CN220742151U - Light source-replaceable light-cured 3D printer - Google Patents
Light source-replaceable light-cured 3D printer Download PDFInfo
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- CN220742151U CN220742151U CN202321994644.8U CN202321994644U CN220742151U CN 220742151 U CN220742151 U CN 220742151U CN 202321994644 U CN202321994644 U CN 202321994644U CN 220742151 U CN220742151 U CN 220742151U
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- printer
- light
- light source
- photosensitive resin
- lcd
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- 239000011347 resin Substances 0.000 claims abstract description 62
- 229920005989 resin Polymers 0.000 claims abstract description 62
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 26
- 238000000016 photochemical curing Methods 0.000 claims abstract description 23
- 230000003028 elevating effect Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 20
- 239000004809 Teflon Substances 0.000 claims description 9
- 229920006362 Teflon® Polymers 0.000 claims description 9
- 238000001723 curing Methods 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000002834 transmittance Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007639 printing Methods 0.000 description 28
- 238000010146 3D printing Methods 0.000 description 14
- 238000003384 imaging method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000000149 argon plasma sintering Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- DBRHOLYIDDOQSD-UHFFFAOYSA-N alumane;lead Chemical compound [AlH3].[Pb] DBRHOLYIDDOQSD-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Abstract
The application discloses light source's photocuring 3D printer of removable light, it includes elevating platform and LED array light source, the LED array light source is close to one side of elevating platform is equipped with LCD screen, LCD screen surface is level and smooth, LCD liquid crystal is close to one side of elevating platform is equipped with photosensitive resin, the elevating platform with photosensitive resin zonulae occludens. The application has the effect of adjusting the wavelength of the 3D printer.
Description
Technical Field
The application relates to the field of 3D printing, in particular to a photocuring 3D printer with a replaceable lamplight source.
Background
Generally, a photo-curing printer uses a photosensitive resin as a printing material, and cures the photosensitive resin by irradiation with light. The light wave wavelength of the light source used by the common photocuring 3D printer on the market is 355nm, 390 nm,405nm and 455nm 532nm, etc. For each wavelength, a photosensitive resin of the corresponding wavelength is required. The properties of the resulting cured article are not exactly the same after curing of the different resins with light of different wavelengths.
The utility model patent with the name of '3D printer' as patent No. CN 113459510A discloses a 3D printer, comprising a closed cabinet, a printing device is arranged in the case and comprises a printing platform, a three-dimensional printing injection device is arranged on the printing platform, the three-dimensional printing and spraying device comprises a lifting mechanism, the lifting mechanism comprises a lifting frame, a straight sliding rail is erected on the lifting frame, the straight sliding rail freely slides on the lifting frame through a frame connection end, a printing spray head is arranged on the straight sliding rail, and the printing spray head freely slides on the straight sliding rail.
Above this kind of 3D printer adopts confined intelligent control machine case to guarantee the requirement of the incasement 3D printing process to the environment, avoids printing the process and produces excessive vibration and noise, has the characteristics that print the high quality and produce vibration, noise are little, but the light source of this kind of 3D printer can only emit the light of a certain wave band, and the user need purchase the 3D printing equipment of different wavelength when meetting different wave band solidification material and printing, this greatly increases user's manufacturing cost.
Disclosure of Invention
In order to overcome the defect that the light wavelength of the 3D printing equipment is single, the application provides a photocuring 3D printer with a replaceable lamplight source.
The application provides a light source's photocuring 3D printer of removable light adopts following technical scheme:
the utility model provides a light source's photocuring 3D printer, includes elevating platform and LED array light source, the LED array light source is close to one side of elevating platform is equipped with LCD screen, LCD screen surface is level and smooth, LCD liquid crystal is close to one side of elevating platform is equipped with photosensitive resin, the elevating platform with photosensitive resin zonulae occludens.
Through the technical proposal, the photocuring 3D printer with the replaceable lamplight source comprises a lifting table and an LED array light source, wherein the side of the LED array light source, which is close to the lifting table, is provided with an LCD (liquid crystal display) screen, the surface of the LCD screen is flat, the side of the LCD screen, which is close to the lifting table, is provided with photosensitive resin, the lifting table is tightly connected with the photosensitive resin, the LED array light source is used as a light source for photocuring 3D printing and irradiates the LCD screen, the LCD liquid crystal screen is used as a grating to carry out imaging control, the cured photosensitive resin is fixed on the lifting platform, the lifting platform is controlled to complete the increase of the height of a workpiece, the lifting platform can be lifted up each time to realize the control of the printing layer thickness, the LED array light source can realize the printing of photosensitive resin materials with different wavelengths by changing the light sources with different wavelengths, and the defect of single light wavelength of the 3D printing equipment is overcome.
Preferably, a light equalizing plate is arranged on one side of the LED array light source, which is close to the LCD.
Through adopting above-mentioned technical scheme, the light-equalizing plate is installed to the side that the LED array light source is close to LCD, and the light-equalizing plate utilizes the light scattering effect of the nanoparticle dispersed in the light guide plate to turn into the area source with the pointolite of LED array light source, improves the stability that the photocuring 3D printed.
Preferably, a resin trough is arranged between the photosensitive resin and the LCD liquid crystal screen, the photosensitive resin is placed in the resin trough.
Through adopting above-mentioned technical scheme, install the resin silo between photosensitive resin and the LCD, photosensitive resin is placed in the resin silo, and the resin silo has the function of depositing photosensitive resin, can deposit sufficient photosensitive resin in the resin recess, avoids photocuring 3D to print in-process multiple addition photosensitive resin, improves the convenient to use of printer.
Preferably, the method comprises the steps of, the LCD liquid crystal the screen is high resolution LCD liquid crystal screen.
Through adopting above-mentioned technical scheme, LCD images, and the highest resolution reaches 8K, and XY axle resolution is up to 29 mu m, uses the LCD of high resolution to carry out photocuring imaging control, realizes the high accuracy printing of XY direction, improves the printing accuracy of 3D printer in XY direction.
Preferably, the lifting platform adopts a C7-level aviation aluminum screw rod.
Through adopting above-mentioned technical scheme, the elevating platform adopts C7 level aviation aluminium lead screw, realizes 30 mu m's Z axle printing precision, and photosensitive resin solidifies on the elevating platform, and the elevating platform that C7 level aviation aluminium lead screw made upwards promotes altogether easily, improves the printing precision of 3D printer in the Z direction.
Preferably, the light-equalizing plate is made of a composite high-light-transmittance material.
By adopting the technical scheme, the light homogenizing plate is made of the composite high-transmittance material, so that the light loss of the LED array light source is further reduced, and the light curing 3D printing efficiency is improved.
Preferably, the resin trough is made of transparent teflon materials.
Through adopting above-mentioned technical scheme, the resin silo adopts transparent teflon material, and transparent teflon material can improve the transmissivity of light, and the photosensitive resin after the solidification is not stained with teflon material, makes things convenient for the promotion of elevating platform, improves the printing efficiency of 3D printer.
In summary, the present application includes at least one of the following beneficial technical effects:
a light-equalizing plate is arranged on one side of the LED array light source, which is close to the LCD liquid crystal screen, and the light-equalizing plate converts a point light source of the LED array light source into a surface light source by utilizing the light scattering effect of nano particles dispersed in the light guide plate, so that the stability of photo-curing 3D printing is improved;
the LCD liquid crystal screen is used for imaging, the highest resolution reaches 8K, the XY axis resolution reaches 29 mu m, the high-resolution LCD liquid crystal screen is used for photo-curing imaging control, high-precision printing in the XY direction is realized, and the printing precision of the 3D printer in the XY direction is improved;
the lifting platform adopts the C7-level aviation aluminum screw rod to realize the Z-axis printing precision of 30 mu m, photosensitive resin is solidified on the lifting platform, and the lifting platform made of the C7-level aviation aluminum screw rod is easy to lift upwards, so that the printing precision of the 3D printer in the Z direction is improved.
Drawings
FIG. 1 is an overall schematic of a photocurable 3D printer with replaceable light sources;
reference numerals: 1. a lifting table; 2. LED array a light source; 3. LCD liquid crystal screen; 4. a photosensitive resin; 5. a light equalizing plate; 6. resin trough.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1.
The embodiment of the application discloses a photocuring 3D printer of removable light source.
Referring to fig. 1, a light source-replaceable light-curing 3D printer comprises a lifting table 1 and an LED array light source 2, wherein an LCD liquid crystal screen 3 is installed on one side of the LED array light source 2, which is close to the lifting table 1, the surface of the LCD liquid crystal screen 3 is flat, the LCD liquid crystal screen 3 performs imaging, the highest resolution reaches 8k, the XY axis resolution is as high as 29 μm, the high-resolution LCD liquid crystal screen 3 is used for performing light curing imaging control, high-precision printing in the XY direction is realized, and the printing precision of the 3D printer in the XY direction is improved.
The LED array light source 2 is used as a light source for photo-curing 3D printing, irradiates on the LCD liquid crystal screen 3, the LCD liquid crystal screen 3 is used as a grating for imaging control, the cured photosensitive resin 4 is fixed on the lifting platform 1, the height of a workpiece is increased by controlling the lifting platform 1, the thickness control of a printing layer can be realized by the lifting height of the lifting platform 1 each time, the lifting platform 1 adopts a C7-level aviation aluminum screw rod, the Z-axis printing precision of 30 mu m is realized, the photosensitive resin 4 is cured on the lifting platform 1, the lifting platform 1 made of the C7-level aviation aluminum screw rod is lifted upwards easily, and the printing precision of the 3D printer in the Z direction is improved.
The light-equalizing plate 5 is installed on one side of the LED array light source 2, which is close to the LCD liquid crystal screen 3, the light-equalizing plate 5 is made of composite high-light-transmittance materials, the light-equalizing plate 5 converts a point light source of the LED array light source 2 into a surface light source by utilizing the light scattering effect of nano particles dispersed in the light guide plate, a resin trough 6 is installed between the photosensitive resin 4 and the LCD liquid crystal screen 3, the photosensitive resin 4 is placed in the resin trough 6, the resin trough 6 has the function of storing the photosensitive resin 4, the resin trough 6 is made of transparent Teflon materials, the transparent Teflon materials can improve the light transmittance, and the cured photosensitive resin 4 is not sticky to the Teflon materials, so that a sufficient quantity of photosensitive resin 4 can be stored in the resin trough, the photosensitive resin 4 is prevented from being added for a plurality of times in the photo-curing 3D printing process, and the use convenience of the printer is improved.
The LED array light source 2 can realize the printing of the photosensitive resin 4 materials with different wavelengths through changing the light sources with different wavelengths, the light sources are the LED array light source 2, the energy is saved, the environment is protected, the replacement is convenient, the ultraviolet LED light can be replaced to the visible LED light according to the needs, so that the requirements of printing the ultraviolet photosensitive resin 4 to the visible light photosensitive resin 4 can be realized, the LED array light source 2 can realize the printing of the photosensitive resin 4 materials with different wavelengths through changing the light sources with different wavelengths, and the defect of single light wavelength of the 3D printing equipment is solved.
The implementation principle of the photocuring 3D printer with the replaceable lamplight source disclosed by the embodiment of the application is as follows: firstly, photosensitive resin 4 is stored in a resin trough 6, an LED array light source 2 with proper wavelength is selected, light is emitted to a light-equalizing plate 5 through the LED array light source 2, the light is uniformly dispersed by the light-equalizing plate 5, good light uniformity is achieved, then the display pattern of an LCD (liquid crystal display) screen 3 is controlled, namely, the deflection angle of part of liquid crystal is changed, the light emitted by the LED array light source 2 passes through the deflected liquid crystal and irradiates on a photosensitive resin 4 material, single-layer curing and forming are completed, finally, after exposure and curing of the photosensitive resin 4 are completed through controlling a lifting table 1, the lifting table 1 is moved upwards for a fixed distance, and as the resin trough 6 adopts a transparent Teflon material and is not adhered to the photosensitive resin 4, the lifting table 1 is easy to move upwards. Repeating the steps, and performing single-layer curing molding on the printing material again, and completing 3D printing of the stereoscopic model after completing a plurality of cycles.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. Light curing 3D printer of removable light source, including elevating platform (1) and LED array light source (2), its characterized in that: an LCD (liquid crystal display) screen (3) is arranged on one side, close to the lifting table (1), of the LED array light source (2), the surface of the LCD screen (3) is flat, photosensitive resin (4) is arranged on one side, close to the lifting table (1), of the LCD liquid crystal, and the lifting table (1) is tightly connected with the photosensitive resin (4); and a light equalizing plate (5) is arranged on one side of the LED array light source (2) close to the LCD (liquid crystal display) screen (3).
2. The photocuring 3D printer with the replaceable lamplight source according to claim 1, wherein a resin trough (6) is arranged between the photosensitive resin (4) and the LCD liquid crystal screen (3), and the photosensitive resin (4) is placed in the resin trough (6).
3. A photo-curing 3D printer with replaceable light sources according to claim 1, characterized in that the LCD-panel (3) is a high resolution LCD-panel (3).
4. A photo-curing 3D printer with replaceable light sources according to claim 1, characterized in that the lifting table (1) adopts a C7 class aviation aluminium screw.
5. The photocuring 3D printer with the replaceable lamplight source according to claim 1, wherein the light equalizing plate (5) is made of a composite high-light-transmittance material.
6. A photo-curing 3D printer with replaceable light sources according to claim 2, characterized in that the resin vat (6) is made of transparent teflon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321994644.8U CN220742151U (en) | 2023-07-27 | 2023-07-27 | Light source-replaceable light-cured 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321994644.8U CN220742151U (en) | 2023-07-27 | 2023-07-27 | Light source-replaceable light-cured 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220742151U true CN220742151U (en) | 2024-04-09 |
Family
ID=90563469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321994644.8U Active CN220742151U (en) | 2023-07-27 | 2023-07-27 | Light source-replaceable light-cured 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220742151U (en) |
-
2023
- 2023-07-27 CN CN202321994644.8U patent/CN220742151U/en active Active
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