The utility model relates to a 3D printing head for monitoring compensation function in the field of 3D printing. A 3D printing head with monitoring compensation function includes a composite mounting bracket, an installation board is provided on the composite mounting bracket, a main row print head and an auxiliary row print head are provided on the installation board, the main row print head and the auxiliary printing press are arranged on the installation board. The head is connected with an on-line monitoring device for detecting the injection parameters of each print head. A scanning window is set on the installation board between the main print head and the auxiliary print head. The scanning window is used for the online scanning device to scan the print head of the main row of the main row. The online scanning device is used to scan the print image of the main row head. The aid printing head is used to compensate the ejection position of the main print head to compensate for jet printing. The 3D printing head of the utility model monitors the quality of the main row print head in a timely manner through an on-line monitoring device and an online scanning device, and compensates printing at the right time by the auxiliary printing head.
【技术实现步骤摘要】
一种具有监测补偿功能的3D打印头
本技术涉及3D打印
,特别涉及一种用于微滴喷射3D打印装置的具有监测补偿功能的3D打印头。
技术介绍
铸造砂型的3D打印技术是增材制造技术的重要应用领域。铸造砂型的分层打印原理决定砂型的制备过程由几百层甚至上千层连续扫描打印过程组成,各打印过程包括铺粉和打印头选择性喷射粘结剂两个动作,后者中出现漏喷或不喷粘结剂的故障现象均会导致砂型断层报废,这使得打印头喷射状态参数实时监测和喷射误差补偿技术对铸造砂型3D打印整机可靠性尤为重要。现有技术中,在提高3D打印头工作可靠性和延长使用寿命方面,公开号为CN103218479A,名称为“用于细胞打印的压电式喷头优化设计方法”的技术专利中,公开了一种用于压电式打印头的优化设计方法。该技术基于有限元理论建立喷头流体动力学模型,通过计算打印头喷孔内各点处压力后推算出压力波动周期,结合电压脉宽调整方法对该模型进行优化并指导打印头设计过程,实现结构优化设计。该技术从打印头结构优化设计的角度主要解决现有压电式喷墨打印头在打印时喷孔易堵塞、可靠性低的问题;公开号为CN105729799A,公开日期为 ...
【技术保护点】
一种具有监测补偿功能的3D打印头,包括复合安装支架,所述复合安装支架上设有安装板,其特征在于,所述安装板上设有主排打印头和辅助排打印头,所述主排打印头和辅助排打印头分别连接有用于检测各打印头喷射参数的在线监测装置,所述主排打印头和辅助排打印头之间的安装板上设有扫描窗口,所述扫描窗口用于在线扫描装置扫描主排打印头的打印图案,所述在线扫描装置用于扫描主排打印头的打印图像,所述辅助排打印头用于对主排打印头的漏喷位置进行补偿喷射打印。
【技术特征摘要】
1.一种具有监测补偿功能的3D打印头,包括复合安装支架,所述复合安装支架上设有安装板,其特征在于,所述安装板上设有主排打印头和辅助排打印头,所述主排打印头和辅助排打印头分别连接有用于检测各打印头喷射参数的在线监测装置,所述主排打印头和辅助排打印头之间的安装板上设有扫描窗口,所述扫描窗口用于在线扫描装置扫描主排打印头的打印图案,所述在线扫描装置用于扫描主排打印头的打印图像,所述辅助排打印头用于对主排打印头的漏喷位置进行补偿喷射打印。2.根据权利要求1所述的具有监测补偿功能的3D打印头,其特征在于,所述主排打印头和辅助排打印头分别包括若干阵列排布的打印单元,所述主排打印头沿打印头行进方向位于辅助排打印头的前方。3.根据权利要求1所述的具有监测补偿功能的3D打印头,其特征在于,所述主排打印头包括前后平行布置的两排或两排以上...
【专利技术属性】
技术研发人员:刘宏,刘轶,
申请(专利权)人:宁夏共享模具有限公司,
类型:新型
国别省市:宁夏,64
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