WO2021258524A1 - Tiled light source for multi-sized photocuring 3d printer - Google Patents

Tiled light source for multi-sized photocuring 3d printer Download PDF

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Publication number
WO2021258524A1
WO2021258524A1 PCT/CN2020/110131 CN2020110131W WO2021258524A1 WO 2021258524 A1 WO2021258524 A1 WO 2021258524A1 CN 2020110131 W CN2020110131 W CN 2020110131W WO 2021258524 A1 WO2021258524 A1 WO 2021258524A1
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WIPO (PCT)
Prior art keywords
light
independent
light source
lamp
convex
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PCT/CN2020/110131
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French (fr)
Chinese (zh)
Inventor
洪英盛
黄伟伦
Original Assignee
深圳市智能派科技有限公司
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Publication of WO2021258524A1 publication Critical patent/WO2021258524A1/en

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Classifications

    • 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
    • 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
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/264—Arrangements for irradiation
    • 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
    • B29C64/30—Auxiliary operations or equipment
    • 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

Definitions

  • the invention relates to the field of 3D printing, in particular to a splicing light source for a multi-size light curing 3D printer.
  • a light source In 3D printing technology, a light source is required.
  • Existing large-size light-curing 3D printing light sources are used with dozens of lamp beads integrated into one lamp board. If one of the lamp beads is damaged, the entire lamp board needs to be replaced, and the replacement cost is high.
  • dozens of lamp beads are integrated in a lamp board, and the lamp beads are different and cannot be adjusted to a relatively ideal state, the uniformity of the assembled light source is poor, and the printing accuracy is low.
  • large-size integrated lenses that are not necessarily suitable for light-curing 3D printing on the market, and large-size integrated lenses are expensive and difficult to process.
  • the technical problem to be solved by the present invention is to provide a multi-size light curing 3D printer splicing light source, multiple optical lenses are spliced into large-size optical lenses, modular components, easy to adjust, excellent light uniformity, and compatible with color screens and black and white at the same time Screen 3D printer.
  • a multi-size light curing 3D printer splicing light source comprising an optical lens assembly and a light board assembly, the light board assembly is located in the optical lens assembly bracket.
  • the light board assembly includes a plurality of independent light boards, and each of the independent light boards is arranged side by side.
  • the number of the independent light boards is at least two.
  • the optical lens assembly includes a first lens holder and a plurality of independent hemispherical convex lenses, and the first lens holder is provided with independent hemispheres. There are one-to-one corresponding installation grooves for the convex mirrors, and a lamp bead is arranged under each of the independent hemispherical convex mirrors.
  • the optical lens assembly includes a second lens holder and a conjoined convex lens block, and the conjoined convex lens block is arranged on the second lens holder ,
  • the conjoined convex mirror block is composed of a plurality of convex mirrors, each adjacent convex mirror is connected to each other, the top surface of the convex mirror is a circular arc convex surface, the four side surfaces and the bottom surface of the convex mirror are flat surfaces, each There is a lamp bead under the convex mirror.
  • the optical lens assembly is composed of a plurality of integrated lamp cup lenses, and each of the integrated lamp cup lenses is located on a lamp bead.
  • the spliced light source of the multi-size light curing 3D printer further includes a heat sink, and each of the independent light boards is located on the heat sink.
  • the present invention uses multiple small-size light sources to be spliced into large-size light sources, which is convenient for production and maintenance, uses multiple drive chips to drive at the same time, and can individually adjust each small light board, with excellent light source uniformity .
  • Split lens simple production and low cost, splicing and using light-curing 3D printers of different sizes.
  • the optical lens is used to shape the light, and the collimated light is good, the angle is small, and it can be compatible with both color screen and black and white screen light curing 3D printers.
  • Figure 1 is a schematic diagram of the explosive structure of the first embodiment of the present invention.
  • Figure 2 is a schematic diagram of the exploded structure of the second embodiment of the present invention.
  • Fig. 3 is a schematic diagram of the exploded structure of the third embodiment of the present invention.
  • this embodiment provides a splicing light source for a multi-size light curing 3D printer, which includes an optical lens assembly and a light board assembly 31, and the light board assembly 31 is located below the optical lens assembly.
  • the optical lens assembly includes a first lens holder 21 and a plurality of independent hemispherical convex lenses 11.
  • the first lens holder 21 is provided with a mounting groove corresponding to each independent hemispherical convex lens 11, and each independent hemispherical lens 11
  • the light board assembly 31 includes two independent light boards (actually at least 2), and each of the independent light boards is arranged side by side. Multiple driving chips are used to drive each corresponding independent light board at the same time, and each independent light board can be adjusted separately, which is convenient for production and later maintenance. A number of lamp beads are evenly arranged on each of the independent lamp boards.
  • the lamp bead chip of the lamp board assembly covers various single lamp bead size packages (such as 3535 package, imitation lumen package, etc.), and the angles of the lamp bead of the lamp board assembly are 60°, 120°, 140°, etc.
  • a heat sink 41 is arranged under the light board assembly 31, an independent light board is located on the heat sink 41, and a number of side-by-side heat sink fins are arranged under the heat sink 41 to improve heat dissipation efficiency.
  • the independent hemispherical convex lens 11 is located on the installation groove of the first lens holder 21.
  • the installation groove is circular, and the installation groove is a through hole communicating up and down.
  • Each independent hemispherical convex lens 11 can diverge the lower lamp beads. The light is converted into collimated light, and the collimated light is then irradiated to the upper curing resin, which can improve the accuracy of printing.
  • this embodiment provides a multi-size light curing 3D printer splicing light source, which includes an optical lens assembly and a light board assembly 32, and the light board assembly 32 is located under the optical lens assembly 12.
  • the optical lens assembly is composed of a plurality of integrated lamp cup lenses 12, and each of the integrated lamp cup lenses 12 is respectively located on a lamp bead of the lamp board assembly 32.
  • the integrated lamp cup lens 12 is actually a hemispherical lens set in a cup with a large upper and a smaller cup. The bottom of each cup is clamped on a lamp bead of the lamp board assembly 32. This method does not require an embodiment.
  • the first lens holder in No. 1 is a direct installation method.
  • the integrated lamp cup lens 12 converts the light diverging from the lower lamp bead into collimated light, and then the collimated light irradiates the upper curing resin, which can improve the accuracy of printing.
  • the light board assembly 32 includes 3 independent light boards (actually at least 2), and each of the independent light boards is arranged side by side. Multiple drive chips are used to drive each corresponding independent light board at the same time, and each independent light board can be adjusted separately, which is convenient for production and later maintenance. A number of lamp beads are evenly arranged on each of the independent lamp boards.
  • the lamp bead chip of the lamp board assembly 32 covers various single lamp bead size packages (such as 3535 package, imitation lumen package, etc.), and the angles of the lamp bead of the lamp board assembly are 60°, 120°, 140°, etc.
  • a heat sink 42 is arranged under the light board assembly 32, and the independent light board is located on the heat sink 42.
  • a number of side-by-side heat sink fins are arranged under the heat sink to improve heat dissipation efficiency.
  • this embodiment provides a multi-size light curing 3D printer splicing light source, which includes an optical lens assembly and a light board assembly 33, and the light board assembly 33 is located below the optical lens assembly.
  • the optical lens assembly includes a second lens holder 23 and a conjoined convex lens block 13.
  • the conjoined convex lens block 13 is arranged on the second lens holder 23, and the conjoined convex lens block 13 is composed of a plurality of convex lenses,
  • the adjacent convex mirrors are connected to each other, the top surface of the convex mirror is a circular arc convex surface, the four side surfaces and the bottom surface of the convex mirror are flat surfaces, and a lamp bead of the lamp board assembly 33 is located under each convex mirror .
  • the optical convex lens can convert the light diverging from the lower lamp beads into collimated light, and then the collimated light irradiates the cured resin above, which can improve the accuracy of printing.
  • the light board assembly 33 includes 3 independent light boards (actually at least 2), and each of the independent light boards is arranged side by side. Multiple drive chips are used to drive each corresponding independent light board at the same time, and each independent light board can be adjusted separately, which is convenient for production and later maintenance. A number of lamp beads are evenly arranged on each of the independent lamp boards.
  • the lamp bead chip of the lamp board assembly covers various single lamp bead size packages (such as 3535 package, imitation lumen package, etc.), and the angles of the lamp bead of the lamp board assembly are 60°, 120°, 140°, etc.
  • a heat sink 43 is arranged under the light board assembly 33, an independent light board is located on the heat sink 43, and a number of side-by-side heat sink fins are arranged under the heat sink 43 to improve heat dissipation efficiency.
  • the principle of the present invention is: light is emitted from the lamp beads on each independent lamp board, irradiated into the optical lens assembly, and then the divergent light is shaped through the optical lens assembly to obtain collimated light suitable for light curing 3D printers, and the angle of light Small, suitable for light-curing 3D printers with color screens and black and white screens.
  • the lamp panel assembly of the present invention is composed of several small-sized independent lamp panels, different numbers of independent lamp panels can be spliced to form a large-sized light source, which is suitable for light curing 3D printers of various sizes. Such as 5.5 inch, 8.9 inch, 10.1 inch, 12.5 inch and many other size 3D printers.
  • the present invention uses multiple small-size light sources to be spliced into large-size light sources, which is convenient for production and maintenance, uses multiple drive chips to drive at the same time, and can individually adjust each small light board, with excellent light source uniformity .
  • Split lens simple production and low cost, splicing and using light-curing 3D printers of different sizes.
  • the optical lens is used to shape the light, and the collimated light is good, the angle is small, and it can be compatible with both color screen and black and white screen light curing 3D printers.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)

Abstract

A tiled light source for a multi-sized photocuring 3D printer, comprising an optical lens assembly (12) and lamp panel assemblies (31, 32, 33); the lamp panel assemblies (31, 32, 33) are located below the optical lens assembly (12), the lamp panel assemblies (31, 32, 33) comprise several independent lamp panels, and the independent lamp panels are arranged side by side. Multiple small-sized light sources are used to be tiled into a large-sized light source for use, facilitating production and maintenance; and multiple driving chips are used for simultaneous driving, and each small lamp panel can be adjusted independently, achieving good uniformity of the light sources. Split-type lenses achieve simple production and low cost, and are used in a tiling manner so as to be applicable to photocuring 3D printers of different sizes. Optical lenses are used for shaping light rays, so as to obtain a photocuring 3D printer which has good collimated light rays and a small angle, and is compatible with both a color screen and a black-and-white screen.

Description

一种多尺寸光固化3D打印机拼接光源Multi-size light-curing 3D printer splicing light source 技术领域Technical field
本发明涉及3D打印领域，尤其涉及的是一种多尺寸光固化3D打印机拼接光源。 The invention relates to the field of 3D printing, in particular to a splicing light source for a multi-size light curing 3D printer.
背景技术Background technique
3D打印技术中，都需要使用光源。现有的大尺寸光固化3D打印光源都是几十颗灯珠集成一个灯板中使用，如果其中一颗灯珠损坏，整个灯板都需要更换，更换成本高。并且，几十颗灯珠集成在一个灯板中，灯珠存在差异性，无法调节到相对理想的状态，组装整体光源的均匀度较差，打印精度低。除了光源外，市面上不一定适用于光固化3D打印的大尺寸一体透镜，而且大尺寸一体透镜的造价成本高，加工难度大。In 3D printing technology, a light source is required. Existing large-size light-curing 3D printing light sources are used with dozens of lamp beads integrated into one lamp board. If one of the lamp beads is damaged, the entire lamp board needs to be replaced, and the replacement cost is high. In addition, dozens of lamp beads are integrated in a lamp board, and the lamp beads are different and cannot be adjusted to a relatively ideal state, the uniformity of the assembled light source is poor, and the printing accuracy is low. In addition to light sources, large-size integrated lenses that are not necessarily suitable for light-curing 3D printing on the market, and large-size integrated lenses are expensive and difficult to process.
因此，现有技术存在缺陷，需要改进。Therefore, the prior art has defects and needs to be improved.
技术解决方案Technical solutions
本发明所要解决的技术问题是：提供一种多尺寸光固化3D打印机拼接光源，多个光学透镜拼接成大尺寸光学透镜，模块化组件，易于调整，光线均匀度优良，能同时兼容彩屏和黑白屏的3D打印机。The technical problem to be solved by the present invention is to provide a multi-size light curing 3D printer splicing light source, multiple optical lenses are spliced into large-size optical lenses, modular components, easy to adjust, excellent light uniformity, and compatible with color screens and black and white at the same time Screen 3D printer.
本发明的技术方案如下：一种多尺寸光固化3D打印机拼接光源，包括光学透镜组件、灯板组件，所述灯板组件位于光学透镜组件支架。The technical solution of the present invention is as follows: a multi-size light curing 3D printer splicing light source, comprising an optical lens assembly and a light board assembly, the light board assembly is located in the optical lens assembly bracket.
所述灯板组件包括若干独立灯板，各所述独立灯板并排设置。The light board assembly includes a plurality of independent light boards, and each of the independent light boards is arranged side by side.
采用上述各个技术方案，所述的多尺寸光固化3D打印机拼接光源中，所述独立灯板的数量为至少2块。By adopting the above technical solutions, in the spliced light source of the multi-size light curing 3D printer, the number of the independent light boards is at least two.
采用上述各个技术方案，所述的多尺寸光固化3D打印机拼接光源中，各所述独立灯板上分别均匀设置有若干灯珠。By adopting the above technical solutions, in the spliced light source of the multi-size light curing 3D printer, a plurality of lamp beads are uniformly arranged on each of the independent lamp panels.
采用上述各个技术方案，所述的多尺寸光固化3D打印机拼接光源中，所述光学透镜组件包括第一透镜支架和若干独立半球形凸镜，所述第一透镜支架上设置有与各独立半球形凸镜一一对应的安装槽，各所述独立半球形凸镜下方有一个灯珠。Using the above technical solutions, in the spliced light source of the multi-size light-curing 3D printer, the optical lens assembly includes a first lens holder and a plurality of independent hemispherical convex lenses, and the first lens holder is provided with independent hemispheres. There are one-to-one corresponding installation grooves for the convex mirrors, and a lamp bead is arranged under each of the independent hemispherical convex mirrors.
采用上述各个技术方案，所述的多尺寸光固化3D打印机拼接光源中，所述光学透镜组件包括第二透镜支架和连体凸镜块，所述连体凸镜块设于第二透镜支架上，所述连体凸镜块由若干凸镜组成，各相邻的凸镜彼此连接，所述凸镜的顶面为圆弧凸面，所述凸镜的四个侧面以及底面为平面，各所述凸镜的下方有一个灯珠。Using the above technical solutions, in the spliced light source for the multi-size light-curing 3D printer, the optical lens assembly includes a second lens holder and a conjoined convex lens block, and the conjoined convex lens block is arranged on the second lens holder , The conjoined convex mirror block is composed of a plurality of convex mirrors, each adjacent convex mirror is connected to each other, the top surface of the convex mirror is a circular arc convex surface, the four side surfaces and the bottom surface of the convex mirror are flat surfaces, each There is a lamp bead under the convex mirror.
采用上述各个技术方案，所述的多尺寸光固化3D打印机拼接光源中，光学透镜组件由若干一体灯杯透镜组成，各所述一体灯杯透镜分别位于一个灯珠上Using the above technical solutions, in the spliced light source of the multi-size light-curing 3D printer, the optical lens assembly is composed of a plurality of integrated lamp cup lenses, and each of the integrated lamp cup lenses is located on a lamp bead.
采用上述各个技术方案，所述的多尺寸光固化3D打印机拼接光源中，还包括散热片，各所述独立灯板位于散热片上。Using the above technical solutions, the spliced light source of the multi-size light curing 3D printer further includes a heat sink, and each of the independent light boards is located on the heat sink.
有益效果Beneficial effect
采用上述各个技术方案，本发明使用多个小尺寸光源拼接成大尺寸光源使用，生产和维修方便，使用多个驱动芯片同时驱动，可以单独对每一小块灯板进行调节，光源均匀度优良。分体式透镜，生产简单成本低，拼接使用适用不同尺寸的光固化3D打印机。使用光学透镜对光线进行整形，得到准直光线好，角度小，能同时兼容彩屏和黑白屏的光固化3D打印机。Using the above technical solutions, the present invention uses multiple small-size light sources to be spliced into large-size light sources, which is convenient for production and maintenance, uses multiple drive chips to drive at the same time, and can individually adjust each small light board, with excellent light source uniformity . Split lens, simple production and low cost, splicing and using light-curing 3D printers of different sizes. The optical lens is used to shape the light, and the collimated light is good, the angle is small, and it can be compatible with both color screen and black and white screen light curing 3D printers.
附图说明Description of the drawings
图1为本发明的第一实施例***结构示意图；Figure 1 is a schematic diagram of the explosive structure of the first embodiment of the present invention;
图2为本发明的第二实施例***结构示意图；Figure 2 is a schematic diagram of the exploded structure of the second embodiment of the present invention;
图3为本发明的第三实施例***结构示意图。Fig. 3 is a schematic diagram of the exploded structure of the third embodiment of the present invention.
本发明的实施方式Embodiments of the present invention
以下结合附图和具体实施例，对本发明进行详细说明。Hereinafter, the present invention will be described in detail with reference to the drawings and specific embodiments.
实施例一Example one
如图1，本实施例提供了一种多尺寸光固化3D打印机拼接光源，包括光学透镜组件、灯板组件31，所述灯板组件31位于光学透镜组件下方。所述光学透镜组件包括第一透镜支架21和若干独立半球形凸镜11，所述第一透镜支架21上设置有与各独立半球形凸镜11一一对应的安装槽，各所述独立半球形凸镜11下方有灯板组件31的一个灯珠。As shown in FIG. 1, this embodiment provides a splicing light source for a multi-size light curing 3D printer, which includes an optical lens assembly and a light board assembly 31, and the light board assembly 31 is located below the optical lens assembly. The optical lens assembly includes a first lens holder 21 and a plurality of independent hemispherical convex lenses 11. The first lens holder 21 is provided with a mounting groove corresponding to each independent hemispherical convex lens 11, and each independent hemispherical lens 11 There is a lamp bead of the lamp board assembly 31 under the convex mirror 11.
如图1，所述灯板组件31包括2块独立灯板（实际上为至少2块），各所述独立灯板并排设置。使用多个驱动芯片分别同时驱动各对应的独立灯板，可以单独对每个独立灯板进行调节，便于生产以及后期维修等。各所述独立灯板上分别均匀设置有若干灯珠。所述灯板组件的灯珠芯片涵盖各种单灯珠的尺寸封装（如3535封装，仿流明封装等），灯板组件的灯珠的角度为60°，120°，140°等角度。As shown in FIG. 1, the light board assembly 31 includes two independent light boards (actually at least 2), and each of the independent light boards is arranged side by side. Multiple driving chips are used to drive each corresponding independent light board at the same time, and each independent light board can be adjusted separately, which is convenient for production and later maintenance. A number of lamp beads are evenly arranged on each of the independent lamp boards. The lamp bead chip of the lamp board assembly covers various single lamp bead size packages (such as 3535 package, imitation lumen package, etc.), and the angles of the lamp bead of the lamp board assembly are 60°, 120°, 140°, etc.
灯板组件31下方设置有散热片41，独立灯板位于散热片41上，散热片41下方设置有若干并排的散热鳍片，提高散热效率。A heat sink 41 is arranged under the light board assembly 31, an independent light board is located on the heat sink 41, and a number of side-by-side heat sink fins are arranged under the heat sink 41 to improve heat dissipation efficiency.
如图1，独立半球形凸镜11位于第一透镜支架21的安装槽上，安装槽为圆形，且安装槽为上下相通的通孔，各独立半球形凸镜11可以将下方灯珠发散的光线转换成准直光线，准直光线再照射到上方的固化树脂，能提高打印的精度。As shown in Figure 1, the independent hemispherical convex lens 11 is located on the installation groove of the first lens holder 21. The installation groove is circular, and the installation groove is a through hole communicating up and down. Each independent hemispherical convex lens 11 can diverge the lower lamp beads. The light is converted into collimated light, and the collimated light is then irradiated to the upper curing resin, which can improve the accuracy of printing.
实施例二Example two
如图2，本实施例提供了一种多尺寸光固化3D打印机拼接光源，包括光学透镜组件、灯板组件32，所述灯板组件32位于光学透镜组件12下方。所述光学透镜组件由若干一体灯杯透镜12组成，各所述一体灯杯透镜12分别位于灯板组件32的一个灯珠上。As shown in FIG. 2, this embodiment provides a multi-size light curing 3D printer splicing light source, which includes an optical lens assembly and a light board assembly 32, and the light board assembly 32 is located under the optical lens assembly 12. The optical lens assembly is composed of a plurality of integrated lamp cup lenses 12, and each of the integrated lamp cup lenses 12 is respectively located on a lamp bead of the lamp board assembly 32.
如图2，一体灯杯透镜12实际为一个上大下小的杯体中设置半球形透镜，每一个杯体的底部卡在灯板组件32的一个灯珠上，此种方式不需要实施例一中的第一透镜支架，为直接安装方式。一体灯杯透镜12将下方灯珠发散的光线转换成准直光线，准直光线再照射到上方的固化树脂，能提高打印的精度。As shown in Figure 2, the integrated lamp cup lens 12 is actually a hemispherical lens set in a cup with a large upper and a smaller cup. The bottom of each cup is clamped on a lamp bead of the lamp board assembly 32. This method does not require an embodiment. The first lens holder in No. 1 is a direct installation method. The integrated lamp cup lens 12 converts the light diverging from the lower lamp bead into collimated light, and then the collimated light irradiates the upper curing resin, which can improve the accuracy of printing.
如图2，所述灯板组件32包括3块独立灯板（实际上为至少2块），各所述独立灯板并排设置。使用多个驱动芯片分别同时驱动各对应的独立灯板，可以单独对每个独立灯板进行调节，便于生产以及后期维修等。各所述独立灯板上分别均匀设置有若干灯珠。所述灯板组件32的灯珠芯片涵盖各种单灯珠的尺寸封装（如3535封装，仿流明封装等），灯板组件的灯珠的角度为60°，120°，140°等角度。As shown in FIG. 2, the light board assembly 32 includes 3 independent light boards (actually at least 2), and each of the independent light boards is arranged side by side. Multiple drive chips are used to drive each corresponding independent light board at the same time, and each independent light board can be adjusted separately, which is convenient for production and later maintenance. A number of lamp beads are evenly arranged on each of the independent lamp boards. The lamp bead chip of the lamp board assembly 32 covers various single lamp bead size packages (such as 3535 package, imitation lumen package, etc.), and the angles of the lamp bead of the lamp board assembly are 60°, 120°, 140°, etc.
灯板组件32下方设置有散热片42，独立灯板位于散热片42上，散热片下方设置有若干并排的散热鳍片，提高散热效率。A heat sink 42 is arranged under the light board assembly 32, and the independent light board is located on the heat sink 42. A number of side-by-side heat sink fins are arranged under the heat sink to improve heat dissipation efficiency.
实施例三Example three
如图3，本实施例提供了一种多尺寸光固化3D打印机拼接光源，包括光学透镜组件、灯板组件33，所述灯板组件33位于光学透镜组件下方。所述光学透镜组件包括第二透镜支架23和连体凸镜块13，所述连体凸镜块13设于第二透镜支架23上，所述连体凸镜块13由若干凸镜组成，各相邻的凸镜彼此连接，所述凸镜的顶面为圆弧凸面，所述凸镜的四个侧面以及底面为平面，各所述凸镜的下方有灯板组件33的一个灯珠。光学凸镜可以将下方灯珠发散的光线转换成准直光线，准直光线再照射到上方的固化树脂，能提高打印的精度。As shown in FIG. 3, this embodiment provides a multi-size light curing 3D printer splicing light source, which includes an optical lens assembly and a light board assembly 33, and the light board assembly 33 is located below the optical lens assembly. The optical lens assembly includes a second lens holder 23 and a conjoined convex lens block 13. The conjoined convex lens block 13 is arranged on the second lens holder 23, and the conjoined convex lens block 13 is composed of a plurality of convex lenses, The adjacent convex mirrors are connected to each other, the top surface of the convex mirror is a circular arc convex surface, the four side surfaces and the bottom surface of the convex mirror are flat surfaces, and a lamp bead of the lamp board assembly 33 is located under each convex mirror . The optical convex lens can convert the light diverging from the lower lamp beads into collimated light, and then the collimated light irradiates the cured resin above, which can improve the accuracy of printing.
如图3，所述灯板组件33包括3块独立灯板（实际上为至少2块），各所述独立灯板并排设置。使用多个驱动芯片分别同时驱动各对应的独立灯板，可以单独对每个独立灯板进行调节，便于生产以及后期维修等。各所述独立灯板上分别均匀设置有若干灯珠。所述灯板组件的灯珠芯片涵盖各种单灯珠的尺寸封装（如3535封装，仿流明封装等），灯板组件的灯珠的角度为60°，120°，140°等角度。As shown in FIG. 3, the light board assembly 33 includes 3 independent light boards (actually at least 2), and each of the independent light boards is arranged side by side. Multiple drive chips are used to drive each corresponding independent light board at the same time, and each independent light board can be adjusted separately, which is convenient for production and later maintenance. A number of lamp beads are evenly arranged on each of the independent lamp boards. The lamp bead chip of the lamp board assembly covers various single lamp bead size packages (such as 3535 package, imitation lumen package, etc.), and the angles of the lamp bead of the lamp board assembly are 60°, 120°, 140°, etc.
灯板组件33下方设置有散热片43，独立灯板位于散热片43上，散热片43下方设置有若干并排的散热鳍片，提高散热效率。A heat sink 43 is arranged under the light board assembly 33, an independent light board is located on the heat sink 43, and a number of side-by-side heat sink fins are arranged under the heat sink 43 to improve heat dissipation efficiency.
本发明的原理为：通过各独立灯板上的灯珠发出光线，照射到光学透镜组件中，再经过光学透镜组件对发散的光线进行整形，得到适合光固化3D打印机的准直光线，光线角度小，适用于彩屏和黑白屏的光固化3D打印机。The principle of the present invention is: light is emitted from the lamp beads on each independent lamp board, irradiated into the optical lens assembly, and then the divergent light is shaped through the optical lens assembly to obtain collimated light suitable for light curing 3D printers, and the angle of light Small, suitable for light-curing 3D printers with color screens and black and white screens.
由于本发明的灯板组件为若干小尺寸独立灯板组成，因此，可以通过不同数量的独立灯板进行拼接形成大尺寸光源，适应各种不同尺寸的光固化3D打印机。如5.5寸，8.9寸，10.1寸，12.5寸等多种尺寸3D打印机。Since the lamp panel assembly of the present invention is composed of several small-sized independent lamp panels, different numbers of independent lamp panels can be spliced to form a large-sized light source, which is suitable for light curing 3D printers of various sizes. Such as 5.5 inch, 8.9 inch, 10.1 inch, 12.5 inch and many other size 3D printers.
采用上述各个技术方案，本发明使用多个小尺寸光源拼接成大尺寸光源使用，生产和维修方便，使用多个驱动芯片同时驱动，可以单独对每一小块灯板进行调节，光源均匀度优良。分体式透镜，生产简单成本低，拼接使用适用不同尺寸的光固化3D打印机。使用光学透镜对光线进行整形，得到准直光线好，角度小，能同时兼容彩屏和黑白屏的光固化3D打印机。Using the above technical solutions, the present invention uses multiple small-size light sources to be spliced into large-size light sources, which is convenient for production and maintenance, uses multiple drive chips to drive at the same time, and can individually adjust each small light board, with excellent light source uniformity . Split lens, simple production and low cost, splicing and using light-curing 3D printers of different sizes. The optical lens is used to shape the light, and the collimated light is good, the angle is small, and it can be compatible with both color screen and black and white screen light curing 3D printers.
以上仅为本发明的较佳实施例而已，并不用于限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. Inside.

Claims (7)

  1. 一种多尺寸光固化3D打印机拼接光源，其特征在于，包括光学透镜组件、灯板组件，所述灯板组件位于光学透镜组件下方；A splicing light source for a multi-size light-curing 3D printer, which is characterized by comprising an optical lens assembly and a light board assembly, and the light board assembly is located below the optical lens assembly;
    所述灯板组件包括若干独立灯板，各所述独立灯板并排设置。The light board assembly includes a plurality of independent light boards, and each of the independent light boards is arranged side by side.
  2. 根据权利要求1所述的多尺寸光固化3D打印机拼接光源，其特征在于，所述独立灯板的数量为至少2块。The spliced light source for a multi-size light-curing 3D printer according to claim 1, wherein the number of the independent light boards is at least two.
  3. 根据权利要求2所述的多尺寸光固化3D打印机拼接光源，其特征在于，各所述独立灯板上分别均匀设置有若干灯珠。The spliced light source for a multi-size light-curing 3D printer according to claim 2, wherein a plurality of lamp beads are uniformly arranged on each of the independent lamp panels.
  4. 根据权利要求3所述的多尺寸光固化3D打印机拼接光源，其特征在于，所述光学透镜组件包括第一透镜支架和若干独立半球形凸镜，所述第一透镜支架上设置有与各独立半球形凸镜一一对应的安装槽，各所述独立半球形凸镜下方有一个灯珠。The splicing light source for a multi-size photocuring 3D printer according to claim 3, wherein the optical lens assembly includes a first lens holder and a plurality of independent hemispherical convex mirrors, and the first lens holder is provided with independent hemispherical lenses. The hemispherical convex mirrors have one-to-one corresponding installation grooves, and a lamp bead is arranged under each of the independent hemispherical convex mirrors.
  5. 根据权利要求3所述的多尺寸光固化3D打印机拼接光源，其特征在于，所述光学透镜组件包括第二透镜支架和连体凸镜块，所述连体凸镜块设于第二透镜支架上，所述连体凸镜块由若干凸镜组成，各相邻的凸镜彼此连接，所述凸镜的顶面为圆弧凸面，所述凸镜的四个侧面以及底面为平面，各所述凸镜的下方有一个灯珠。The splicing light source for a multi-size light curing 3D printer according to claim 3, wherein the optical lens assembly includes a second lens holder and a conjoined convex lens block, and the conjoined convex lens block is arranged on the second lens holder Above, the conjoined convex mirror block is composed of a plurality of convex mirrors, each adjacent convex mirror is connected to each other, the top surface of the convex mirror is a circular arc convex surface, the four side surfaces and the bottom surface of the convex mirror are flat surfaces, each There is a lamp bead under the convex mirror.
  6. 根据权利要求3所述的多尺寸光固化3D打印机拼接光源，其特征在于，所述光学透镜组件由若干一体灯杯透镜组成，各所述一体灯杯透镜分别位于一个灯珠上。The spliced light source for a multi-size light curing 3D printer according to claim 3, wherein the optical lens assembly is composed of a plurality of integrated lamp cup lenses, and each of the integrated lamp cup lenses is located on a lamp bead.
  7. 根据权利要求4~6任一所述的多尺寸光固化3D打印机拼接光源，其特征在于，还包括散热片，各所述独立灯板位于散热片上。The spliced light source for a multi-size light-curing 3D printer according to any one of claims 4 to 6, characterized in that it further comprises a heat sink, and each of the independent light boards is located on the heat sink.
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