CN108527851A - 一种短纤维和光敏树脂光固化复合成形装置 - Google Patents
一种短纤维和光敏树脂光固化复合成形装置 Download PDFInfo
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Abstract
本发明涉及3D打印技术领域,尤其涉及一种短纤维和光敏树脂光固化复合成形装置。包括树脂槽,设置在树脂槽内的工作台以及设置在树脂槽上端的喷料喷头和第一激光器和第二激光器,所述工作台通过一侧传动装置带动上下移动,所述喷料喷头与配料装置连通;所述第一激光器、第二激光器,对应设置有第一扫描镜、第二扫描镜,所述第一激光器发出的激光经过第一扫描镜后射向树脂槽从而固化树脂打印产品;所述第二激光器发出的激光经过第二扫描镜后射向树脂槽对打印层进行轮廓信息切割。发明的效益是改变了现有单一模态打印成形,将复合材料喷射成形工艺与光固化成形,采用两种模态(纯树脂材料、增强材料)打印成形。提高了产品强度与成型品质。
Description
技术领域
本发明涉及3D打印技术领域,尤其涉及一种短纤维和光敏树脂光固化复合成形装置。
背景技术
快速成型技术又称3D打印,基于离散的增长方式成型原型或制品。即在计算机上设计零件的三维模型,利用快速成型装置,通过叠层累加的方式,成型模型或制品。主要包括光固化快速成型(SLA)、叠层实体制造技术(LOM)、选择性激光烧结(SLS)快速成型等。改善了设计过程中的人机交流,缩短了产品开发周期,加快了产品更新换代速度,降低了投资风险,减少了投资风险。3D打印逐步被大众了解,发展快速。
发明内容
本发明的目的在于克服现有技术的不足,适应现实需要,提供一种短纤维和光敏树脂光固化复合成形装置。
为了实现本发明的目的,本发明采用的技术方案为:
一种短纤维和光敏树脂光固化复合成形装置,包括树脂槽,设置在树脂槽内的工作台以及设置在树脂槽上端的喷料喷头和第一激光器和第二激光器,所述工作台通过一侧传动装置带动上下移动,所述树脂槽内充满树脂,所述树脂槽上端两侧设置有四根垂直导轨,所述四根垂直导轨上横向平行设置有两个根水平导轨,所述两个根水平导轨上设置有一根滑轨,所述喷料喷头竖直设置在所述滑轨上,所述喷料喷头与配料装置连通;所述第一激光器、第二激光器,对应设置有第一扫描镜、第二扫描镜,所述第一激光器发出的激光经过第一扫描镜后射向树脂槽从而固化树脂打印产品;所述第二激光器发出的激光经过第二扫描镜后射向树脂槽对打印层进行轮廓信息切割。
所述配料装置包括,混料室、连续纤维送料装置、储料罐、储气罐,所述储料罐内装有纤维表面处理剂,所述储气罐内充有高压氮气,所述连续纤维送料装置为圆柱状,所述连续纤维增强材料包覆于连续纤维送料装置外层,所述连续纤维送料装置一端设置有短纤维喷枪,所述短纤维喷枪内设置有切砂器,所述连续纤维送料装置通过转动将纤维增强材料输送到短纤维喷枪内,所述短纤维喷枪喷头插入混料室内;所述储料罐与雾化喷枪连通,所述雾化喷枪喷口插入混料室,所述储气罐分别通过管道和短纤维喷枪,雾化喷枪以及混料室连通。
所述短纤维喷枪、雾化喷枪、混料室连通和储气罐连通的管道上,分别设置有第一调压阀、第二调压阀、第三调压阀,所述储气罐出气总管上设置有第一电磁阀,所述储料罐与雾化喷枪连通的管道上设置有第二电磁阀以及增压泵,所述混料室和喷料喷头连接的管道上设置有第三电磁阀,所述喷料喷头内设置有节流阀。
所述连续纤维送料装置上的连续纤维材料为玻璃纤维、碳纤维、芳纶纤维等各类纤维丝。
所述连续纤维送料装置一端设置有一对调压辊,一对牵引辊,所述连续纤维材料穿过一对调压辊和一对牵引辊输送至短纤维喷枪。
所述连续纤维送料装置设置有一个以上。
所述滑轨下设置有压板,所述树脂槽上端一侧设置有刮板。
本发明的有益效果在于:
发明的效益是改变了现有单一模态打印成形,将复合材料喷射成形工艺与光固化成形,采用两种模态(纯树脂材料、增强材料)打印成形。提高了产品强度与成型品质。
附图说明
下面结合附图和实施案例对本发明做进一步的说明。
图1为本发明的示意图;
图2,图3为本发明部分示意图;
图4为本发明不同安装结构示意图。
其中,1树脂槽,101刮板,2工作台,201传动装置,3混料室、301短纤维喷枪,302雾化喷枪,303第三电磁阀,4连续纤维送料装置,401调压辊,402牵引辊,5储料罐,501第二电磁,502增压泵,6储气罐,601第一电磁阀,602第一调压阀,603第二调压阀,604第三调压阀,7喷料喷头,701水平导轨,702竖直导轨,703压板,704滑轨,8第二激光器,801第一扫描镜,9第一激光器,901第一扫描镜。
具体实施方式
下面结合附图和实施例对本发明进一步说明:
参见图1-3。
本发明公开了一种短纤维和光敏树脂光固化复合成形装置,包括树脂槽1,设置在树脂槽1内的工作台2以及设置在树脂槽1上端的喷料喷头7和第一激光器9和第二激光器8,所述工作台2通过一侧传动装置201带动上下移动,所述树脂槽1内充满树脂,所述树脂槽1上端两侧设置有四根垂直导轨702,所述四根垂直导轨702上横向平行设置有两个根水平导轨701,所述两个根水平导轨701上设置有一根滑轨704,所述喷料喷头7竖直设置在所述滑轨704上,所述喷料喷头7与配料装置连通;所述第一激光器9、第二激光器8,对应设置有第一扫描镜901、第二扫描镜801,所述第一激光器9发出的激光经过第一扫描镜901后射向树脂槽1从而固化树脂打印产品;所述第二激光器8发出的激光经过第二扫描镜801后射向树脂槽1对打印层进行轮廓信息切割。
所述配料装置包括,混料室3、连续纤维送料装置4、储料罐5、储气罐6,所述储料罐5内装有纤维表面处理剂,所述储气罐6内充有高压氮气,所述连续纤维送料装置4为圆柱状,所述连续纤维增强材料包覆于连续纤维送料装置4外层,所述连续纤维送料装置4一端设置有短纤维喷枪301,所述短纤维喷枪301内设置有切砂器,所述连续纤维送料装置4通过转动将纤维增强材料输送到短纤维喷枪301内,所述短纤维喷枪301喷头插入混料室内;所述储料罐5与雾化喷枪302连通,所述雾化喷枪302喷口插入混料室3,所述储气罐6分别通过管道和短纤维喷枪301,雾化喷枪302以及混料室3连通。
所述短纤维喷枪301、雾化喷枪302、混料室3连通和储气罐6连通的管道上,分别设置有第一调压阀602、第二调压阀603、第三调压阀604,所述储气罐6出气总管上设置有第一电磁阀601,所述储料罐5与雾化喷枪302连通的管道上设置有第二电磁阀501以及增压泵502,所述混料室3和喷料喷头7连接的管道上设置有第三电磁阀303,所述喷料喷头7内设置有节流阀。
所述连续纤维送料装置4上的连续纤维材料为玻璃纤维、碳纤维、芳纶纤维等各类纤维丝。
所述连续纤维送料装置4一端设置有一对调压辊401,一对牵引辊402,所述连续纤维材料穿过一对调压辊401和一对牵引辊402输送至短纤维喷枪301。
所述连续纤维送料装置4设置有一个以上。
所述滑轨下设置有压板703,所述树脂槽1上端一侧设置有刮板101。
本发明的使用原理简述如下:
(1)设备启动,前期模型导入、定位、切片处理等工序完成。
(2)启动打印表面层模式,工作台2升降至工作位置,刮板101往复运动,铺平树脂液面(一个打印层厚)。
(3)第一激光器9启动,按照产品分层信息打印产品。
(4)重复步骤(2)、(3),直至完成产品下表面富树脂层打印。
(5)启动打印增强层模式,工作台2保持原位高度。
(6)启动连续纤维送料装置4,连续纤维经调压辊401、牵引辊402进入切砂器短切至设定长度(满足铺覆层厚要求)。
(7)启动第二电磁阀603,增压泵502,储料罐3(温度可控)中纤维表面处理剂(热熔型粘结剂,提高短纤维与光敏树脂界面粘合)进入温度可控的雾化喷枪302。
(8)启动第一电磁阀601,同时调节第一调压阀602,高压氮气进入短纤维喷枪301,使得短纤维丝由短纤维喷枪喷出至混料室3;调节第二调压阀603,高压氮气进入雾化喷枪301,使得纤维表面处理剂雾化喷出至混料室3;调节第三调压阀604,高压氮气进入混料室。
(9)步骤(5)-(8)同时进行,短切纤维与雾化后的表面处理剂同时进入雾化室(温度可控),雾状表面处理剂包覆短纤维表面并固化,完成表面处理过程。
(10)启动第三电磁阀303,表面包覆处理后的短纤维进入喷料喷头7,调节喷料喷头7内的节流阀,控制喷头喷出量。
(11)启动控制系统,喷料喷头7沿打印分层规划路径,随导轨平面移动,喷料喷涂7铺覆增强层(分层厚度),铺覆完成后退回初始位置。
(12)压板703(其结构设计应满足复位后不与激光路径发生干涉,不遮挡激光束)沿垂直导轨702下压至设定铺覆层高度,同时升温,使得短纤维表面粘结剂热熔,与已成型面粘合,之后压板703复位,冷却固化。
(13)工作台2下降一个分层厚度。
(14)刮板101往复运动,铺平树脂液面。
(15)启动第一激光器9,按照产品分层信息打印增强层。
(16)启动第二激光器8,按产品分层轮廓信息切割多余增强纤维层。
(17)重复步骤(5)-(16),完成产品增强层打印成形。
(18)重复步骤(2)、(3),直至完成产品上表面富树脂层打印。
(19)打印过程中,除产品上、下表面富树脂层外,芯部增强层和富树脂层可根据产品功能需要交替进行打印成形。
(20)产品制造完成之后,顺序关闭第一激光器9、第二激光器8、牵引装置、切砂器、第一电磁阀602、第二电磁阀603、第三电磁阀604,第一调压阀601、第二调压阀602、增压泵502及喷料喷头7内的节流阀等,关闭设备。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等同变换或直接或间接运用在相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (7)
1.一种短纤维和光敏树脂光固化复合成形装置,包括树脂槽(1),设置在树脂槽(1)内的工作台(2)以及设置在树脂槽(1)上端的喷料喷头(7)和第一激光器(9)和第二激光器(8),其特征在于:所述工作台(2)通过一侧传动装置(201)带动上下移动,所述树脂槽(1)内充满树脂,所述树脂槽(1)上端两侧设置有四根垂直导轨(702),所述四根垂直导轨(702)上横向平行设置有两个根水平导轨(701),所述两个根水平导轨(701)上设置有一根滑轨(704),所述喷料喷头(7)竖直设置在所述滑轨(704)上,所述喷料喷头(7)与配料装置连通;所述第一激光器(9)、第二激光器(8),对应设置有第一扫描镜(901)、第二扫描镜(801),所述第一激光器(9)发出的激光经过第一扫描镜(901)后射向树脂槽(1)从而固化树脂打印产品;所述第二激光器(8)发出的激光经过第二扫描镜(801)后射向树脂槽(1)对打印层进行轮廓信息切割。
2.根据权利要求1所述的一种短纤维和光敏树脂光固化复合成形装置,其特征在于:所述配料装置包括,混料室(3)、连续纤维送料装置(4)、储料罐(5)、储气罐(6),所述储料罐(5)内装有纤维表面处理剂,所述储气罐(6)内充有高压氮气,所述连续纤维送料装置(4)为圆柱状,所述连续纤维增强材料包覆于连续纤维送料装置(4)外层,所述连续纤维送料装置(4)一端设置有短纤维喷枪(301),所述短纤维喷枪(301)内设置有切砂器,所述连续纤维送料装置(4)通过转动将纤维增强材料输送到短纤维喷枪(301)内,所述短纤维喷枪(301)喷头插入混料室内;所述储料罐(5)与雾化喷枪(302)连通,所述雾化喷枪(302)喷口插入混料室(3),所述储气罐(6)分别通过管道和短纤维喷枪(301),雾化喷枪(302)以及混料室(3)连通。
3.根据权利要求1或权利要求2所述的一种短纤维和光敏树脂光固化复合成形装置,其特征在于:所述短纤维喷枪(301)、雾化喷枪(302)、混料室(3)连通和储气罐(6)连通的管道上,分别设置有第一调压阀(602)、第二调压阀(603)、第三调压阀(604),所述储气罐(6)出气总管上设置有第一电磁阀(601),所述储料罐(5)与雾化喷枪(302)连通的管道上设置有第二电磁阀(501)以及增压泵(502),所述混料室(3)和喷料喷头(7)连接的管道上设置有第三电磁阀(303),所述喷料喷头(7)内设置有节流阀。
4.根据权利要求2所述的一种短纤维和光敏树脂光固化复合成形装置,其特征在于:所述连续纤维送料装置(4)上的连续纤维材料为玻璃纤维、碳纤维、芳纶纤维等各类纤维丝。
5.根据权利要求2所述的一种短纤维和光敏树脂光固化复合成形装置,其特征在于:所述连续纤维送料装置(4)一端设置有一对调压辊(401),一对牵引辊(402),所述连续纤维材料穿过一对调压辊(401)和一对牵引辊(402)输送至短纤维喷枪(301)。
6.根据权利要求2所述的一种短纤维和光敏树脂光固化复合成形装置,其特征在于:所述连续纤维送料装置(4)设置有一个以上。
7.根据权利要求1所述的一种短纤维和光敏树脂光固化复合成形装置,其特征在于:所述滑轨下设置有压板(703),所述树脂槽(1)上端一侧设置有刮板(101)。
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