CN202986109U - 一种用于3d打印机喷头的丝料挤出机构 - Google Patents

一种用于3d打印机喷头的丝料挤出机构 Download PDF

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CN202986109U
CN202986109U CN201220715740XU CN201220715740U CN202986109U CN 202986109 U CN202986109 U CN 202986109U CN 201220715740X U CN201220715740X U CN 201220715740XU CN 201220715740 U CN201220715740 U CN 201220715740U CN 202986109 U CN202986109 U CN 202986109U
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裴文剑
陈铮铮
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Zhejiang Flashforge 3d Technology Co ltd
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JINHUA SHANZHU TECHNOLOGY Co Ltd
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    • 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
    • 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
    • B29C64/209—Heads; Nozzles
    • 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
    • B33Y10/00—Processes of additive manufacturing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)

Abstract

本实用新型公开了一种用于3D打印机喷头的丝料挤出机构，包括前端盖和后端盖，前端盖和后端盖之间设有连接电机输出轴的送丝轮，送丝轮的两侧连接有V型轴承，V型轴承和送丝轮之间嵌有打印用丝料，送丝轮的外表面设有轮齿，轮齿的齿顶角呈锐角，齿顶角的角度为10-20度，V型轴承上的V型槽与丝料相匹配，将丝料贴紧在送丝轮的轮齿上。本实用新型的送丝轮的齿顶角能够紧紧抓住丝料，同时配合V性轴承对丝料施加的夹紧力，送丝轮转动时能够可靠把丝料挤入喷头，有效避免送丝轮和丝料之间产生的打滑现象，同时大大降低对丝料的精度要求，也能适用于尺寸不同、材质硬度不同的丝料，适用范围大。

Description

一种用于3D打印机喷头的丝料挤出机构
技术领域
本实用新型涉及一种用于3D打印机喷头的丝料挤出机构。
背景技术
3D打印技术实际上是一系列快速原型成型技术的统称，其基本原理都是叠层制造，由快速原型机在X-Y平面内通过扫描形式形成工件的截面形状，而在Z坐标间断地作层面厚度的位移，最终形成三维制件。目前市场上的快速成型技术分为3DP技术、FDM熔融层积成型技术、SLA立体平版印刷技术、SLS选区激光烧结等。
FDM熔融层积成型技术是将丝状的热熔性材料加热融化，同时三维喷头在计算机的控制下，根据截面轮廓信息，将材料选择性地涂敷在工作台上，快速冷却后形成一层截面。一层成型完成后，机器工作台下降一个高度（即分层厚度）再成型下一层，直至形成整个实体造型。其成型材料种类多，成型件强度高、精度较高，主要适用于成型小塑料件。
目前基于FDM原理的3D打印机在使用中经常会碰到以下问题：①打印过程中因送丝轮打滑造成喷头不出丝或出丝断断续续；②丝料线径尺寸超差，造成喷头卡死。这些问题都直接影响打印机的可靠性，同时对打印用的丝料尺寸精度要求很高。
实用新型内容
本实用新型的目的在于提供一种用于3D打印机喷头的丝料挤出机构。
一种用于3D打印机喷头的丝料挤出机构，包括前端盖和后端盖，前端盖和后端盖之间设有连接电机输出轴的送丝轮，其特征在于：送丝轮的两侧连接有V型轴承，V型轴承和送丝轮之间嵌有打印用的丝料。
进一步，送丝轮的外表面设有轮齿。
进一步，轮齿的齿顶角呈锐角。
进一步，齿顶角的角度为10-20度。
进一步，V型轴承上的V型槽与丝料相匹配，将丝料贴紧在送丝轮的轮齿上。
本实用新型由于采用了上述技术方案，具有以下有益效果：
送丝轮的齿顶角能够紧紧抓住丝料，同时配合V性轴承对丝料施加的夹紧力，送丝轮转动时能够可靠把丝料挤入喷头，有效避免送丝轮和丝料之间产生的打滑现象，同时大大降低对丝料的精度要求，也能适用于尺寸不同、材质硬度不同的丝料，适用范围大。本实用新型制造简便、成本低，实用性强。
附图说明
下面结合附图对本实用新型作进一步说明：
图1为本实用新型一种用于3D打印机喷头的丝料挤出机构的示意图；
图2为本实用新型的前端盖方向的结构示意图；
图3为本实用新型的***图；
图4为图3中Ⅰ处结构放大示意图。
具体实施方式
如图1至图4所示，为本实用新型一种用于3D打印机喷头的丝料挤出机构，包括前端盖1和后端盖2，前端盖1和后端盖2之间通过螺栓9固定连接，前端盖1和后端盖2之间设有连接电机7的输出轴8的送丝轮3，通过输出轴8带动送丝轮3转动，送丝轮3的外表面设有轮齿4，轮齿4的齿顶角呈锐角，齿顶角的角度为10-20度。送丝轮3的两侧连接有V型轴承5，V型轴承5和送丝轮3之间嵌有打印用丝料6，V型轴承5上的V型槽与丝料6相匹配，将丝料6贴紧在送丝轮3的轮齿4上。送丝轮3的齿顶角能够紧紧抓住丝料6，同时配合V性轴承对丝料6施加的夹紧力，送丝轮3转动时能够可靠把丝料6挤入喷头，有效避免送丝轮3和丝料6之间产生的打滑现象，同时大大降低对丝料6的精度要求，也能适用于尺寸不同、材质硬度不同的丝料6，适用范围大。
以上仅为本实用新型的具体实施例，但本实用新型的技术特征并不局限于此。任何以本实用新型为基础，为实现基本相同的技术效果，所作出地简单变化、等同替换或者修饰等，皆涵盖于本实用新型的保护范围之中。

Claims (5)

1.一种用于3D打印机喷头的丝料挤出机构，包括前端盖和后端盖，所述前端盖和所述后端盖之间设有连接电机输出轴的送丝轮，其特征在于：所述送丝轮的两侧连接有V型轴承，所述V型轴承和所述送丝轮之间嵌有打印用丝料。
2.根据权利要求1所述的一种用于3D打印机喷头的丝料挤出机构，其特征在于：所述送丝轮的外表面设有轮齿。
3.根据权利要求2所述的一种用于3D打印机喷头的丝料挤出机构，其特征在于：所述轮齿的齿顶角呈锐角。
4.根据权利要求3所述的一种用于3D打印机喷头的丝料挤出机构，其特征在于：所述齿顶角的角度为10-20度。
5.根据权利要求1所述的一种用于3D打印机喷头的丝料挤出机构，其特征在于：所述V型轴承上的V型槽与所述丝料相匹配，将所述丝料贴紧在所述送丝轮的所述轮齿上。
CN201220715740XU 2012-12-21 2012-12-21 一种用于3d打印机喷头的丝料挤出机构 Expired - Lifetime CN202986109U (zh)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103341975A (zh) * 2013-06-28 2013-10-09 济南集罗电子有限公司 3d打印笔
CN103754477A (zh) * 2014-01-15 2014-04-30 李金秀 一种3d打印机送料盒
CN104476773A (zh) * 2014-11-27 2015-04-01 浙江工贸职业技术学院 一种出丝稳定的3d打印机喷头
CN105339551A (zh) * 2013-06-23 2016-02-17 阿迪博茨有限公司 用于移动增材制造的方法和设备
CN105619794A (zh) * 2014-10-29 2016-06-01 长春工业大学 3d打印机的滑片泵式挤出机构
WO2016173059A1 (zh) * 2015-04-30 2016-11-03 金葆青 三维打印机中多轴承支撑结构
WO2022232022A1 (en) * 2021-04-27 2022-11-03 Essentium Ipco, Llc Rotatable receiver for a three-dimensional printer head

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105339551A (zh) * 2013-06-23 2016-02-17 阿迪博茨有限公司 用于移动增材制造的方法和设备
CN103341975A (zh) * 2013-06-28 2013-10-09 济南集罗电子有限公司 3d打印笔
CN103341975B (zh) * 2013-06-28 2015-03-18 济南集罗电子有限公司 3d打印笔
CN103754477A (zh) * 2014-01-15 2014-04-30 李金秀 一种3d打印机送料盒
CN103754477B (zh) * 2014-01-15 2015-10-21 李金秀 一种3d打印机送料盒
CN105619794A (zh) * 2014-10-29 2016-06-01 长春工业大学 3d打印机的滑片泵式挤出机构
CN104476773A (zh) * 2014-11-27 2015-04-01 浙江工贸职业技术学院 一种出丝稳定的3d打印机喷头
CN104476773B (zh) * 2014-11-27 2017-01-11 浙江工贸职业技术学院 一种出丝稳定的3d打印机喷头
WO2016173059A1 (zh) * 2015-04-30 2016-11-03 金葆青 三维打印机中多轴承支撑结构
WO2022232022A1 (en) * 2021-04-27 2022-11-03 Essentium Ipco, Llc Rotatable receiver for a three-dimensional printer head

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Granted publication date: 20130612