Three-dimensional printing formation unit and method

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CN1739946A
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CN
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liquid
material
support
dimensional
layer
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CN 200510029726
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Chinese (zh)
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CN100395098C (en )
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吴懋亮
周宏志
徐伟虹
任建兴
张�浩
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上海电力学院
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Abstract

The three-dimensional printing formation unit includes one X-Y work bench and one elevating platform. The X-Y work bench has lower liquid tank with bottom liquid support medium, and upper nozzle with downward spout, over liquid level sensor. The lower liquid tank has liquid support material and bottom flow guide hole, the elevating platform is located inside the liquid support material, and the flow guide hole is connected via duct with pump. The three-dimensional printing formation method includes spraying the forming material via the nozzle, forming on the liquid support material surface and based on the cross section data, curing the forming material on the surface of the support material to form one layer of the part, lowering the work bench for one layer of thickness for the painting of the next layer, and adhering the adjacent layer to form three-dimensional body. The present invention has the advantages of no need of special support structure, simple part making process, high material utilization, etc.

Description

三维打印成型设备及方法 3D printing method and apparatus

技术领域 FIELD

本专利涉及一种三维快速成型设备和方法,尤其是一种三维打印成型设备及其使用方法。 This patent relates to a three-dimensional rapid prototyping apparatus and method, in particular a 3D printing apparatus and methods of use.

背景技术 Background technique

目前快速成型设备类型很多,包括立体光刻成型(Stereolithography-SL)、熔融堆积成型(Fused Deposition Modeling-FDM)、分层实体加工(Laminated Object Manufacturing-LOM)、选择性激光烧结(Selective Laser Sintering-SLS)及三维打印(3Dimensional Printing-3DP)等。 Currently many rapid prototyping device types, including stereolithography (Stereolithography-SL), Rapid Prototyping (Fused Deposition Modeling-FDM), laminated object processing (Laminated Object Manufacturing-LOM), selective laser sintering (Selective Laser Sintering- SLS) and three dimensional printing (3Dimensional printing-3DP) and the like. 与三维打印成型有关的专利技术主要有1995年2月美国专利5387380(申请人Cima)通过在粉末材料表面选择性喷涂粘结剂,从而将零件截面内的粉末材料粘结在一起,如此逐层粘结成型,粘结完成后将未粘结的粉末材料取出,获得成型零件。 3D printing and related patents mainly February 1995, U.S. Patent No. 5,387,380 (applicant Cima) by selectively coating an adhesive on the surface of the powder material, thereby binding the powder material within the cross-section parts together in layers so forming bonding, bonding is completed after the unbonded powder material is removed to obtain a molded part. 1999年3月美国专利5878664(申请人Hartka)的打印方法是利用打印滚筒在可升降的平面上加工,加工时在滚筒上产生打印的图形,一层打印完毕,滚筒上产生下一层图形,逐层打印成型实体。 March 1999 U.S. Patent No. 5,878,664 (applicant Hartka) printing method using a print drum on a level surface liftable, producing a pattern printed on the processing drum, a layer of printing is completed, the pattern layer generated on the drum, printed layer by layer forming entity. 1999年11月美国专利5984444(申请人Hawley),该专利采用静电三维打印成型,将蜡、塑料等熔化为液滴,通过磁场加速液滴在平面内堆积并逐层累加成型,并且采用低熔点材料作为支撑材料支撑零件。 In November 1999, U.S. Patent 5,984,444 (Hawley applicant), which patent electrostatic 3D printing, wax, plastic or the like melt into droplets by a magnetic field to accelerate the accumulation of droplets deposited layer by layer formed in a plane, and the low melting point material as a support material bearing member. 1999年5月美国专利5902441(申请人Bredt和JamesF)提出一种三维打印方法,该方法通过生成三维物体的横截面,然后将加工的横截面逐层粘结成三维物体。 1999, U.S. Patent 5,902,441 (applicant Bredt and JamesF) proposed a three-dimensional printing method of generating a cross-section through the three-dimensional object, layer by layer and then bonded to a cross section processed three-dimensional object. 2002年9月Bredt的另一项美国专利6416850,采用将粘结剂和填充剂混合构成的多组分颗粒作为成型材料的三维打印方法。 Another U.S. Patent No. 6,416,850 to Bredt September 2002, the use of multi-component particles containing a binder and a filler composed of a three-dimensional hybrid printing method of the molding material.

以上几种三维打印成型方法需要专门设计支撑结构,对于具有复杂内部结构的零件制作复杂,材料利用率低。 Several more 3D printing process requires a specially designed support structure, complex parts for fabricating a complex internal structure, material utilization is low.

发明内容 SUMMARY

本发明是要提供一种新型的三维打印成型设备和方法,它具有结构简单,三维零件制作方便,材料利用率高,加工成型的零件后处理简单等特点。 The present invention is to provide a novel apparatus and method for forming a three-dimensional printing, which has a simple structure, easy production of three-dimensional parts, material utilization, simple molded part handling after processing characteristics.

为实现本发明的目的,所采用的技术方案如下:一种三维打印成型设备,包括XY工作台,升降平台。 For purposes of this invention, the technical solution adopted as follows: A 3D printing apparatus, comprising XY table lifting platform. XY工作台下面设有储液槽,XY工作台上面装有喷口向下的喷头,XY工作台上方设有液位传感器,储液槽内储存有支撑材料,升降平台位于支撑材料内,储液槽底边设有导流孔,导流孔通过导管与泵连接。 A reservoir provided below the XY table, the XY stage with the head above the spout downward, above the XY stage provided with a level sensor, the support material is stored within the reservoir, the lifting platform positioned within the support material, the reservoir bottom side provided with guide holes, guide holes connected by a conduit to the pump.

储液槽中储存的支撑材料为液体状态。 The support material was stored in a reservoir in a liquid state. 喷头通过导管与泵出口连接,泵进口连接储存有成型材料的原料槽。 The nozzle is connected via a conduit with the pump outlet, the pump inlet connected to the molding material stored in the raw material tank.

一种使用三维打印成型设备的方法,其零件的成型过程是:1.计算机处理三维CAD模型,将三维模型顺序分割成一系列具有厚度的截面图形。 A method for 3D printing apparatus used, the molding process which is part of: a computerized three-dimensional CAD model, three-dimensional model divided into a series of sequential cross-sectional pattern having a thickness.

2.提升升降平台至一高度位置,由液位传感器探测液面高度,根据探测的液面高度,通过泵改变储液槽中的支撑材料的数量,直到支撑材料表面与工作台表面处于同一水平面内。 2. A lifting platform to a lifting height, the height of the liquid level detection by the level sensor, according to the liquid level detected by the pump to change the amount of support material in the reservoir, with the table surface until the material supporting surface at the same level Inside.

3.计算机根据截面图形控制XY工作台在水平面内运动,同时成型材料通过喷头喷出,喷涂在升降平台表面,形成与截面图形相同的喷涂层,喷涂完毕XY工作台返回停泊位置。 3. The computer-controlled XY stage moving in a horizontal plane cross-sectional pattern, while the molding material is ejected through the nozzle, spraying the surface of the lifting platform, the same sectional pattern formed spray coating, spray coating is completed to return the XY table parking position.

4.喷涂的成型材料A经过化学反应、辐射、粘结、加热、冷却方法,在平面内固化形成一层固化零件。 4. A spray molding material through a chemical reaction, irradiation, bonding, heating, cooling method, solidified layer is formed within the plane of the cured part.

5.升降工作台下降至一高度位置。 5. elevating work the audience down to a height position.

6.液位传感器探测液面高度,根据探测的液面高度,通过泵改变储液槽中的支撑材料的数量,直到液态支撑材料表面与固化的一层零件上表面处于同一水平面内。 6. A liquid level sensor detecting liquid level, according to the liquid level detection, by changing the number of pump support material in the reservoir until the liquid on the support material surface with the cured layer of the component in the same horizontal plane.

7.计算机控制XY工作台作水平面内运动,同时成型材料A通过喷头喷出,在已成型零件表面和液态支撑材料B表面喷涂成型材料A,形成与相应的截面图形相同的喷涂层,喷涂完毕XY工作台返回停泊位置。 7. The computer-controlled XY stage for movement in a horizontal plane, while the molding material is ejected through the nozzle A, spray molding material A and support material B is in the molded part and the liquid surface, formed with a corresponding cross-sectional pattern of the same spray coating, spraying is completed return the XY table parking position.

8.重复成型过程4-7,直至零件加工完毕。 8. Repeat 4-7 forming process, until the part is finished processing.

9.提升升降台到一定高度,取出成型零件。 9. The lift station to lift a certain height, remove the molded part.

本发明的成型材料通过喷头喷出,在液态支撑材料表面根据截面数据喷涂成型,喷涂成型材料在支撑材料表面固化,一层零件固化成型完毕,工作台下降一层厚度,进行下一层喷涂,并将相邻层互相粘接在一起,从而形成三维实体。 The molding material of the present invention by a spray nozzle, a spray forming surface of the liquid in the cross-sectional data support material, coating material is cured molding surface of the support material, forming a layer of cured parts is completed, the table lowered to a thickness of, coating the next layer, and the adjacent layers are bonded to each other to form a three-dimensional solid. 与已有的快速成型方法,特别是已有的三维打印快速成型方法相比,本发明具有以下优点:1.本发明采用液体支撑材料,不需要其他专门设计支撑结构,零件制作简单,尤其对于具有复杂内部结构的零件,优势更加明显;2.材料利用率高;3.加工成型的零件后处理简单。 Existing rapid prototyping method, in particular the conventional rapid prototyping a three-dimensional printing as compared to the present invention has the following advantages: 1. The present invention uses a liquid support material, no other structure designed to support, making simple the parts, especially for parts with complex internal structure, the more obvious advantages; 2. high utilization ratio; 3 molded part handling after processing simple.

附图说明 BRIEF DESCRIPTION

图1是本发明的结构示意图;图2是本发明的实施例1的三维打印成型设备结构示意图;图3是本发明的实施例2的三维打印成型设备结构示意图。 FIG. 1 is a structural diagram of the present invention; FIG. 2 is a schematic view of the structure of a three-dimensional molding apparatus in Example 1 of the present invention, the printing; FIG. 3 is a schematic view of the structure of a three-dimensional molding apparatus of the present invention, an embodiment 2 of the printing.

具体实施方式 detailed description

下面结合附图与实施例对本发明作进一步的描述。 The present invention is further described below in conjunction with the accompanying drawings and embodiments.

如图1,2所示,三维打印成型设备,主要包括XY工作台1,喷头2,液位传感器3,储液槽4,导流孔5,导管6,泵7,升降平台9。 1 and 2, 3D printing apparatus, including the XY stage 1, head 2, the level sensor 3, the reservoir 4, guiding holes 5, the conduit 6, pump 7, 9 lifting platform.

XY工作台1下面安装储液槽4,XY工作台1上面安装喷头2,喷头2的喷口位于XY工作台1下面,方向朝下,XY工作台1上方设有液位传感器3,储液槽4内储存有支撑材料8,升降平台9位于支撑材料8内,储液槽4底边设有导流孔5,导流孔5通过导管6与泵7连接。 XY stage 1 is mounted below the reservoir. 4, the XY stage 1 nozzle 2 mounted thereon, the nozzle orifice 2 is located below the XY stage 1, the downward direction, the upper liquid level sensor 1 is provided with XY stage 3, the reservoir 4 is stored inside the supporting material 8, 9 lifting platform positioned within the support material 8, the bottom edge of the reservoir 4 is provided with guide holes 5, 6 diversion hole 5 through a conduit 7 connected to the pump.

储液槽4中储存的支撑材料8为液体状态。 The support material stored in the reservoir 4 to 8 in a liquid state. 喷头2的进口通过导管14与泵13出口连接,泵13进口连接原料槽11,原料槽11内储存有成型材料。 Nozzle inlet 2 via conduit 14 is connected to the outlet of the pump 13, the pump inlet 13 connected to the raw material tank 11, the raw material storage tank 11 with a molding material.

储存于储液槽4中的液态支撑材料8,可以通过泵7、导管6、导流孔5来改变其在储液槽4中的数量。 The support material stored in the liquid reservoir 8 4, 7 can be, conduit 6, guiding holes 5 to change the number in the accumulator tank 4 by the pump.

本发明设备的成型过程如下:1.计算机处理三维CAD模型,将三维模型顺序分割成一系列具有一定厚度的截面图形。 Molding process of the present invention the device is as follows: 1. The computer processing three-dimensional CAD model, three-dimensional model divided into a series of sequential cross-sectional pattern having a certain thickness.

2.提升升降平台9至一定高度,并利用液位传感器探测3液面高度,根据探测的液面高度,通过泵7、导管6、导流孔5改变储液槽4中的支撑材料8的数量,直到支撑材料8表面与工作台表面处于同一水平面内。 2. The lifting platform 9 to a certain lift height, and using the level sensor to detect the liquid level 3, according to the liquid level detected by the pump 7, the conduit 6, guiding holes 5 in the reservoir to change the supporting material 8 4 number, until the surface of the table 8 and support material are in the same horizontal plane.

3.计算机根据截面图形控制XY工作台1在水平面内运动,同时成型材料通过喷头2喷出,喷涂在升降平台9表面,形成与截面图形相同的喷涂层,喷涂完毕XY工作台返回停泊位置。 3. The computer-controlled XY stage 1 is moved sectional pattern in the horizontal plane, while the ejection head 2 through the molding material, coating the surface of the lifting platform 9, formed in the same sectional pattern of the spray coating, spray coating is completed to return the XY table parking position.

4.喷涂的成型材料A经过化学反应、辐射、粘结、加热、冷却等方法,在平面内固化形成一层固化零件。 4. A spray molding material through a chemical reaction, irradiation, bonding, heating, cooling or the like, in the plane of cured layer cured to form a part.

5.升降工作台9下降一定高度。 The lifting table 9 drops to a certain height.

6.液位传感器探测3液面高度,根据探测的液面高度,通过泵7、导管6、导流孔5改变储液槽4中的支撑材料8的数量,直到液态支撑材料8表面与固化的一层零件上表面处于同一水平面内。 6. A liquid level sensor detecting liquid level 3, according to the liquid level detected by the pump 7, the conduit 6, the number of flow holes in the support material 5 changes the reservoir 48 until the liquid surface of the support material 8 is cured on one surface of the part in the same horizontal plane.

7.XY工作台1在计算机控制下水平面内运动,同时成型材料通过喷头2喷出,在已成型零件表面和液态支撑材料8表面喷涂成型材料A,形成与相应的截面图形相同的喷涂层,喷涂完毕XY工作台返回停泊位置。 7.XY table 1 is moved under computer control in a horizontal plane, while the ejection head 2 by the molding material, coating the surface 8 A molding material molded part has a support surface and a liquid material to form the same pattern corresponding to the cross section of the sprayed layer, After spraying the XY table return to the parking position.

8.重复成型过程4-7,直至零件10加工完毕。 8. Repeat 4-7 forming process, the part 10 until the processing is completed.

9.提升升降台9到一定高度,取出成型零件10。 9. The lift table 9 to a certain lift height, 10 eject the molded parts.

下面通过二个实施例进一步阐述本发明。 By the following two examples further illustrate the present invention.

实施例1本实施例采用如图2所示的本发明的设备,选择液态光敏树脂12作为成型材料,液态环氧树脂作为支撑材料8。 Example 1 This example embodiment of the present invention using the apparatus shown in FIG. 2, the liquid photosensitive resin 12 selected as a molding material, a liquid epoxy resin 8 as a support material. 光敏树脂储12存于原料槽11中,通过导管14和泵13将光敏树脂12输送到喷头2,喷头2喷出的光敏树脂12经过紫外灯15的照射,液体光敏树脂12固化。 The photosensitive resin 12 stored in the raw material storage tank 11, the delivery pump 13 through the conduit 14 and the photosensitive resin 12 to the head 2, the ejection head 2 through the photosensitive resin 12 is irradiated by UV light, curing the liquid photosensitive resin 15 12.

加工过程如下:1.三维CAD模型数据经过计算机处理,分割成一系列具有一定厚度的截面图形。 Process as follows: a three-dimensional CAD model data by computer processing, into a series of cross-sectional pattern having a certain thickness.

2.升降平台9提升至一定高度,并利用液位传感器探测3液面高度,根据探测的液面高度,通过泵7、导管6、导流孔5改变储液槽4中的支撑材料环氧树脂8的数量,直到支撑材料8表面与工作台表面处于同一水平面内。 2. 9 lifting platform raised to a certain height, and using the level sensor to detect the liquid level 3, according to the liquid level detected by the pump 7, the conduit 6, the guiding holes 5 to change the supporting material reservoir 4 Epoxy number resin 8, until the surface of the table 8 and support material are in the same horizontal plane.

3.根据截面图形数据,计算机控制XY工作台1在水平面内运动,同时光敏树脂12通过喷头2喷出,喷涂在升降平台9表面,形成与截面图形相同的喷涂层,喷涂完毕XY工作台返回停泊位置。 The cross section of the pattern data, computer-controlled XY stage 1 is moved in the horizontal plane, while the photosensitive resin 12 is ejected through nozzle 2, the coating surface of the lift platform 9, formed in the same sectional pattern of the spray coating, spray coating is completed to return the XY stage parked position.

4.紫外灯15照射喷涂的光敏树脂,在平面内固化形成一层固化零件。 4. The UV lamp 15 irradiating a photosensitive resin coating, cured to form a layer in the plane of the cured part.

5.升降工作台9下降一定高度。 The lifting table 9 drops to a certain height.

6.液位传感器探测3液面高度,根据探测的液面高度,通过泵7、导管6、导流孔5改变储液槽4中的环氧树脂的数量,直到环氧树脂表面与固化的一层零件上表面处于同一水平面内。 6. A liquid level sensor detecting liquid level 3, according to the liquid level detected by the pump 7, the conduit 6, changing the number of guiding holes 5 of the reservoir 4 in the epoxy resin, the epoxy resin until the surface of the cured a layer of the component in the same horizontal plane.

7.XY工作台1再次在计算机控制下水平面内运动,同时光敏树脂12通过喷头2喷出,在已成型零件表面和环氧树脂表面喷涂光敏树脂,形成与相应的截面图形相同的喷涂层,喷涂完毕XY工作台返回停泊位置。 7.XY table 1 again moving under computer control within the horizontal plane, while the head 12 is ejected through the photosensitive resin 2, the surface of the molded part has a surface coating of epoxy resin and a photosensitive resin, is formed with a corresponding cross section of the same pattern sprayed layer, After spraying the XY table return to the parking position.

8.重复成型过程4-7,直至零件10加工完毕。 8. Repeat 4-7 forming process, the part 10 until the processing is completed.

9.提升升降台9到一定高度,取出成型零件10。 9. The lift table 9 to a certain lift height, 10 eject the molded parts.

实施例2本实施例采用如图3所示的本发明的设备,选择蜡18作为成型材料,液态环氧树脂作为支撑材料8。 Example 2 This example uses the apparatus of the present invention is shown in Figure 3, a wax selected as a molding material 18, a liquid epoxy resin 8 as a support material. 蜡18储存于原料槽17中,经过加热板16加热至熔融状态,熔融状态的蜡通过导管20和泵19将光敏树脂输送到喷头,喷头喷出的熔融状态的蜡经过冷却凝固成型。 Wax material 18 stored in tank 17, heated to a molten state after heating plate 16, the wax in a molten state photosensitive resin 19 to the delivery nozzle through a conduit 20 and a pump discharge head of wax in a molten state is cooled and solidified after molding.

加工过程如下:1.三维CAD模型数据经过计算机处理,分割成一系列具有一定厚度的截面图形。 Process as follows: a three-dimensional CAD model data by computer processing, into a series of cross-sectional pattern having a certain thickness.

2.加热板16加热原料槽17,使固态的蜡熔化,保持稳定70-100℃。 2. The heating plate 16 is heated raw material tank 17, the solid wax is melted, stable 70-100 ℃.

3.升降平台9提升至一定高度,并利用液位传感器探测3液面高度,根据探测的液面高度,通过泵7、导管6、导流孔5改变储液槽4中的支撑材料环氧树脂的数量,直到支撑材料表面与工作台表面处于同一水平面内。 9 3. The lifting platform raised to a certain height, and using the level sensor to detect the liquid level 3, according to the liquid level detected by the pump 7, the conduit 6, the guiding holes 5 to change the supporting material reservoir 4 Epoxy the number of the resin until the material surface and the support surface of the table in the same horizontal plane.

4.根据截面图形数据,计算机控制XY工作台1在水平面内运动,同时熔融状态的蜡通过喷头2喷出,喷涂在升降平台9表面,形成与截面图形相同的喷涂层,喷涂完毕XY工作台返回停泊位置。 The cross section of the pattern data, computer-controlled XY stage 1 is moved in the horizontal plane, while the wax in a molten state ejected through the nozzle 2, spraying the surface of the lifting platform 9, formed in the same sectional pattern of the spray coating, the XY stage After spraying return to the parking position.

5.喷涂的蜡在低于60℃的温度下静止10秒-3分钟,在平面内凝固形成一层固化零件。 The wax coating at a temperature below 60 deg.] C to stand for 10 seconds to 3 minutes, solidification in the plane of a layer of a cured part.

6.升降工作台9下降一定高度。 6. The lifting table 9 drops to a certain height.

7.液位传感器探测3液面高度,根据探测的液面高度,通过泵7、导管6、导流孔5改变储液槽4中的环氧树脂的数量,直到环氧树脂表面与固化的一层零件上表面处于同一水平面内。 7. A liquid level sensor detecting liquid level 3, according to the liquid level detected by the pump 7, the conduit 6, changing the number of guiding holes 5 of the reservoir 4 in the epoxy resin, the epoxy resin until the surface of the cured a layer of the component in the same horizontal plane.

8.XY工作台1再次在计算机控制下水平面内运动,同时熔融状态的蜡通过喷头2喷出,在已成型零件表面和环氧树脂表面喷涂熔融状态的蜡,形成与相应的截面图形相同的喷涂层,喷涂完毕XY工作台返回停泊位置。 8.XY table 1 again moving under computer control within the horizontal plane, while the wax in a molten state ejected through the nozzle 2, the wax coating in the molten state and an epoxy resin has been molded part surface of the surface, with the corresponding cross section formed in the same pattern spray coating, spray coating is completed to return the XY table parking position.

9.重复成型过程4-7,直至零件10加工完毕。 9. Repeat 4-7 forming process, the part 10 until the processing is completed.

10.提升升降台9到一定高度,取出成型零件10。 10. The lift table 9 to a certain lift height, 10 eject the molded parts.

本发明不局限于上述优先例,本领域的技术人员可以在此基础上做出各种变形,例如成型材料和支撑材料选择两种或多种材料的混合物等。 The present invention is not limited to the embodiment above-mentioned priority, those skilled in the art that various modifications may be made on the basis of, for example, the molding material and the supporting material selected mixtures of two or more materials.

Claims (4)

1.一种三维打印成型设备,包括XY工作台(1),升降平台(9),其特征在于,所述XY工作台(1)下面设有储液槽(4),XY工作台(1)上面装有喷口向下的喷头(2),XY工作台(1)上方设有液位传感器(3),储液槽(4)内储存有支撑材料(8),升降平台(9)位于支撑材料(8)内,储液槽(4)底边设有导流孔(5),导流孔(5)通过导管(6)与泵(7)连接。 A 3D printing apparatus, comprising an XY stage (1), the lifting platform (9), wherein said XY stage (1) is provided below the reservoir (. 4), the XY stage (1 ) above the head with the spout downwardly (2), (1) is provided with a level sensor above the XY stage (3), a reservoir (4) with a support material within the reservoir (8), the lifting platform (9) is located the support material (8), a reservoir (4) is provided with bottom guide hole (5), guide holes (5) connected by a conduit (6) and the pump (7).
2.根据权利要求1所述的三维打印成型设备,其特征在于,所述储液槽(4)中储存的支撑材料(8)为液体状态。 2. The three-dimensional printing molding apparatus according to claim 1, characterized in that the support material (8) of the reservoir (4) is stored in a liquid state.
3.根据权利要求1所述的三维打印成型设备,其特征在于,所述喷头(2)通过导管(14)与泵(13)出口连接,泵(13)进口连接储存有成型材料的原料槽(11)。 3. The three-dimensional printing according to claim 1 forming apparatus, characterized in that the head (2) is connected via an outlet conduit (14) and the pump (13), the pump (13) connected to the inlet of the molding material stored raw material tank (11).
4.一种使用三维打印成型设备的方法,其特征在于,三维零件的成型过程是:(1)计算机处理三维CAD模型,将三维模型顺序分割成一系列具有厚度的截面图形;(2)提升升降平台(9)至一高度位置,由液位传感器(3)探测液面高度,根据探测的液面高度,通过泵(7)改变储液槽(4)中的支撑材料(8)的数量,直到支撑材料(8)表面与工作台表面处于同一水平面内;(3)计算机根据截面图形控制XY工作台(1)在水平面内运动,同时成型材料通过喷头(2)喷出,喷涂在升降平台(9)表面,形成与截面图形相同的喷涂层,喷涂完毕XY工作台返回停泊位置;(4)喷涂的成型材料经过化学反应、辐射、粘结、加热、冷却方法,在平面内固化形成一层固化零件;(5)升降工作台(9)下降至一高度位置;(6)液位传感器(3)探测液面高度,根据探测的液面高度,通过泵(7)改变储液槽(4)中的支撑材料(8)的 A molding apparatus using three-dimensional printing process, wherein the process of forming three-dimensional parts are: (1) a computer processing three-dimensional CAD model, three-dimensional model divided into a series of sequential cross-sectional pattern having a thickness; and (2) lifting the lift platform (9) to a height position, by the level sensor (3) detects the liquid level, according to the liquid level detection, (7) change the number of the supporting material (8) of the reservoir (4) by a pump, until the support material (8) and the surface of the table surface in the same horizontal plane; (3) a computer-controlled XY stage (1) according to the movement in the horizontal plane sectional pattern, while (2) the molding material is ejected through the nozzle, spraying lifting platform (9) surface, is formed with the same cross section of the sprayed layer pattern, an XY stage returns after spraying parking position; (4) coating a molding material through a chemical reaction, irradiation, bonding, heating, cooling method, in a plane forming a cured part layer is cured; (5) lifting table (9) down to a height position; (6) a level sensor (3) detects the liquid level, according to the liquid level detection, and (7) to change the reservoir by a pump ( support material (8) 4) 量,直到液态支撑材料(8)表面与固化的一层零件上表面处于同一水平面内;(7)计算机控制XY工作台(1)作水平面内运动,同时成型材料通过喷头(2)喷出,在已成型零件表面和液态支撑材料(8)表面喷涂成型材料,形成与相应的截面图形相同的喷涂层,喷涂完毕XY工作台返回停泊位置;(8)重复成型过程4-7,直至零件(10)加工完毕;(9)提升升降台(9)到一定高度,取出成型零件(10)。 The amount of the support material until the liquid (8) in the upper surface of the surface layer of the cured part in the same horizontal plane; (7) a computer controlled XY stage (1) for movement in the horizontal plane, while (2) is ejected by the head molding material, surface coating the surface of the molded part has a support and liquid material (8) forming material to form a pattern corresponding to the cross section of the same spray coating, spray coating is completed to return the XY table parking position; (8) 4-7 forming process is repeated, until the part ( 10) processing is completed; (9) lifting the lift (9) to a certain height, eject the molded part (10).

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