CN110757790A - 3d激光打印装置及其操作方法 - Google Patents
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Abstract
本发明是关于一种3D激光打印装置及其操作方法,此3D激光打印装置包括机体、铺粉机构、移动式预热机构及激光模块,机体内部具有腔室、设置于腔室内部的承载台及可相对于承载台升降的供料机台与建构机台;铺粉机构容置于腔室且可往复移动于供料机台与建构机台之间;移动式预热机构容置于腔室且可往复移动于供料机台及/或建构机台;激光模块对应建构机台配置。借此,可在腔室内部直接加装彩色打印喷头、马达等不耐热组件,以使3D激光打印装置具有功能多元化及组装简单的优点。
Description
技术领域
本发明是有关于一种3D打印机,且特别是有关于一种3D激光打印装置及其操作方法。
背景技术
选择性激光烧结(Selective Laser Sintering,SLS),主要利用铺粉滚轴铺一层粉末材料,通过机箱腔室内的加热设施将其加热至恰好低于粉末烧熔点的某一温度,接着激光束在粉层上照射,使被照射的粉末温度升至熔化点之上,进行烧结并与下面已制作成形的部分实现粘结,如此循环往复,直至完成整个三维物体的打印作业。
然而,上述加热设施是对整个机箱腔室进行加热,利用机箱腔室达到默认温度,粉末材料自然也会达到默认温度方式加热。但是,机箱腔室温度过高时,则机箱腔室内部仅能安装耐热组件,例如:彩色打印喷头、马达等不耐热组件只能省略安装或加装于机箱腔室外部,使3D激光打印装置存在有功能贫乏或组装复杂的问题。
有鉴于此,本发明人遂针对上述现有技术,特潜心研究并配合学理的运用,尽力解决上述的问题点,即成为本发明人开发的目标。
发明内容
本发明提供一种3D激光打印装置及其操作方法,其是利用移动式预热机构对供料机台或建构机台加热,进而省略已知加热设施是对整个机箱腔室进行加热的步骤,使本发明中的机体的腔室温度不会过高,进而可在腔室内部直接加装彩色打印喷头、马达等不耐热组件,以使3D激光打印装置具有功能多元化及组装简单的优点。
于本发明实施例中,本发明提供了一种3D激光打印装置,包括:一机体,该机体内部具有一腔室、设置于该腔室内部的一承载台及可相对于该承载台升降的一供料机台与一建构机台;一铺粉机构,容置于该腔室且可往复移动于该供料机台与该建构机台之间;一移动式预热机构,容置于该腔室且可往复移动于该供料机台及/或该建构机台;以及一激光模块,对应该建构机台配置。
于本发明实施例中,本发明还提供了一种3D激光打印装置的操作方法,其步骤包括:a)提供一待烧结粉末及一机体,该机体内部具有一腔室、设置于该腔室内部的一承载台及可相对于该承载台升降的一供料机台与一建构机台,将所述待烧结粉末堆置于该供料机台上;b)提供一铺粉机构,该铺粉机构容置于该腔室且可往复移动于该建构机台与该供料机台之间,该铺粉机构将所述待烧结粉末由该供料机台铺平至该建构机台上;c)提供一移动式预热机构,该移动式预热机构容置于该腔室且可往复移动于该供料机台及/或该建构机台,该移动式预热机构对所述待烧结粉末加热至略低于该待烧结粉末熔点的温度;d)提供一激光模块,该激光模块对应该建构机台配置,该激光模块依据所需的图形对所述待烧结粉末加热至该待烧结粉末熔点的温度,从而使所述待烧结粉末被烧结成一建构层;e)使该建构机台相对于该承载台下降,待所述待烧结粉末再铺平至该建构机台上;以及f)重复执行步骤a至步骤e后,数个该建构层将彼此层积成一成品对象。
基于上述,移动式预热机构对应建构机台配置,且移动式预热机构包含有移动座及加热件,让加热件对待烧结粉末加热移动后,激光模块可立即对待烧结粉末烧结,避免待烧结粉末温度下降而影响烧结作业的进行。
基于上述,铺粉机构与移动式预热机构共同结合在同一个移动座上,使待烧结粉末可同时进行被铺平在建构机台上、加热及烧结作业,以使3D激光打印装置具有节省制程时间的优点。
附图说明
图1为本发明3D激光打印装置第一实施例的立体示意图。
图2为本发明3D激光打印装置第一实施例的剖面示意图。
图3为本发明3D激光打印装置的操作方法的步骤流程图。
图4为供料机构将待烧结粉末堆置于供料机台上的示意图。
图5为铺粉机构将待烧结粉末铺平至建构机台上的示意图。
图6为移动式预热机构对待烧结粉末加热至略低于熔点的温度的示意图。
图7为待烧结粉末被烧结成建构层的示意图。
图8为降温机构对应建构机台配置且对建构层降温的示意图。
图9为彩色打印喷头对建构层依据所需的颜色及位置着色的示意图。
图10为本发明3D激光打印装置第二实施例的立体示意图。
图11为本发明3D激光打印装置第三实施例的剖面示意图。
图12为本发明3D激光打印装置第四实施例的剖面示意图。
附图中的符号说明:
10 3D激光打印装置;1 机体;11 腔室;12 承载台;13 供料机台;14 建构机台;2 铺粉机构;21 第一移动座;22、22’ 铺粉模块;221 扑粉滚筒;222 驱动器;3 移动式预热机构;31 第二移动座;32、32’ 加热件;4 激光模块;5 移动座;6 供料机构;7 收料机构;8 彩色打印模块;81 彩色打印喷头;9 降温机构;100 待烧结粉末;200 建构层;步骤a~步骤f;步骤d01~步骤d03。
具体实施方式
有关本发明的详细说明及技术内容,将配合图式说明如下,然而所附图式仅作为说明用途,并非用于局限本发明。
请参考图1至图9所示,本发明提供了一种3D激光打印装置及其操作方法,该3D激光打印装置10的第一实施例主要包括一机体1、一铺粉机构2、一移动式预热机构3及一激光模块4。
如图3所示,为本发明3D激光打印装置10的操作方法的步骤,首先,如图3的步骤a及图1至图2、图4所示,提供待烧结粉末100及机体1,机体1内部具有一腔室11、设置于腔室11内部的一承载台12及可相对于承载台12升降的一供料机台13及一建构机台14,将待烧结粉末100堆置于供料机台13上。
详细说明如下,3D激光打印装置10还提供一供料机构6,供料机构6对应供料机台13配置,供料机构6将待烧结粉末100堆置于供料机台13上。其中,本实施例的供料机构6为设置在供料机台13下方且提供供料机台13容置的一供料槽,但不以此为限制,供料机构6也可为设置在供料机台13上方的一给料桶。
如图3的步骤b及图1至图2、图5所示,提供铺粉机构2,铺粉机构2容置于腔室11且可往复移动于供料机台13与建构机台14之间,铺粉机构2将待烧结粉末100由供料机台13铺平至建构机台14上。
如图3的步骤c及图1至图2、图6所示,提供移动式预热机构3,移动式预热机构3容置于腔室11且可往复移动于供料机台13及/或建构机台14,移动式预热机构3对待烧结粉末100加热至略低于该待烧结粉末100熔点的温度。
进一步说明如下,铺粉机构2与移动式预热机构3共同包含有一移动座5,铺粉机构2还包含有安装于移动座5并跟随移动座5移动的一铺粉模块22,移动式预热机构3还包含有安装于移动座5并跟随移动座5移动的一加热件32,加热件32对待烧结粉末100加热至略低于待烧结粉末100的熔点的温度。其中,加热件32可为一辐射热源,即加热件32可为红外线光源(例如:IR Lamp)或电加热管等辐射热源。
此外,本实施例的移动式预热机构3可往复移动于供料机台13与建构机台14之间,但不以此为限制,本发明的移动式预热机构3也可对应供料机台13及/或建构机台14加热,与已知加热设施是对整个机箱腔室进行加热明显不同。
另外,加热件32为红外线光源时,红外线光源与待烧结粉末100之间的间距小于10mm,使红外线光源很靠近待烧结粉末100加热,避免热源大量散开到其他区域,防止腔室11内部的例如:彩色打印喷头、马达等不耐热组件受到高温而损坏。
如图3的步骤d及图1至图2、图7所示,提供激光模块4,激光模块4对应建构机台14配置,激光模块4依据所需的图形对待烧结粉末100加热至待烧结粉末100的熔点的温度,从而使待烧结粉末100被烧结成一建构层200。
另外,如图3、图8至图9所示,在步骤d与步骤e之间还包括步骤d01、步骤d02及步骤d03。步骤d01为提供一降温机构9及一彩色打印模块8,降温机构9安装在彩色打印模块8与供料机台13之间,降温机构9能够移动于建构机台14上,降温机构9对应建构机台14配置且对建构层200降温;步骤d02为提供一收料机构7,收料机构7对应建构机台14配置,收料机构7回收未被烧结的待烧结粉末100。
其中,本实施例的降温机构9放置在彩色打印模块8的前方并能够跟随彩色打印模块8移动,以达到3D激光打印装置10具有先降温再着色的效用。
再者,步骤d03中,彩色打印模块8容置于腔室11且可移动于建构机台14上,彩色打印模块8具有一彩色打印喷头81,彩色打印喷头81依据所需的颜色及位置对所述建构层200着色。
其中,步骤d01、步骤d02的顺序可以互换,步骤d01主要为对建构层200降温,更加保护彩色打印喷头81,以避免彩色打印喷头81受到高温而损坏,但步骤d01非必要步骤,其可视实际情况省略。
如图3的步骤e及图1至图2所示,使建构机台14相对于承载台12下降,待待烧结粉末100再铺平至建构机台14上。
如图3的步骤f及图1至图2所示,重复执行步骤a至步骤e后,数个建构层200将彼此层积成一成品对象。
此外,上述步骤b、步骤c的顺序可以互换,移动式预热机构3对应建构机台14配置时,步骤c的顺序排在步骤b之后,即待烧结粉末100先被铺平在建构机台14,移动式预热机构3再对待烧结粉末100加热;移动式预热机构3对应供料机台13配置时,步骤c的顺序排在步骤b之前,即移动式预热机构3先对待烧结粉末100加热,待烧结粉末100再被铺平在建构机台14上。
如图6至图7所示,本发明3D激光打印装置10的使用状态,其是利用移动式预热机构3可对供料机台13或建构机台14加热,进而省略已知加热设施是对整个机箱腔室进行加热的步骤,使本发明中的机体1的腔室11温度不会过高,进而可在腔室11内部直接加装彩色打印喷头81、马达等不耐热组件,让3D激光打印装置10能够增加彩色打印、移动座5或铺粉模块22加装马达的功效,以使3D激光打印装置10具有功能多元化及组装简单的优点。
另外,移动式预热机构3的最佳实施为对应建构机台14配置,且移动式预热机构3包含有移动座5及加热件32,让加热件32对待烧结粉末100加热移动后,激光模块4可立即依据所需要的图形对待烧结粉末100烧结,避免待烧结粉末100温度下降而影响烧结作业的进行。
再者,铺粉机构2与移动式预热机构3共同结合在同一个移动座5上,使待烧结粉末100可同时进行被铺平在建构机台14上、加热及烧结作业,进而节省铺粉、加热及烧结作业的时间,以使3D激光打印装置10具有节省制程时间的优点。
请参考图10所示,为本发明3D激光打印装置的第二实施例,第二实施例与第一实施例大致相同,第二实施例与第一实施例不同之处在于铺粉模块22的结构不同。
详细说明如下,铺粉模块22包含一扑粉滚筒221及连接且带动扑粉滚筒221滚动的一驱动器222,此驱动器222为马达,扑粉滚筒221将待烧结粉末100由供料机台13铺平至建构机台14上。借此,因本发明中的机体1的腔室11温度不会过高,进而可在腔室11内部直接加装驱动器222等不耐热组件,让扑粉滚筒221可滚动,使3D激光打印装置10具有提升扑粉效率的功效。
请参考图11至图12所示,为本发明3D激光打印装置的第三、第四实施例,第三、第四实施例与第一实施例大致相同,第三、第四实施例与第一实施例不同之处在于铺粉机构2与移动式预热机构3的结构不同。
进一步说明如下,铺粉机构2包含有一第一移动座21及安装于第一移动座21并跟随第一移动座21移动的一铺粉模块22’,移动式预热机构3包含有一第二移动座31及安装于第二移动座31并跟随第二移动座31移动的一加热件32’,加热件32’对待烧结粉末100加热至略低于该待烧结粉末100熔点的温度。借此,第三、第四实施例的铺粉机构2与移动式预热机构3可分别移动,不同于第一实施例的铺粉机构2与移动式预热机构3必须一起移动。
其中,本实施例的第一移动座21与第二移动座31分别容置于腔室11且可往复移动于供料机台13与建构机台14之间,即铺粉机构2、移动式预热机构3分别可往复移动于供料机台13与建构机台14之间,但不以此为限制,本发明的移动式预热机构3也可对应供料机台13及/或建构机台14加热,与已知加热设施是对整个机箱腔室进行加热明显不同。
此外,第三实施例的铺粉机构2设置在移动式预热机构3与建构机台14之间,达到待烧结粉末100先被铺平再加热的结果;第四实施例的移动式预热机构3设置在铺粉机构2与建构机台14之间,达到待烧结粉末100先加热再被铺平的结果。
以上所述,仅为本发明的较佳可行实施例而已,并非因此局限本发明的专利范围,举凡运用本发明说明书及图式内容所做的等效结构变化,均理同包含于本发明的权利范围内,合予陈明。
Claims (20)
1.一种3D激光打印装置,其特征在于,包括:
一机体,该机体内部具有一腔室、设置于该腔室内部的一承载台及能够相对于该承载台升降的一供料机台及一建构机台;
一铺粉机构,容置于该腔室且能够往复移动于该供料机台与该建构机台之间;
一移动式预热机构,容置于该腔室且能够往复移动于该供料机台及/或该建构机台;以及
一激光模块,对应该建构机台配置。
2.如权利要求1所述的3D激光打印装置,其特征在于,其中该铺粉机构与该移动式预热机构共同包含有一移动座,该铺粉机构还包含有安装于该移动座并跟随该移动座移动的一铺粉模块,该移动式预热机构还包含有安装于该移动座并跟随该移动座移动的一加热件。
3.如权利要求1所述的3D激光打印装置,其特征在于,其中该铺粉机构包含有一第一移动座及安装于该第一移动座并跟随该第一移动座移动的一铺粉模块,该移动式预热机构包含有一第二移动座及安装于该第二移动座并跟随该第二移动座移动的一加热件。
4.如权利要求3所述的3D激光打印装置,其特征在于,其中该移动式预热机构能够往复移动于该供料机台与该建构机台之间。
5.如权利要求2或3所述的3D激光打印装置,其特征在于,其中该加热件为一辐射热源,该辐射热源为一红外线光源或一电加热管。
6.如权利要求2或3所述的3D激光打印装置,其特征在于,其中该铺粉模块包含一扑粉滚筒及连接且带动该扑粉滚筒滚动的一驱动器。
7.如权利要求2或3所述的3D激光打印装置,其特征在于,还包括一彩色打印模块,该彩色打印模块容置于该腔室且能够移动于该建构机台上,该彩色打印模块具有一彩色打印喷头。
8.如权利要求7所述的3D激光打印装置,其特征在于,还包括一降温机构,该降温机构安装在该彩色打印模块与该供料机台之间,该降温机构能够移动于该建构机台上且对应该建构机台配置。
9.如权利要求2或3所述的3D激光打印装置,其特征在于,还包括一供料机构及一收料机构,该供料机构对应该供料机台配置,该收料机构对应该建构机台配置。
10.一种3D激光打印装置的操作方法,其特征在于,其步骤包括:
a)提供一待烧结粉末及一机体,该机体内部具有一腔室、设置于该腔室内部的一承载台及能够相对于该承载台升降的一供料机台及一建构机台,将该待烧结粉末堆置于该供料机台上;
b)提供一铺粉机构,该铺粉机构容置于该腔室且能够往复移动于该建构机台与该供料机台之间,该铺粉机构将该待烧结粉末由该供料机台铺平至该建构机台上;
c)提供一移动式预热机构,该移动式预热机构容置于该腔室且能够往复移动于该供料机台及/或该建构机台,该移动式预热机构对该待烧结粉末加热至略低于该待烧结粉末熔点的温度;
d)提供一激光模块,该激光模块对应该建构机台配置,该激光模块依据所需的图形对该待烧结粉末加热至该待烧结粉末熔点的温度,从而使该待烧结粉末被烧结成一建构层;
e)使该建构机台相对于该承载台下降,待该待烧结粉末再铺平至该建构机台上;以及
f)重复执行步骤a至步骤e后,数个该建构层将彼此层积成一成品对象。
11.如权利要求10所述的3D激光打印装置的操作方法,其特征在于,步骤d之后还包括一个步骤d03,其中该步骤d03为提供一彩色打印模块,该彩色打印模块容置于该腔室且能够移动于该建构机台上,该彩色打印模块具有一彩色打印喷头,该彩色打印喷头依据所需的颜色及位置对该建构层着色。
12.如权利要求11所述的3D激光打印装置的操作方法,其特征在于,在步骤d与步骤d03之间还包括一个步骤d01,其中该步骤d01为提供一降温机构,该降温机构安装在该彩色打印模块与该供料机台之间,该降温机构能够移动于该建构机台上,该降温机构对应该建构机台配置且对该建构层降温。
13.如权利要求11所述的3D激光打印装置的操作方法,其特征在于,在步骤d与步骤d03之间还包括一个步骤d02,其中该步骤d02为提供一收料机构,该收料机构对应该建构机台配置,该收料机构回收未被烧结的该待烧结粉末。
14.如权利要求10所述的3D激光打印装置的操作方法,其特征在于,其中步骤b、步骤c的顺序能够互换,该移动式预热机构对应该建构机台配置时,步骤c的顺序排在步骤b之后,该移动式预热机构对应该供料机台配置时,步骤c的顺序排在步骤b之前。
15.如权利要求10所述的3D激光打印装置的操作方法,其特征在于,其中步骤a中还提供一供料机构,该供料机构对应该供料机台配置,该供料机构将该待烧结粉末堆置于该供料机台上。
16.如权利要求10所述的3D激光打印装置的操作方法,其特征在于,其中步骤b、步骤c中铺粉机构与移动式预热机构共同包含有一移动座,该铺粉机构还包含有安装于该移动座并跟随该移动座移动的一铺粉模块,该移动式预热机构还包含有安装于该移动座并跟随该移动座移动的一加热件,该加热件对该待烧结粉末加热至略低于该待烧结粉末熔点的温度。
17.如权利要求10所述的3D激光打印装置的操作方法,其特征在于,其中步骤b中该铺粉机构包含有一第一移动座及安装于该第一移动座并跟随该第一移动座移动的一铺粉模块,步骤c中该移动式预热机构包含有一第二移动座及安装于该第二移动座并跟随该第二移动座移动的一加热件,该加热件对该待烧结粉末加热至略低于该待烧结粉末熔点的温度。
18.如权利要求17所述的3D激光打印装置的操作方法,其特征在于,其中该移动式预热机构能够往复移动于该供料机台与该建构机台之间。
19.如权利要求16或17所述的3D激光打印装置的操作方法,其特征在于,其中该加热件为一辐射热源,该辐射热源为一红外线光源或一电加热管,该红外线光源与该待烧结粉末之间的间距小于10mm。
20.如权利要求16或17所述的3D激光打印装置的操作方法,其特征在于,其中该铺粉模块包含一扑粉滚筒及连接且带动该扑粉滚筒滚动的一驱动器,该扑粉滚筒将该待烧结粉末由该供料机台铺平至该建构机台上。
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- 2018-07-27 CN CN201810846144.7A patent/CN110757790A/zh active Pending
- 2018-11-27 JP JP2018221227A patent/JP2020015296A/ja not_active Ceased
- 2018-11-28 US US16/202,920 patent/US20200031049A1/en not_active Abandoned
- 2018-12-03 EP EP18209893.9A patent/EP3599081A1/en not_active Withdrawn
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CN115135485A (zh) * | 2020-04-17 | 2022-09-30 | 弗里曼特有限公司 | 粉末床的预热 |
CN115135485B (zh) * | 2020-04-17 | 2024-05-31 | 弗里曼特有限公司 | 粉末床的预热 |
Also Published As
Publication number | Publication date |
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JP2020015296A (ja) | 2020-01-30 |
EP3599081A1 (en) | 2020-01-29 |
US20200031049A1 (en) | 2020-01-30 |
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