 5; LCDs 5 two sides is respectively upper strata polarizing coating 4 and lower polarizer films 6; The imaging display section of LCDs 5 is selective Transparence Display regions, and under the irradiation of ultraviolet source, the images transparent region of LCDs 5 intercepts ultraviolet light and reduces, the region shown not having image, and ultraviolet light is stopped; Ultraviolet light through liquid crystal display 5 forms ultraviolet light image region and can be radiated on liquid photocurable resin 8; Resin liquid layer on part supporting plate 9 and resin between liquid level solidifies under LCDs 5 printing opacity irradiates; After the solidification of current one deck, Z axis stepper motor 12 drives Z axis leading screw 11 to rotate, and part supporting plate 9 and the goods 7 solidified are declined the distance of one deck; Scraper plate 16 moves back and forth once, strikes off the resin between curing molding goods 7 and resin liquid level, and the resin between curing molding goods 7 and resin liquid level again exposure curing is shaping; When resin liquid level in reservoir 10 reduces, liquid photocurable resin 8 in raw material tank 14 is led to charge tube 13 and supplements into reservoir 10 by liquid pump 15, keeps the liquid level stabilizing of liquid photocurable resin 8 in reservoir 10; After stereolithographic process terminates, in reservoir 10, unnecessary liquid photocurable resin 8 leads to charge tube 13 and reclaims in raw material tank 14, uses in order to next time.And so forth repeatedly, thus complete three-dimensionally shaped process.
Claims (4)
1.LCD screen selective light solidification 3D printer, is characterized in that: form primarily of luminescence unit, image-generating unit, forming unit and raw material supplying recovery unit; Luminescence unit is luminescence-utraviolet source; Image-generating unit comprises collector lens, Fresnel lens, upper strata polarizing coating, LCDs and lower polarizer films; Forming unit comprises part supporting plate, Z axis telecontrol equipment, reservoir and scraper plate; Raw material supplying recovery unit comprises raw material tank, material pipe and liquid pump; Luminescence-utraviolet source is evenly distributed on Fresnel Lenses through collector lens; Fresnel Lenses makes light change path orthogonal and is irradiated to LCDs; LCDs two sides is respectively upper strata polarizing coating and lower polarizer films; The imaging display section of LCDs is selective Transparence Display region; Ultraviolet light through liquid crystal display forms ultraviolet light image region and can be radiated on liquid photocurable resin; Resin liquid layer on part supporting plate and resin between liquid level solidifies under LCDs printing opacity irradiates; Part support strip is moved the goods solidified and to be declined the distance of one deck; Scraper plate moves back and forth once, strikes off curing molding goods and liquid photocurable resin and strikes off, curing molding goods and liquid photocurable resin exposure curing again; When resin liquid level in reservoir reduces, liquid photocurable resin in raw material tank is led to charge tube and supplements into reservoir by pump, keeps the liquid level stabilizing of liquid photocurable resin in reservoir; After stereolithographic process terminates, in reservoir, unnecessary liquid photocurable resin leads to charge tube and reclaims in raw material tank.
2. lcd screen selective light solidification 3D printer according to claim 1, is characterized in that: luminescence unit is the ultraviolet LED light source of 375-405nm.
3. lcd screen selective light solidification 3D printer according to claim 1, it is characterized in that: forming unit comprises part supporting plate, reservoir, Z axis leading screw, Z axis stepper motor and scraper plate, Z axis stepper motor drives Z axis leading screw to rotate, and part supporting plate and the goods solidified are declined the distance of one deck; Scraper plate moves back and forth once, and strike off the resin between curing molding goods and resin liquid level, the resin between curing molding goods and resin liquid level again exposure curing is shaping.
4. lcd screen selective light solidification 3D printer according to claim 1, is characterized in that: raw material supplying recovery unit comprises raw material tank, material pipe and liquid pump; Raw material tank adopts plug-in stoste cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520092969.6U CN204451225U (en) | 2015-02-10 | 2015-02-10 | Lcd screen selective light solidification 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520092969.6U CN204451225U (en) | 2015-02-10 | 2015-02-10 | Lcd screen selective light solidification 3D printer |
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| Publication Number | Publication Date |
|---|---|
| CN204451225U true CN204451225U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520092969.6U Expired - Fee Related CN204451225U (en) | 2015-02-10 | 2015-02-10 | Lcd screen selective light solidification 3D printer |
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| CN (1) | CN204451225U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608386A (en) * | 2015-02-10 | 2015-05-13 | 北京化工大学 | Selective photo-curing three-dimensional (3D) printer provided with liquid crystal display (LCD) screen |
| CN106273489A (en) * | 2016-08-17 | 2017-01-04 | 珠海天威飞马打印耗材有限公司 | Photocuring three-dimensional printer and Method of printing thereof |
| CN106881861A (en) * | 2017-03-24 | 2017-06-23 | 杭州维彬科技有限公司 | A kind of photocuring 3D printer |
| CN108081600A (en) * | 2016-11-21 | 2018-05-29 | 新都有限公司 | Utilize the 3D printer of linear laser light source |
| WO2018145298A1 (en) * | 2017-02-10 | 2018-08-16 | 深圳摩方材科技有限公司 | Photocurable 3d printer based on dot-matrix display |
| CN109414876A (en) * | 2016-06-28 | 2019-03-01 | 吉列有限责任公司 | The method of polymer cutting edge structure and manufacture polymer cutting edge structure |
| JP2019514722A (en) * | 2016-12-23 | 2019-06-06 | レイ カンパニー，リミテッド | LCD method 3D printer |
| CN110722795A (en) * | 2019-11-21 | 2020-01-24 | 吉林大学 | One shot forming's multiaspect LCD light source 3D printing device |
| US11059194B2 (en) | 2015-06-30 | 2021-07-13 | The Gillette Company Llc | Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures |
-
2015
- 2015-02-10 CN CN201520092969.6U patent/CN204451225U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608386A (en) * | 2015-02-10 | 2015-05-13 | 北京化工大学 | Selective photo-curing three-dimensional (3D) printer provided with liquid crystal display (LCD) screen |
| US11597112B2 (en) | 2015-06-30 | 2023-03-07 | The Gillette Company Llc | Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures |
| US11059194B2 (en) | 2015-06-30 | 2021-07-13 | The Gillette Company Llc | Polymeric cutting edge structures and method of manufacturing polymeric cutting edge structures |
| CN109414876A (en) * | 2016-06-28 | 2019-03-01 | 吉列有限责任公司 | The method of polymer cutting edge structure and manufacture polymer cutting edge structure |
| CN109414876B (en) * | 2016-06-28 | 2021-05-18 | 吉列有限责任公司 | Polymeric cutting edge structure and method of making a polymeric cutting edge structure |
| CN106273489B (en) * | 2016-08-17 | 2017-12-19 | 珠海天威飞马打印耗材有限公司 | Photocuring three-dimensional printer and its Method of printing |
| CN106273489A (en) * | 2016-08-17 | 2017-01-04 | 珠海天威飞马打印耗材有限公司 | Photocuring three-dimensional printer and Method of printing thereof |
| CN108081600A (en) * | 2016-11-21 | 2018-05-29 | 新都有限公司 | Utilize the 3D printer of linear laser light source |
| JP2019514722A (en) * | 2016-12-23 | 2019-06-06 | レイ カンパニー，リミテッド | LCD method 3D printer |
| EP3427929A4 (en) * | 2016-12-23 | 2019-12-04 | Ray Co., Ltd | Lcd type 3d printer |
| WO2018145298A1 (en) * | 2017-02-10 | 2018-08-16 | 深圳摩方材科技有限公司 | Photocurable 3d printer based on dot-matrix display |
| CN106881861A (en) * | 2017-03-24 | 2017-06-23 | 杭州维彬科技有限公司 | A kind of photocuring 3D printer |
| CN110722795A (en) * | 2019-11-21 | 2020-01-24 | 吉林大学 | One shot forming's multiaspect LCD light source 3D printing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20180210 |