CN106863782A - DLP light curing 3D printing method for denture wax pattern - Google Patents

DLP light curing 3D printing method for denture wax pattern Download PDF

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Publication number
CN106863782A
CN106863782A CN201710200627.5A CN201710200627A CN106863782A CN 106863782 A CN106863782 A CN 106863782A CN 201710200627 A CN201710200627 A CN 201710200627A CN 106863782 A CN106863782 A CN 106863782A
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China
Prior art keywords
dlp
control unit
denture
table
led
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CN201710200627.5A
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Chinese (zh)
Inventor
高峰
曾胜山
郭川竹
孙俊
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深圳市家鸿口腔医疗股份有限公司
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Priority to CN201710200627.5A priority Critical patent/CN106863782A/en
Publication of CN106863782A publication Critical patent/CN106863782A/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/0003Making bridge-work, inlays, implants or the like
    • A61C13/0006Production methods
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/08Artificial teeth; Making same
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C7/00Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/02Lost patterns
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y50/00Data acquisition or data processing for additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y50/00Data acquisition or data processing for additive manufacturing
    • B33Y50/02Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes

Abstract

The invention discloses a DLP light curing 3D printing method for a denture wax pattern. The method comprises the steps: first, obtaining a three-dimensional digital model of the denture wax pattern, layering the three-dimensional digital model of the denture wax pattern according to the preset thickness by CAD/CAM software, and creating multiple layered images: second, inputting the multiple layered images created in the first step to a DLP light curing 3D printer for the denture wax pattern; third, controlling a workbench driving device through a control unit to drive a workbench to enter into a material chamber, thus enabling the distance between the bottom surface of the workbench and the horizontal inner wall surface of the bottom of the material chamber to be the thickness of one separated layer preset in the first step, and enabling a gap between the bottom surface of the workbench and the horizontal inner wall surface of the bottom of the material chamber to be full of light-sensitive material liquid; opening part of LED light-emitting diodes in an LED array, thus enabling the light-sensitive material liquid to be light-cured, completing the creation of the layered images, and finally completing the creation of the denture wax pattern.

Description

一种义齿蜡型DLP光固化3D打印方法 One kind of wax denture 3D DLP photocurable printing method

技术领域 FIELD

[0001] 本发明涉及义齿蜡型自动加工技术领域,具体涉及一种义齿蜡型DLP光固化3D打印方法。 [0001] The present invention relates to denture wax-automatic processing technology, and in particular relates to a photocurable dental wax DLP 3D printing method.

背景技术 Background technique

[0002] 失蜡铸造法是口腔金属修复体制作的传统方法,目前使用最为广泛。 [0002] lost wax casting method is the traditional method for dental prostheses made of metal, the most widely used. 其中,义齿蜡型的制作是口腔金属修复体制作的关键,对制作技术的要求最高,也是整个口腔金属修复体制作过程中最费时费力的环节。 Among them, the denture wax-up is the key to making dental restorations made of metal, the highest demands on production technology, but also the entire production process of metal dental restorations of the most time-consuming part. 义齿蜡型的形态复杂、结构精细、精度要求高,传统的手工制作方式不但耗时长、劳动强度大,而且无法保证最终获得的义齿的精度,手工制作方式受外界不稳定因素影响多,往往难以实现一些精巧复杂的设计。 Denture wax form complex, fine structure, high precision, traditional hand-made way not only time-consuming, labor-intensive, and can not guarantee the accuracy of the final obtained dentures, handmade way by external instability and more influence, often difficult achieve some sophisticated complex designs.

[0003] 义齿蜡型的机械加工方法包括数控切削加工和快速成形技术。 [0003] denture wax NC machining method comprising cutting and rapid prototyping technology. 数控切削加工的成本高,无法在临床上推广使用。 CNC machining of high cost, not to promote the use in clinical practice. 而且义齿蜡型的形状不规则、变化大,且存在很多细小的结构,目前的数控切削加工工艺水平在技术上无法达到临床上使用的要求。 And denture wax irregular shapes, changes, and there are many small structures, the current level of the CNC machining technology is technically not meet the requirements for clinical use. 快速成形技术包括激光选区熔化技术和数字光处理技术。 Rapid prototyping techniques include selective laser melting technology and digital light processing technology.

[0004] 激光选区恪化(Selective Laser Melting,SLM)技术借助于计算机辅助设计(Computer Aided Design,CAD)与制造,基于离散-分层-叠加的原理,利用高能激光束可以将金属粉末材料直接成形为致密的三维实体零件,成形过程不需要任何工装模具,也不受零件形状复杂程度的限制,是当今世界最先进的、发展速度最快的金属增材制造(Metal Addative Manufacturing,MAM)技术之一。 [0004] Selective Laser Verified of (Selective Laser Melting, SLM) technology by means of computer-aided design (Computer Aided Design, CAD) and manufacturing, based on the discrete - Layered - the principle of superposition, the use of high energy laser beam may be a metal powder material is directly forming a dense three-dimensional solid parts, forming process does not require any tooling, parts are not subject to the shape of the complexity of the restrictions, is the world's most advanced and fastest growing metal additive manufacturing (metal Addative manufacturing, MAM) technology one.

[0005] 虽然激光选区熔化技术基本满足了口腔临床对金属修复体快速、高效、精确加工的要求,但制作成本高、金属粉末的选择范围有限,现有的激光光斑大小还不能完全满足修复体的细节制作,而且在制作复杂支架时可能会存在翘曲变形,因此在临床推广受到了一定限制。 [0005] While selective laser melting technology basically meet the clinical oral fast, efficient and accurate processing requirements for metal prostheses, but the high production costs, limited choice of metal powder, a conventional laser spot size can not fully meet the prosthesis the details of the production, and there may be warping in the production of complex stand, so the clinic has been limited.

[0006] 数字光处理技术(Digital Light Processing,DLP)于1993年由美国TI公司发明, 该技术最初应用在投影显示方面,相比CRT、LCD技术的投影机,具有图像更加清晰、色彩更加丰富、图像亮度及对比度更高等优势。 [0006] Digital Light Processing (Digital Light Processing, DLP) in 1993 by the United States TI invention, the projection display technology was initially applied, compared CRT, LCD projector technology, an image with clearer, more colorful image brightness and higher contrast, and other advantages. 目前,DLP技术以扩展到3D打印机领域,以DLP技术发展出的3D打印技术具有打印速度快、打印精度高等特点。 Currently, 3D DLP technology to be extended to the field of printers, DLP technology to develop a 3D printing technology with fast print speed, print accuracy.

发明内容 SUMMARY

[0007] 为了克服现有技术中存在的问题,本发明提供一种义齿蜡型DLP光固化3D打印方法,提高了制造效率,能够单独控制光源的光强和温度,避免损坏加工的义齿蜡型。 [0007] In order to overcome the problems in the prior art, the present invention provides a light-curing denture wax DLP 3D printing method, to improve manufacturing efficiency, it can be individually controlled temperature and light intensity of the light, to avoid damage to processing denture wax .

[0008] 为实现上述目的,本发明所述的义齿蜡型DLP光固化3D打印方法包括以下步骤: [0009] 第一、获取义齿蜡型的三维数字模型,利用CAD/CAM软件将义齿蜡型的三维数字模型按照预定的厚度进行分层,制作多个分层图像; [0008] To achieve the above object, a denture wax-up of the present invention DLP 3D photocurable printing method comprising the steps of: [0009] First, obtain a denture wax-dimensional digital model using a CAD / CAM software denture wax three-dimensional digital model stratified by a predetermined thickness to produce a plurality of hierarchy pictures;

[0010] 第二、将第一步骤中制作的多个分层图像输入义齿蜡型DLP光固化3D打印机; [0010] Second, a plurality of hierarchy pictures produced in the first step of input denture wax photocurable 3D DLP printer;

[0011] 其中,所述的义齿蜡型DLP光固化3D打印机包括材料腔、工作台、工作台驱动装置、 控制单元和光源,所述的工作台设置在材料腔的上方,所述的光源设置在材料腔的下方,所述的光源包括LED安装板和LED阵列,所述的Lm)阵列安装在所述的LED安装板上;所述的材料腔内装有光敏材料液体;所述的工作台与所述的工作台驱动装置连接,所述的工作台驱动装置能够带动所述工作台在前后、左右和上下这三个维度上自由运动;所述的工作台驱动装置和所述的光源分别与所述的控制单元连接,所述的控制单元控制所述的工作台驱动装置进而控制所述的工作台的运动方向、运动距离和运动速度;所述的控制单元还控制所述光源的光强和温度; [0011] wherein said denture wax printers 3D DLP photocurable material comprises a cavity, a table, the table drive apparatus, and a light source control unit, a table disposed above the material cavity, said light source is provided LED material below the chamber, said light source comprises a LED mounting plate and the LED array, according to Lm) array mounted on said mounting plate; the photosensitive material is a material containing a liquid chamber; said table and drive means connected to said table, said table drive means can drive said work table in front, left and right and up-down free movement of these three dimensions; the light source and said table drive means, respectively, connected to the control unit of the workbench according to the driving control unit controls the movement direction of the table and thus the control of the movement distance and the movement speed of the device; said control means further controls said light source intensity and temperature;

[0012] 第三、所述的控制单元控制所述的工作台驱动装置带动所述的工作台进入所述的材料腔,使所述的工作台的底面与所述的材料腔的底部水平内壁面之间的距离为第一步骤中预定的一个分层的厚度,所述的工作台的底面与所述的材料腔的底部水平内壁面之间的空隙充满光敏材料液体;所述的控制单元进一步控制所述光源开启LED阵列中的部分LED发光二极管,被开启LED发光二极管与所述的义齿蜡型DLP光固化3D打印机接收到的多个分层图像中的第一个相对应,LED发光二极管发出的光线使所述的工作台的底面与所述的材料腔的底部水平内壁面之间的光敏材料液体光固化,完成第一个分层图像的制作;随后所述的控制单元控制所述的工作台驱动装置带动所述的工作台逐渐上升,每上升一个预定的分层厚度则所述的控制单元控制所述光源开启LED阵列中的与对应 The horizontal bottom [0012] Third, the table drive device drives the control unit controls the material into the cavity of the table so that the table bottom surface and a material chamber the distance between the wall surface in a first step of a layered predetermined thickness, a gap between the bottom horizontal inner wall surface of a bottom of the cavity material, the table is filled with a liquid photosensitive material; said control unit further controls the opening part of the LED light source is a light emitting diode LED arrays, light emitting diode LED is turned on with the photo-curable denture wax DLP a first plurality of hierarchy pictures of the received 3D printer corresponding to, LED light photosensitive material liquid between the inner wall surface of the bottom level of the bottom surface of the chamber material of the light emitted by the diode photocurable table, the first to complete the production of the layered image; then the control unit controls the driving means drives the table said table is gradually increased, the control unit controls each of a predetermined increase of the layer thickness of the LED is turned on the light source array corresponding to 的分层图像相对应的部分LED发光二极管,逐层完成所有分层图像的制作,最终完成义齿蜡型的制作。 The hierarchical image corresponding to the portion of the LED light-emitting diode, layer by layer to complete all produced layered images and the eventual denture wax production.

[0013] 所述的控制单元包括总线、RAM、R0M、CPU和GPU,所述的RAM、R0M、CTO和GPU通过总线实现相互之间的连接;CPU用于启动控制单元的操作系统,ROM中存储有用于启动控制单元的操作系统的命令集;当接通电源并输入开机命令时,CPU根据存储在ROM中的命令将操作系统从ROM中拷贝到RAM中并运行操作系统,当操作系统启动以后,(TU将多个程序拷贝到RAM中并运行这些程序,从而实现控制所述的工作台驱动装置进而控制所述的工作台的运动方向、运动距离和运动速度以及控制所述光源的光强和温度。 The control unit [0013] include the bus, RAM, R0M, CPU and GPU, the RAM, R0M, CTO and GPU connection between the one bus; the CPU to the operating system startup control unit, ROM in stores an operating system for activating the control unit of the command set; and when power is turned oN command input, the CPU operating system copied from ROM to RAM and runs the operating system stored in the ROM according to a command, the operating system starts when later, (the TU plurality of programs copied to the RAM and run these programs, thereby realizing the stage drive control means for controlling the direction of movement of the turn table, the moving distance and the moving speed of the light source and control intensity and temperature.

[0014] 所述的CPU还用于控制所述产生坐标值、形状数值、大小数值和颜色数值并存储在缓冲装置中,缓冲装置与所述的CPU双向通信,根据GPU产生的坐标值、形状数值、大小数值和颜色数值在显示装置上显示图像。 [0014] The CPU is further for controlling said generating coordinate value, shape value, size and color numerical values ​​and stored in the buffer means, CPU bidirectional communication with said cushioning device, GPU generated coordinate values, the shape of values, color values ​​and the size of numerical display image on the display device.

[0015] 所述的显示装置与所述的控制单元电连接,显示装置用于向用户显示所述的义齿蜡型DLP光固化3D打印机的运行图像。 [0015] The control unit is electrically connected with said display means, display means for displaying to a user said denture wax-up image of the 3D DLP photocurable operation of the printer.

[0016] 所述的控制单元还与水平检测传感器电连接,水平检测传感器用于检测所述的材料腔内的光敏材料液体的液位。 The [0016] control unit is further electrically connected with the level detection sensor, a sensor for detecting the level of the liquid level of the photosensitive material is detected according to the material chamber.

[0017] 所述的控制单元还与通信单元电连接,所述的通信单元包括WIFI芯片、蓝牙芯片、 NFC芯片和无线通信芯片,所述的通信单元用于与外部设备实现通信,所述的无线通信芯片支持IEEE、Zigbee、3G、3GPP 和LTE 通信标准。 The control unit [0017] said further electrically connected to the communication unit, said communication unit includes chip WIFI, Bluetooth chip, the NFC chip and a wireless communication chip, a communication unit used for communication with an external device, said The wireless communication chip supports IEEE, Zigbee, 3G, 3GPP and LTE communication standard.

[0018] 所述的LED发光二极管为紫外线LED发光二极管。 [0018] The LED is a UV light emitting diode emitting diode LED.

[0019] 所述的LED阵列中的每一个LED发光二极管均由所述的控制单元单独控制,从而使被开启LED发光二极管与所述的义齿蜡型DLP光固化抑打印机接收到的多个分层图像中的任意一个逐层地相对应。 [0019] The LED array of each LED of light emitting diodes by the control unit of the individual control so that the light-emitting diode LED is turned on with the photo-curable denture wax-up suppressing DLP printer receives a plurality of points any of a tomographic image corresponding layer by layer.

[0020] 所述的控制单元在所述的义齿蜡型DLP光固化3D打印机的运行过程中实时地获取所述光源的温度,当所述光源的温度超过预定值时,所述的控制单元强行关闭光源,从而使光源冷却,避免温度过高的光源损坏制作中的义齿蜡型。 The control unit [0020] The DLP in denture wax-up during operation of the photocurable 3D printer acquired in real time the temperature of the light source, the light source when the temperature exceeds a predetermined value, said control means forcibly off the light source, the light source so that the cooling to avoid overheating of the denture wax produced in light damage.

[0021]本发明所述的义齿蜡型DLP光固化3D打印方法较传统制造方式极大地提高了制造效率,为患者节省了大量治疗时间。 [0021] DLP denture wax-up of the present invention, the photocurable 3D printing method than traditional manufacturing methods greatly improve manufacturing efficiency, for the treatment of patients to save a lot of time. 本发明所述的义齿蜡型DLP光固化3D打印方法采用的DLP光固化3D打印机能够单独控制光源的光强和温度,避免损坏加工的义齿蜡型。 DLP denture wax of the present invention, the photocurable printing method using 3D DLP photocuring 3D printer capable of individually controlling the light intensity of light and temperature, to avoid damage to processing denture wax.

附图说明 BRIEF DESCRIPTION

[0022]图1是本发明所述的DLP光固化3D打印机的整体结构示意图。 [0022] FIG. 1 is an overall schematic view of the 3D printer DLP photocurable present invention.

[0023]图2是所述DLP光固化3D打印机的控制单元结构示意图。 [0023] FIG. 2 is a schematic view of a control unit of the printer structure of the 3D DLP photocurable.

[0024]图3是所述DLP光固化3D打印机的光源结构示意图。 [0024] FIG. 3 is a diagram showing the structure of a light source of the 3D printer DLP photocurable.

具体实施方式 Detailed ways

[0025] 以下实施例用于说明本发明,但不用来限制本发明的范围。 [0025] The following examples serve to illustrate the present invention but are not intended to limit the scope of the present invention.

[0026] 如图1至图3所示,本发明所述的义齿蜡型DLP光固化3D打印方法包括以下步骤: [0026] As shown in FIG. 1 to FIG. 3, denture wax-up of the present invention DLP 3D photocurable printing method comprising the steps of:

[0027] 第一、获取义齿蜡型的三维数字模型,利用CAD/CAM软件将义齿蜡型的三维数字模型按照预定的厚度进行分层,制作多个分层图像; [0027] First, obtain denture wax-dimensional digital model of the denture wax-dimensional digital model of a predetermined thickness stratified by using CAD / CAM software, making a plurality of hierarchy pictures;

[0028] 第二、将第一步骤中制作的多个分层图像输入义齿蜡型DLP光固化3D打印机; [0028] Second, a plurality of hierarchy pictures produced in the first step of input denture wax photocurable 3D DLP printer;

[0029] 其中,所述的义齿蜡型DLP光固化3D打印机包括材料腔10、工作台20、工作台驱动装置30、控制单元50和光源100,所述的工作台20设置在材料腔10的上方,所述的光源100设置在材料腔10的下方,所述的光源100包括LED安装板110和LED阵列120,所述的LED阵列120 安装在所述的LED安装板110上;所述的材料腔10内装有光敏材料液体;所述的工作台20与所述的工作台驱动装置30连接,所述的工作台驱动装置30能够带动所述工作台20在前后、 左右和上下这三个维度上自由运动;所述的工作台驱动装置30和所述的光源100分别与所述的控制单元50连接,所述的控制单元50控制所述的工作台驱动装置30进而控制所述的工作台20的运动方向、运动距离和运动速度;所述的控制单元50还控制所述光源100的光强和温度; [0029] wherein said denture wax printers 3D DLP photocurable material comprises a chamber 10, table 20, table driving means 30, the control unit 50 and the light source 100, the table 20 is provided in the material chamber 10 above, the source material 100 is disposed below the chamber 10, the LED light source 100 includes a mounting plate 110 and the LED array 120, the LED array 120 is mounted on the LED mounting plate 110; said interior chamber 10 with a photosensitive material, a liquid material; table 20 according to the driving means 30 is connected to the table, the table drive apparatus 30 drives the table 20 can be in the front, left, and up and down three the dimension of free movement; the table 50 controls the stage driving means 30 and 100 respectively connected to said light source and said control unit 50, the control unit 30 further controls the drive means of the work direction of movement of the table 20, the moving distance and moving speed; the control unit 50 further controls the light source 100, light intensity and temperature;

[0030] 第三、所述的控制单元50控制所述的工作台驱动装置30带动所述的工作台20进入所述的材料腔10,使所述的工作台20的底面与所述的材料腔10的底部水平内壁面之间的距离为第一步骤中预定的一个分层的厚度,所述的工作台20的底面与所述的材料腔10的底部水平内壁面之间的空隙充满光敏材料液体;所述的控制单元50进一步控制所述光源100开启LED阵列120中的部分LED发光二极管,被开启LED发光二极管与所述的义齿蜡型DLP光固化3D打印机接收到的多个分层图像中的第一个相对应,LED发光二极管发出的光线使所述的工作台20的底面与所述的材料腔1〇的底部水平内壁面之间的光敏材料液体光固化,完成第一个分层图像的制作;随后所述的控制单元5〇控制所述的工作台驱动装置30带动所述的工作台20逐渐上升,每上升一个预定的分层厚度则所述的控制单元50控制所述 Table [0030] Third, the control unit 50 controls the table drive apparatus 30 drives the material 20 into the chamber 10, the material of the bottom surface of the table 20 the horizontal distance between the bottom of the inner wall surface of the chamber 10 is a first step in a hierarchical predetermined thickness, a gap between the bottom horizontal inner wall surface of the cavity material and the bottom surface of the table 20, 10 is filled with the photosensitive a liquid material; the control unit 50 further controls the opening portion 100 of the light source LED light-emitting diodes LED array 120, LED is turned on a plurality of light emitting diode layered denture wax-up with the 3D printer DLP photocurable received a first image corresponding to LEDs emit light from the LED so that the bottom surface of the table 20 of the photosensitive material between the liquid level of the bottom inner wall surface of the cavity 1〇 photocurable material, a first complete making layered image; 30 drives the table drive apparatus 5〇 control then the control unit 20 gradually rises according to the table, each of a predetermined increase of the layer thickness of the control unit 50 controls the state 光源100开启LED阵列120中的与对应的分层图像相对应的部分LED发光二极管,逐层完成所有分层图像的制作,最终完成义齿蜡型S的制作。 Turn on the LED light source 100 in the array 120 corresponding to the image corresponding to the hierarchical portion of the LED light-emitting diode, layer by layer to complete the production of all hierarchical images and the eventual production of denture wax-type S.

[0031] 所述的控制单元50包括总线55、1^1151、1?(^52、0?1]53和0?1]54,所述的1^1!51、 R0M52、CPU53和GPU54通过总线55实现相互之间的连接;CPU53用于启动控制单元50的操作系统,R0M52中存储有用于启动控制单元5〇的操作系统的命令集;当接通电源并输入开机命令时,CPU53根据存储在R0M52中的命令将操作系统从R0M52中拷贝到RAM51中并运行操作系统,当操作系统启动以后,CPU53将多个程序拷贝到RAM51中并运行这些程序,从而实现控制所述的工作台驱动装置30进而控制所述的工作台20的运动方向、运动距离和运动速度以及控制所述光源100的光强和温度。 The control unit [0031] 50 includes a bus according 1151,1 55,1 ^? (52,0 ^? 1] 53 and 0? 1] 54, according to 1 ^ 1! 51, R0M52, CPU53 through and GPU54 connection between the bus 55 to each other; a control unit CPU 53 for activating the operating system 50, R0M52 stores an operating system for activating the control unit 5〇 command set; and when power is turned ON command input, CPU53 the storage command will R0M52 operating system copied from the R0M52 to the RAM51 and run the operating system, when the system starts operating after, the CPU 53 copies of the program into a plurality of RAM51 and run these programs, thereby realizing means for controlling said table drive 30 thereby controlling the direction of movement of the table 20, the moving distance and speed of movement and controlling the temperature of the light source 100 and the light intensity.

[0032] 所述的CPU53还用于控制所述GPU54产生坐标值、形状数值、大小数值和颜色数值并存储在缓冲装置80中,缓冲装置80与所述的CPU53双向通信,根据GPU54产生的坐标值、形状数值、大小数值和颜色数值在显示装置60上显示图像。 [0032] further the CPU53 for controlling the generation GPU54 coordinate value, shape value, size and color numerical values ​​and stored in the buffer means 80, buffer means 80 CPU53 bidirectional communication with said coordinate generated in accordance with GPU54 value, shape value, the size of numerical values ​​and color image displayed on the display device 60.

[0033] 所述的显示装置60与所述的控制单元50电连接,显示装置60用于向用户显示所述的义齿蜡型DLP光固化3D打印机的运行图像。 [0033] The electronic control unit 50 according to the display device 60 is connected to display means 60 for displaying to a user said denture wax-up image of the 3D DLP photocurable operation of the printer.

[0034] 所述的控制单元50还与水平检测传感器7〇电连接,水平检测传感器70用于检测所述的材料腔10内的光敏材料液体的液位。 Said control unit [0034] 50 is also electrically connected to the level detection sensor 7〇, the level sensor 70 for detecting the liquid level of the photosensitive material 10 is detected in said material cavity.

[0035] 所述的控制单元50还与通信单元90电连接,所述的通信单元90包括WIFI芯片91、 蓝牙芯片92、NFC芯片93和无线通信芯片94,所述的通信单元90用于与外部设备实现通信, 所述的无线通信芯片94支持IEEE、Zigbee、3G、XPP和LTE通信标准。 Said control unit [0035] 50 is also electrically connected to the communication unit 90, the communication unit 90 includes a chip 91 WIFI, Bluetooth chip 92, NFC chip 93 and a wireless communication chip 94, the communication unit 90 and for an external device for communication, the wireless communication chip 94 supports IEEE, Zigbee, 3G, XPP and LTE communication standard.

[0036] 所述的LED发光二极管为紫外线LED发光二极管。 [0036] The LED is a UV light emitting diode emitting diode LED.

[0037]所述的LED阵列12 0中的每一个LED发光二极管均由所述的控制单元5 〇单独控制, 从而使被开启LED发光二极管与所述的义齿蜡型DLP光固化3D打印机接收到的多个分层图像中的任意一个逐层地相对应。 [0037] The LED array 120 of each of the light emitting diode LED control unit 5 billion by the individually controlled, so that the light-emitting diode LED is turned on with the photo-curable denture wax DLP 3D printer receives any one of the plurality of layered images corresponding layer by layer.

[0038]所述的控制单元50在所述的义齿蜡型DLP光固化3D打印机的运行过程中实时地获取所述光源100的温度,当所述光源1〇〇的温度超过预定值时,所述的控制单元5〇强行关闭光源,从而使光源冷却,避免温度过高的光源损坏制作中的义齿蜡型。 During operation of the control unit [0038] 50 in the photo-curable denture wax DLP 3D printer acquires in real time the temperature of the light source 100, when the temperature of the light source 1〇〇 exceeds a predetermined value, the said control means 5〇 forced off the light source, the light source so that the cooling to avoid overheating of the denture wax produced in light damage.

[0039]虽然,上文中己经用一般性说明及具体实施例对本发明作了详尽的描述,但在本发明基础上,可以对之作一些修改或改进,这对本领域技术人员而言是显而易见的。 [0039] Although the above has described a general and specific embodiments of the present invention made a detailed description, but on the basis of the present invention, it can make some modifications or improvements, it is apparent to those skilled in the art of. 因此, 在不偏离本发明精神的基础上所做的这些修改或改进,均属于本发明要求保护的范围。 Accordingly, such modifications without departing from the spirit of the present invention is based on the improvement made or, belong to the scope of the invention as claimed. ' '

Claims (9)

1.一种义齿蜡型DLP光固化3D打印方法,其特征在于,所述义齿蜡型DLP光固化3D打印方法包括以下步骤: 第一、获取义齿蜡型的三维数字模型,利用CAD/CAM软件将义齿蜡型的三维数字模型按照预定的厚度进行分层,制作多个分层图像; 第二、将第一步骤中制作的多个分层图像输入义齿蜡型DLP光固化3D打印机; 其中,所述的义齿蜡型DLP光固化3D打印机包括材料腔、工作台、工作台驱动装置、控制单元和光源,所述的工作台设置在材料腔的上方,所述的光源设置在材料腔的下方,所述的光源包括LED安装板和LED阵列,所述的LED阵列安装在所述的LED安装板上;所述的材料腔内装有光敏材料液体;所述的工作台与所述的工作台驱动装置连接,所述的工作台驱动装置能够带动所述工作台在前后、左右和上下这三个维度上自由运动;所述的工作台驱动装置和所述的光源分 A wax denture 3D DLP photocurable printing method, characterized in that said photo-curing denture wax DLP 3D printing method comprising the steps of: a first acquiring denture wax-dimensional digital model, using CAD / CAM software the denture wax-up in accordance with a predetermined three-dimensional digital model of a layered thickness, making a plurality of hierarchy pictures; a second, the first step of a plurality of hierarchy pictures produced in the denture wax-up input 3D DLP photocurable printer; wherein, the denture wax printers 3D DLP photocurable material comprises a cavity, a table, the table drive apparatus, and a light source control unit, a table disposed above the material cavity, a light source disposed below the material chamber LED, the LED light source comprises a mounting plate and the LED array, the LED array is mounted on said mounting plate; the photosensitive material is a material containing a liquid chamber; said table with said table drive means connected to said drive means can drive the stage in front of the table, and upper and lower left free movement of these three dimensions; and said table drive means and the sub-light source 与所述的控制单元连接,所述的控制单元控制所述的工作台驱动装置进而控制所述的工作台的运动方向、运动距离和运动速度;所述的控制单元还控制所述光源的光强和温度; 第三、所述的控制单元控制所述的工作台驱动装置带动所述的工作台进入所述的材料腔,使所述的工作台的底面与所述的材料腔的底部水平内壁面之间的距离为第一步骤中预定的一个分层的厚度,所述的工作台的底面与所述的材料腔的底部水平内壁面之间的空隙充满光敏材料液体;所述的控制单元进一步控制所述光源开启LED阵列中的部分LED发光二极管,被开启LED发光二极管与所述的义齿蜡型DLP光固化3D打印机接收到的多个分层图像中的第一个相对应,LED发光二极管发出的光线使所述的工作台的底面与所述的材料腔的底部水平内壁面之间的光敏材料液体光固化,完成第一个分层图 Connected to the control unit of the workbench according to the driving control unit controls the movement direction of the table and thus the control of the movement distance and the movement speed of the device; said control means further controls said light source intensity and temperature; third, the stage control unit controls the driving means to drive the stage of the chamber material into said, so that the bottom level of the bottom surface of the table and the material chamber the distance between the inner wall surface of the first step is a layered predetermined thickness, a gap between the bottom horizontal inner wall surface of a bottom of the cavity material, the table is filled with a liquid photosensitive material; said control light source means further controls the opening part of the LED light emitting diode LED arrays, light emitting diode LED is turned on with the photo-curable denture wax DLP a first plurality of hierarchy pictures of the received 3D printer correspond, LED photosensitive material liquid between the light emitting diode emits a bottom surface of the table and the bottom horizontal inner wall surface of the cavity of the photo-curable material, the first to complete a layered FIG. 的制作;随后所述的控制单元控制所述的工作台驱动装置带动所述的工作台逐渐上升,每上升一个预定的分层厚度则所述的控制单元控制所述光源开启LED阵列中的与对应的分层图像相对应的部分LED 发光二极管,逐层完成所有分层图像的制作,最终完成义齿蜡型的制作。 Production; drive means drives the stage subsequent to said control unit controls the table is gradually increased, each of a predetermined increase of the layer thickness of the opening control unit controls the LED light source array and hierarchy picture corresponding to the portion corresponding to the light emitting diode LED, layer by layer to complete all produced layered images and the eventual denture wax production.
2.如权利要求1所述的义齿蜡型DLP光固化3D打印方法,其特征在于,所述的控制单元包括总线、RAM、ROM、CPU和GPU,所述的RAM、ROM、CPU和GPU通过总线实现相互之间的连接; CPU用于启动控制单元的操作系统,ROM中存储有用于启动控制单元的操作系统的命令集; 当接通电源并输入开机命令时,CPU根据存储在ROM中的命令将操作系统从ROM中拷贝到RAM 中并运行操作系统,当操作系统启动以后,CPU将多个程序拷贝到RAM中并运行这些程序,从而实现控制所述的工作台驱动装置进而控制所述的工作台的运动方向、运动距离和运动速度以及控制所述光源的光强和温度。 2. The DLP denture wax-up according to claim 1 photocurable 3D printing method, characterized in that said control unit comprises a bus, RAM, ROM, CPU and GPU, said RAM, ROM, CPU and GPU by bus connection between each other; the CPU to the operating system startup control unit, ROM stores the operating system command set for activating the control unit; and when power is turned oN command input, CPU stored in the ROM in accordance with command to the operating system copied from ROM to RAM and run the operating system when the operating system starts later, the CPU copies a plurality of programs into RAM and run these programs, thereby realizing the table drive controlling means further controls the table movement direction, movement distance and movement speed and controlling the light source intensity and temperature.
3. 如权利要求1或2所述的义齿蜡型DLP光固化3D打印方法,其特征在于,所述的CRJ还用于控制所述GHJ产生坐标值、形状数值、大小数值和颜色数值并存储在缓冲装置中,缓冲装置与所述的CPU双向通信,根据GPU产生的坐标值、形状数值、大小数值和颜色数值在显示装置上显示图像。 3. The denture wax DLP claim 1 or claim 2 photocurable 3D printing method, characterized in that said further CRJ GHJ for controlling the generated coordinate values, the value shape, size and color numerical values ​​and stores in the buffer, the buffer device and the CPU of bidirectional communication, the coordinate value, shape value, and the size of numerical values ​​GPU color display image produced on the display device.
4. 如权利要求3所述的义齿蜡型DLP光固化3D打印方法,其特征在于,所述的显示装置与所述的控制单元电连接,显示装置用于向用户显示所述的义齿蜡型DLP光固化3D打印机的运行图像。 4. The denture wax-up according to claim 3 DLP photocurable 3D printing method, characterized in that the control unit is electrically connected with said display means, display means for displaying the denture wax-up to a user 3D DLP photocurable execute an image printer.
5. 如权利要求1所述的义齿蜡型DLP光固化加打印方法,其特征在于,所述的控制单元还与水平检测传感器电连接,水平检测传感器用于检测所述的材料腔内的光敏材料液体的液位。 5. The denture wax DLP according to claim 1 plus photocurable printing method, characterized in that said control unit is further electrically connected with the level detection sensor, a sensor for detecting the level of light-sensitive material according to the detection chamber level of the liquid material.
6.如权利要求1所述的义齿蜡型DLP光固化3D打印方法,其特征在于,所述的控制单元还与通信单元电连接,所述的通信单元包括WIFI芯片、蓝牙芯片、NFC芯片和无线通信芯片, 所述的通信单元用于与外部设备实现通信,所述的无线通信芯片支持IEEE、Zigbee、3G、 3GPP和LTE通信标准。 6. The denture wax-up according to claim 1 DLP photocurable 3D printing method, characterized in that said control unit is further electrically connected to a communication unit, said communication unit includes chip WIFI, Bluetooth chip, chip, and the NFC the wireless communication chip, a communication unit used for communication with an external device, said wireless communication chip support IEEE, Zigbee, 3G, 3GPP and LTE communication standard.
7.如权利要求1所述的义齿蜡型DLP光固化邪打印方法,其特征在于,所述的LED发光二极管为紫外线LED发光二极管。 7. The denture wax DLP according to claim 1 evil photocurable printing method, wherein said ultraviolet light-emitting diode LED light-emitting diode LED.
8.如权利要求1所述的义齿蜡型DLP光固化3D打印方法,其特征在于,所述的LED阵列中的每一个LED发光二极管均由所述的控制单元单独控制,从而使被开启LED发光二极管与所述的义齿蜡型DLP光固化3D打印机接收到的多个分层图像中的任意一个逐层地相对应。 8. The denture wax-up according to claim 1 DLP photocurable 3D printing method, wherein each LED of the LED array of the light emitting diode by the control unit of the individual control, so that the LED is turned on It said light emitting diode and the photo-curable denture wax DLP plurality of hierarchy pictures of any 3D printer received in a corresponding layer by layer.
9.如权利要求1所述的义齿蜡型DLP光固化3D打印方法,其特征在于,所述的控制单元在所述的义齿蜡型DLP光固化邪打印机的运行过程中实时地获取所述光源的温度,当所述光源的温度超过预定值时,所述的控制单元强行关闭光源,从而使光源冷却,避免温度过高的光源损坏制作中的义齿蜡型。 9. The denture wax-up according to claim 1 DLP photocurable 3D printing method, characterized in that said control unit DLP denture wax-up during operation of the photocurable evil printer acquired in real time the light source temperature, when the light source temperature exceeds a predetermined value, said control means forcibly off the light source, the light source so that the cooling to avoid overheating of the denture wax produced in light damage.
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