CN109466059A - 光固化立体打印机 - Google Patents
光固化立体打印机 Download PDFInfo
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- B29C64/30—Auxiliary operations or equipment
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Abstract
本发明公开一种光固化立体打印机,此光固化立体打印机包括传送机构、出料机构、回收机构、活动载台及固化用光源,传送机构包含透光输送带,透光输送带上方区分有出料区、收料区及固化区;出料机构安装于出料区,出料机构包含第一料框及出料喷头,出料喷头对应第一料框设置,第一料框设有出料通口;回收机构安装于收料区,回收机构包含第二料框及收料吸头,第一料框与第二料框邻近或贴触于透光输送带,收料吸头对应第二料框设置,第二料框设有收料通口;活动载台安装于固化区;固化用光源对应固化区设置。
Description
技术领域
本发明涉及一种打印装置,且特别涉及一种光固化立体打印机。
背景技术
3D打印(3D printing),其利用电脑辅助设计(computer-aided design,CAD)等软件建构出3D模型的数据,再通过建构材料加热冷却或光固化等方式,在XY平面上建构出形状正确的横截面层,最后将多个横截面层沿Z轴逐渐连续堆叠,进而使建构材料在逐层固化的状态下形成预设的立体物件。
其中,传统光固化(Stereolithography)立体打印机,采用升降平台浸入盛装在盛槽中的液态成型材中,而光源模组在XY平面上照射作为建构材料的液态成型材,以使液态成型材受光照而固化,再藉由升降平台沿着轴向Z逐层移动,即可使液态成型材逐层固化并彼此堆叠于升降平台上而形成立体物件。
然而,上述传统光固化立体打印机具有以下缺点,在立体物件通过逐层堆叠而成型的过程中,被固化的液态成型材亦会黏着于盛槽的底部,亦可能干扰光源的照射而影响后续的成型结果。因此,在现有的光固化立体打印技术下,如何有效提高立体打印机的打印精确度、速度及成功率,成为本领域开发人员关注的焦点。
发明内容
本发明的目的在于提供一种光固化立体打印机,其是利用固化层会完全黏附活动载台,且回收机构会回收打印料材,进而省略现有固化层会黏着于盛槽底部且干扰固化用光源的问题,以有效提升本发明光固化立体打印机的打印精确度、速度及成功率。
于本发明实施例中,本发明提供一种光固化立体打印机,包括:一传送机构,包含一透光输送带,该透光输送带上方区分有一出料区、一收料区及设置在该出料区与该收料区之间的一固化区;一出料机构,安装于该出料区,该出料机构包含一第一料框及一出料喷头,该第一料框邻近或贴触于该透光输送带,该出料喷头对应该第一料框设置,该第一料框的一侧设有一出料通口;一回收机构,安装于该收料区,该回收机构包含一第二料框及一收料吸头,该第二料框邻近或贴触于该透光输送带,该收料吸头对应该第二料框设置,该第二料框的一侧设有一收料通口,该出料通口与该收料通口呈相对配置,该透光输送带朝该出料通口往该收料通口方向移动;一活动载台,安装于该固化区且能够接近或远离该透光输送带;以及一固化用光源,对应该固化区设置。
基于上述,第一料框在出料通口处安装有可调式阀门,可调式阀门能够接近或远离于透光输送带,且可调式阀门延伸有刮板,进而能够调整刮板与透光输送带之间的间隔距离,在通过刮板控制离开出料通口后的打印料材的厚度及平整度。
以下结合附图和具体实施例对本发明进行详细描述,但不作为对本发明的限定。
附图说明
图1本发明光固化立体打印机的立体示意图;
图2本发明光固化立体打印机的剖面示意图;
图3本发明光固化立体打印机的局部剖面示意图;
图4本发明第一料框的仰视示意图;
图5本发明光固化立体打印机的第一使用状态剖面示意图;
图6本发明光固化立体打印机的第一使用状态俯视示意图;
图7本发明光固化立体打印机的第二使用状态剖面示意图;
图8本发明光固化立体打印机的第二使用状态俯视示意图;
图9本发明光固化立体打印机的第三使用状态剖面示意图;
图10本发明光固化立体打印机的第三使用状态俯视示意图;
图11本发明光固化立体打印机的第四使用状态剖面示意图;
图12本发明光固化立体打印机的第四使用状态俯视示意图;
图13本发明光固化立体打印机的第五使用状态剖面示意图;
图14本发明光固化立体打印机的第五使用状态俯视示意图;
图15本发明光固化立体打印机的第六使用状态剖面示意图;
图16本发明光固化立体打印机另一实施例的使用状态示意图。
10…光固化立体打印机
1…传送机构
11…透光输送带
111…透光薄膜
12…卷筒器
13…出料区
14…收料区
15…固化区
2…出料机构
21…第一料框
211…出料通口
22…出料喷头
23…料管
24…可调式阀门
241…刮板
3…回收机构
31…第二料框
311…收料通口
32…收料吸头
33…抽吸管
4…活动载台
41…承载面
5…固化用光源
a、b…开口宽度
100…打印料材
200…固化层
具体实施方式
有关本发明的详细说明及技术内容,将配合附图说明如下,然而所附的附图仅作为说明用途,并非用于局限本发明。
请参考图1至图15所示,本发明提供一种光固化立体打印机,此光固化立体打印机10主要包括一传送机构1、一出料机构2、一回收机构3、一活动载台4及一固化用光源5。
如图1至图2、图5至图15所示,传送机构1包含一透光输送带11,透光输送带11上方区分有一出料区13、一收料区14及设置在出料区13与收料区14的间的一固化区15。
进一步说明如下,本实施例的透光输送带11为一透光薄膜111,传送机构1更包含二卷筒器12,透光薄膜111的两端分别卷绕于二卷筒器12,此二卷筒器12可控制本身的转动速度差,从而调整透光薄膜111的张力。
请参考图1至图15所示,出料机构2安装于出料区13,出料机构2包含一第一料框21及一出料喷头22,第一料框21邻近或贴触于透光输送带11,出料喷头22对应第一料框21设置,第一料框21的一侧设有一出料通口211。其中,出料喷头22可对应第一料框21的中间,或出料喷头22可对应远离出料通口211的内侧设置,并不限定。
详细说明如下,出料机构2更包括一可调式阀门24,可调式阀门24安装于出料通口211且能够接近或远离于透光输送带11,可调式阀门24朝透光输送带11方向延伸有一刮板241。
另外,出料机构2更包括多个料管23,多个料管23设置在出料喷头22的上方且连通出料喷头22,各料管23可为不同颜色或不同材料的供料管。
如图1至图2、图5至图15所示,回收机构3安装于收料区14,回收机构3包含一第二料框31及一收料吸头32,第二料框31邻近或贴触于透光输送带11,收料吸头32对应第二料框31设置,第二料框31的一侧设有一收料通口311,出料通口211与收料通口311呈相对配置,透光输送带11朝出料通口211往收料通口311方向移动,且出料通口211的开口宽度a小于收料通口311的开口宽度b。其中,收料吸头32可对应第二料框31的中间,或收料吸头32可对应远离收料通口311的内侧设置,并不限定。
另外,第一料框21与第二料框31的形状分别为矩形,出料喷头22与收料吸头32的形状分别为长条形,但不以此为限制,使出料喷头22以尽量布满第一料框21的宽度方式设置,收料吸头32以尽量布满第二料框31的宽度方式设置,进而便利打印料材100快速布满第一料框21,及打印料材100快速被收料吸头32抽吸。
再者,回收机构3更包含多个抽吸管33,多个抽吸管33设置在收料吸头32的上方且连通收料吸头32,各抽吸管33均匀配置在收料吸头32上方,进而收料吸头32具有均匀分配的抽吸力。
如图1至图2、图5、图7、图9至图11、图13、图15所示,活动载台4安装于固化区15且能够接近或远离透光输送带11,活动载台4具有相对透光输送带11配置的一承载面41,承载面41的表面摩擦系数大于透光输送带11的表面摩擦系数。
如图1至图2、图5、图7、图9、图11、图13、图15所示,固化用光源5对应固化区15设置,固化用光源5安装在透光输送带11及固化区15的下方,固化用光源5能够对应打印料材100照射,使打印料材100光照固化成固化层200。
请参考图1至图15所示,本发明光固化立体打印机10的组合,其是利用传送机构1包含透光输送带11,透光输送带11上方区分有出料区13、收料区14及设置在出料区13与收料区14之间的固化区15;出料机构2安装于出料区13,出料机构2包含第一料框21及出料喷头22,第一料框21邻近或贴触于透光输送带11,出料喷头22对应第一料框21设置,第一料框21的一侧设有出料通口211;回收机构3安装于收料区14,回收机构3包含第二料框31及收料吸头32,第二料框31邻近或贴触于透光输送带11,收料吸头32对应第二料框31设置,第二料框31的一侧设有收料通口311,出料通口211与收料通口311呈相对配置,透光输送带11朝出料通口211往收料通口311方向移动;活动载台4安装于固化区15且能够接近或远离透光输送带11;固化用光源5对应固化区15设置。
请参考图5至图15所示,本发明光固化立体打印机10的使用状态,第一使用状态如图5至图6所示,出料喷头22对第一料框21内部注入打印料材100,且透光输送带11持续朝出料通口211往收料通口311方向移动,使打印料材100逐渐在第一料框21内部布设出适当面积;第二使用状态如图7至图8所示,透光输送带11再持续朝出料通口211往收料通口311方向移动,使布设出适当面积的打印料材100通过出料通口211且被出料通口21的开口上缘(刮板241)刮整成一薄层状打印料材100;第三使用状态如图9至图10所示,透光输送带11暂停移动,使薄层状打印料材100停留在固化区15,活动载台4下移且贴触于打印料材100,固化用光源5以可调整光照路径或光照范围方式照射打印料材100,使部分薄层状打印料材100被光照固化成预设形状的一层固化层200;第四使用状态如图11至图12所示,因承载面41的表面摩擦系数大于透光输送带11的表面摩擦系数,所以固化层200会选择表面摩擦系数大的表面黏附,使固化层200选择承载面41黏附,而剩余的打印料材100留在透光输送带11上;第五使用状态如图13至图14所示,透光输送带11再持续朝出料通口211往收料通口311方向移动,使剩余的打印料材100会通过收料通口311进入第二料框31内部,最后剩余的打印料材100被收料吸头32抽吸回收,而完成一打印层步骤;第六使用状态如图15所示,重复上述打印层步骤数次,即可让一层层的薄层状打印料材100光照固化成一层层的固化层200,最后一层层的固化层200在活动载台4逐层堆叠成预设的立体物件。藉此,固化层200会完全黏附活动载台4,且回收机构3会回收打印料材100,进而省略现有固化层会黏着于盛槽底部且干扰固化用光源的问题,以有效提升本发明光固化立体打印机10的打印精确度、速度及成功率。
另外,第一料框21在出料通口211处安装有可调式阀门24,可调式阀门24延伸有刮板241,可调式阀门24能够接近或远离于透光输送带11,从而调整刮板241与透光输送带11之间的间隔距离,再通过刮板241刮整出一层薄层状打印料材100所需的厚度及平整度,因一层薄层状打印料材100光照固化后即成为一层固化层200,所以利用刮板241的调整即可控制一层固化层200的厚度及平整度。
再者,出料通口211的开口宽度a小于收料通口311的开口宽度b,以保证剩余的打印料材100能确实通过收料通口311进入第二料框31内部。
请参考图16所示,光固化立体打印机10的另一实施例,图1至图15的实施例与图16的实施例大致相同,但图1至图15的实施例与图16的实施例不同之处在出料喷头22设置的位置。
详细说明如下,如图1所示,出料喷头22安装在第一料框21离出料通口211的内侧,使出料喷头22喷出的打印料材100能尽量布满第一料框21;如图16所示,出料喷头22安装在第一料框21的上方中间处,使出料喷头22喷出的打印料材100仅于第一料框21内布设出适当面积,而无须布满第一料框21。
但不论,出料喷头22对应第一料框21的中间或远离出料通口211的内侧设置,打印料材100有无布满第一料框21,只要离开出料通口211的薄层状打印料材100达到预定面积,即可进行后续的打印层步骤。
当然,本发明还可有其它多种实施例,在不背离本发明精神及其实质的情况下,熟悉本领域的技术人员当可根据本发明作出各种相应的改变和变形,但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
Claims (10)
1.一种光固化立体打印机,其特征在于,包括:
一传送机构,包含一透光输送带,该透光输送带上方区分有一出料区、一收料区及设置在该出料区与该收料区之间的一固化区;
一出料机构,安装于该出料区,该出料机构包含一第一料框及一出料喷头,该第一料框邻近或贴触于该透光输送带,该出料喷头对应该第一料框设置,该第一料框的一侧设有一出料通口;
一回收机构,安装于该收料区,该回收机构包含一第二料框及一收料吸头,该第二料框邻近或贴触于该透光输送带,该收料吸头对应该第二料框设置,该第二料框的一侧设有一收料通口,该出料通口与该收料通口呈相对配置,该透光输送带朝该出料通口往该收料通口方向移动;
一活动载台,安装于该固化区且能够接近或远离该透光输送带;以及
一固化用光源,对应该固化区设置。
2.根据权利要求1所述的光固化立体打印机,其特征在于,该活动载台具有相对该透光输送带配置的一承载面,该承载面的表面摩擦系数大于该透光输送带的表面摩擦系数。
3.根据权利要求1所述的光固化立体打印机,其特征在于,该出料通口的开口宽度小于该收料通口的开口宽度。
4.根据权利要求1所述的光固化立体打印机,其特征在于,该出料机构更包括一可调式阀门,该可调式阀门安装于该出料通口且能够接近或远离于该透光输送带。
5.根据权利要求4所述的光固化立体打印机,其特征在于,该可调式阀门朝该透光输送带方向延伸有一刮板。
6.根据权利要求1所述的光固化立体打印机,其特征在于,该透光输送带为一透光薄膜,该传送机构更包含二卷筒器,该透光薄膜的两端分别卷绕于该二卷筒器。
7.根据权利要求1所述的光固化立体打印机,其特征在于,该出料机构更包括多个料管,该多个料管设置在该出料喷头的上方且连通该出料喷头。
8.根据权利要求1所述的光固化立体打印机,其特征在于,该回收机构更包括多个抽吸管,该多个抽吸管设置在该收料吸头的上方且连通该收料吸头。
9.根据权利要求1所述的光固化立体打印机,其特征在于,该第一料框与该第二料框的形状分别为矩形,该出料喷头与该收料吸头的形状分别为长条形。
10.根据权利要求1所述的光固化立体打印机,其特征在于,该固化用光源安装在该透光输送带及该固化区的下方。
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