CN108422659B - 一种自带喷头间隙检测功能的3d打印喷头组件 - Google Patents

一种自带喷头间隙检测功能的3d打印喷头组件 Download PDF

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CN108422659B
CN108422659B CN201810430205.1A CN201810430205A CN108422659B CN 108422659 B CN108422659 B CN 108422659B CN 201810430205 A CN201810430205 A CN 201810430205A CN 108422659 B CN108422659 B CN 108422659B
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CN108422659A (zh
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曹杰
梁旺
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Jiangsu Weibaoshi Intelligent Technology Co.,Ltd.
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling

Abstract

本发明公开了一种自带喷头间隙检测功能的3D打印喷头组件，包括罩壳、喷头、喉管、铝块、检测开关、开关板、弹簧和套管，喉管外部设有外螺纹，检测开关设于开关板上，开关板通过螺丝固定于铝块上；所述套管内部设有内螺纹并旋转套于所述喉管上；所述弹簧套设于所述喉管上并设于所述套管上方；所述套管一侧设有凸台，所述凸台下端接触所述罩壳底部；所述铝块侧面设有喉管固定孔，喉管固定螺丝通过所述喉管固定孔固定所述喉管；所述铝块上设有一进丝孔，所述进丝孔下端面设有环形接触面，用于接触所述弹簧；所述罩壳底部设有一通孔，所述套管与所述通孔匹配；该组件可以防止检测开关受损，不影响打印面积、同时实现喷头快速拆卸。

Description

一种自带喷头间隙检测功能的3D打印喷头组件
技术领域
本发明涉及一种3D打印机的技术领域，具体涉及一种自带喷头间隙检测功能的3D打印喷头组件。
背景技术
熔融沉积快速成型技术（FDM）是主要的3D打印技术之一。FDM技术，又称热熔堆积技术，该技术是将热熔型料丝加热融化后从喷头挤出，沉积在打印工作平台或前一层已固化的材料上，当温度低于料丝固化温度后开始固化成型，最终打印成实体。
3D打印机打印喷头与打印平台之间的间隙会影响打印效果，因此打印机在打印之前需要检测打印间隙从而完成平台调平，现有的3D打印机是通过在打印平台上开设三至四个检测孔，在打印喷头旁边设置一个检测开关，在喷头进入检测孔时，检测开关触碰打印平台来检测喷头与打印平台间的高度，检测这三至四个检测孔的高度一致则完成调平；该调平装置的有效打印面积小、打印平台美观性差；当喷头与打印平台之间的间隙过小时，打印平台上移会造成检测开关损坏，实施性差。
故需要一种方案解决上述问题。
发明内容
为了解决上述问题，本发明提供了一种自带喷头间隙检测功能的3D打印喷头组件，该组件可以防止检测开关受损，不影响打印面积同时又能实现喷头快速拆卸。
本发明的技术方案是：一种自带喷头间隙检测功能的3D打印喷头组件，包括罩壳、喷头、喉管、铝块、检测开关、开关板、弹簧和套管，喉管外部设有外螺纹，检测开关设于开关板上，开关板通过螺丝固定于铝块上；所述套管内部设有内螺纹并套于所述喉管上；所述弹簧套设于所述喉管上并设于所述套管上方；所述套管一侧设有凸台，所述凸台下端接触所述罩壳底部；所述铝块侧面设有喉管固定孔，喉管固定螺丝通过所述喉管固定孔固定所述喉管；所述铝块上设有一进丝孔，所述进丝孔下端面设有环形接触面，用于接触所述弹簧；所述罩壳底部设有一个通孔，所述套管与所述通孔匹配，当所述套管进入所述通孔内时，旋转所述喷头至无法旋转从而固定所述喷头，反向旋转所述喷头至所述套管对应所述通孔从而取下所述喷头。该组件结构可以实现防止检测开关受损，不影响打印面同时又能实现喷头快速拆卸的功能。
附图说明
图1是本发明一种自带喷头间隙检测功能的3D打印喷头组件的示意图。
图2是本发明一种自带喷头间隙检测功能的3D打印喷头组件的罩壳示意图。
图3是本发明一种自带喷头间隙检测功能的3D打印喷头组件的套管示意图。
图4是本发明一种自带喷头间隙检测功能的3D打印喷头组件的铝块示意图。
图中：1-罩壳，2-铝块，3-开关板，4-螺丝，5-检测开关，6-弹簧，7-套管，8-喉管，9-喷头，10-通孔，11-凸台，12-喉管固定孔，13-喉管固定螺丝，14-进丝 孔，15-环形接触面。
具体实施方式
为了能清楚地理解本发明的技术内容，特举以下实例说明。
参阅图1、图2、图3和图4所示，一种自带喷头间隙检测功能的3D打印喷头组件，包括罩壳1、喷头9、喉管8、铝块2、检测开关5、开关板3、弹簧6和套管7，喉管8外部设有外螺纹，检测开关5设于开关板3上，开关板3通过螺丝4固定于铝块2上；套管7内部设有内螺纹并套于喉管8上；弹簧6套设于喉管8上并设于套管7上方；套管7一侧设有凸台11 ，凸台11 上端接触开关板3，下端接触罩壳1底部；铝块2侧面设有喉管固定孔12，喉管固定螺丝13通过喉管固定孔12固定喉管8；铝块2上设有一进丝孔14，进丝孔14下端面设有环形接触面15，用于接触弹簧6；罩壳1底部设有一个通孔10，套管7与通孔10匹配，当套管7进入通孔10内时，旋转喷头9至无法旋转从而固定喷头9，反向旋转喷头9至套管7对应通孔10从而取下喷头9。
该组件结构在安装时，将套管7旋转安装于喉管8上，将弹簧6套于喉管8上，位于套管7上方，将套管7与罩壳1上的通孔10匹配安装，弹簧6上端接触到进丝 孔14下方的环形接触面15，旋转喷头9至无法旋转，喷头9位置固定，将喉管固定螺丝13通过喉管固定孔12固定喉管8；拆卸时，将喉管固定螺丝13拧下，将喷头9反向旋转，直至套管7与通孔10匹配，下拉取下喷头9，实现快速拆卸。
该组件结构在使用前，首先进入喷头间隙检测、平台调平过程，上位机控制打印平台上升，直至喷头9接触打印平台上的一点，若喷头9与打印平台间隙过小，喷头9上升，弹簧6接触环形接触面15被挤压上升，此时检测开关5接触套管7，检测开关5指示灯亮起，反馈上位机平台上升至喷头9的距离并确定该点高度；同样在平台上在选择2至3点进行同样操作，从而测量获知打印平台的倾斜程度，方便后续平台调平；在该过程中，若某一点的间隙过小，打印平台持续上升，使得喷头9也持续上升，直至套管7上的凸台11接触开关板3的下端，停止上升。该设计可以有效地防止检测开关5因上升被损坏，也无需在打印平台上开设检测孔影响打印面积，具有较好的美观性。

Claims (1)

1.一种自带喷头间隙检测功能的3D打印喷头组件，包括罩壳、喷头、喉管、铝块、检测开关和开关板，喉管外部设有外螺纹，检测开关设于开关板上，开关板通过螺丝固定于铝块上，其特征在于：还包括弹簧和套管：
1）所述套管内部设有内螺纹并套于所述喉管上；
2）所述弹簧套设于所述喉管上并设于所述套管上方；
3）所述套管一侧设有凸台，所述凸台下端接触所述罩壳底部；
4）所述铝块侧面设有喉管固定孔，喉管固定螺丝通过所述喉管固定孔固定所述喉管；
5）所述铝块上设有一进丝孔，所述进丝孔下端面设有环形接触面，用于接触所述弹簧；
6）所述罩壳底部设有一个通孔，所述套管与所述通孔匹配，当所述套管进入所述通孔内时，旋转所述喷头至无法旋转从而固定所述喷头，反向旋转所述喷头至所述套管对应所述通孔从而取下所述喷头。
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CN108099174A (zh) * 2017-12-19 2018-06-01 深圳森工科技有限公司 3d打印头组件、打印平台归零、调平的方法及3d打印机

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Publication number Priority date Publication date Assignee Title
WO2017117536A1 (en) * 2016-01-02 2017-07-06 Sd3D Inc. Heated and adaptive build platform for 3d printers
CN205416375U (zh) * 2016-01-29 2016-08-03 芜湖市爱三迪电子科技有限公司 一种自动调平的3d打印机
CN108099174A (zh) * 2017-12-19 2018-06-01 深圳森工科技有限公司 3d打印头组件、打印平台归零、调平的方法及3d打印机

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