WO2017143638A1 - 一种高精度3d打印机升降机构 - Google Patents

一种高精度3d打印机升降机构 Download PDF

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Publication number
WO2017143638A1
WO2017143638A1 PCT/CN2016/077701 CN2016077701W WO2017143638A1 WO 2017143638 A1 WO2017143638 A1 WO 2017143638A1 CN 2016077701 W CN2016077701 W CN 2016077701W WO 2017143638 A1 WO2017143638 A1 WO 2017143638A1
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WO
WIPO (PCT)
Prior art keywords
nut slider
mounting
precision
sides
mounting bracket
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Application number
PCT/CN2016/077701
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English (en)
French (fr)
Inventor
陈晟
郑碧红
王友鑫
郑志伟
Original Assignee
厦门螺壳电子科技有限公司
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Publication of WO2017143638A1 publication Critical patent/WO2017143638A1/zh

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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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts

Definitions

  • the invention relates to the technical field of 3D printing, and in particular to a high-precision 3D printer lifting mechanism.
  • 3D printers also known as 3D printers, are based on digital model files and use a special wax, powdered metal or plastic bonding material to create a three-dimensional object by printing a layer of bonding material.
  • the lifting device of the 3D printer is used to drive the movement of the print head, and most of them adopt the manner that the screw rod and the nut slider cooperate. During the movement of the print head, due to the screw or other external reasons, the nut slider is easily shaken, which affects the printing accuracy.
  • An object of the present invention is to provide a high-precision 3D printer elevating mechanism capable of ensuring stable travel of a print head and ensuring printing accuracy.
  • the present invention adopts the following technical solutions:
  • a high-precision 3D printer lifting mechanism comprises a mounting frame, a screw rod and a nut slider matched with the screw rod, wherein the screw rod and the nut slider are disposed on the mounting bracket, and both sides of the nut slider And engaging with the two sides of the mounting bracket, the nut slider is provided with a mounting protrusion, and the mounting protrusion has a T-shaped cross section.
  • the mounting bracket comprises a mounting plate and two rail bases, and the two rail bases are arranged in parallel and respectively located on two sides of the mounting board.
  • the inner side wall of the anchor rail base is provided with a groove, and the two sides of the nut slider are formed with a tenon which is slidingly engaged with the groove.
  • the rail base is provided with a linear guide rail
  • the linear guide rail is slidably provided with a slider.
  • the rail base is provided with a positioning slot that cooperates with the linear guide rail, A linear guide is fixed in the mounting groove.
  • the mounting plate is fixedly provided with two fixing seats, and two fixing seats are respectively sleeved on two ends of the screw rod, and two sides of the fixing seat are formed with a positioning corresponding to the groove. unit.
  • the present invention has the following advantages compared with the background art:
  • the nut slider and the mounting frame of the invention adopt a concave-convex fitting manner, which can limit the nut slider, prevent the nut slider from shaking relative to the mounting frame, ensure stable running of the printing head, and ensure printing precision.
  • Figure 1 is a perspective view of the present invention.
  • Figure 2 is a schematic plan view of the present invention.
  • Fig. 3 is a partial enlarged view of a portion A of Fig. 1.
  • the present invention discloses a high-precision 3D printer lifting mechanism, which comprises a mounting frame 1, a screw rod 2 and a nut slider 3 matched with the screw rod 2, wherein:
  • the mounting bracket 1 includes a mounting plate 11 and two rail bases 12, which are disposed in parallel and are respectively located on both sides of the mounting plate 11.
  • Two mounting bases 13 are fixedly disposed on the mounting plate 11 , and two fixing seats 13 are respectively sleeved on both ends of the screw rod 2 , and positioning portions 131 are formed on both sides of the fixing base 13 .
  • the inner side wall of the rail base 12 is provided with a recess 121, a positioning portion 131 and a recess 121, so that the rail base 12 and the mount 13 are conveniently positioned during installation.
  • a linear guide 4 is disposed on the rail base 12, and a slider 5 is slidably disposed on the linear guide 4.
  • the rail base 12 is provided with a positioning slot 122 that cooperates with the linear guide 4, and the linear guide 4 is fixed. It is positioned in the positioning groove 122, so that the positioning of the linear guide 4 is facilitated during the installation process.
  • the two sides of the nut slider 3 are formed with a tenon 31 which is slidably engaged with the groove 121.
  • the nut slider 3 is provided with a mounting protrusion 32, and the mounting protrusion 32 has a T-shaped cross section, so that the mounting protrusion 32 can be used with a print head mounting board having a T-shaped through hole (a T-shaped through hole) In this way, the print head mounting plate can be limited in the horizontal and vertical directions, and the positioning is more accurate.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)

Abstract

一种高精度3D打印机升降机构，包括安装架（1）、丝杆（2）以及与丝杆（2）相配合的螺母滑块（3），丝杆（2）和螺母滑块（3）设置在安装架（1）上，螺母滑块（3）的两侧与安装架（1）的两侧凹凸配合，螺母滑块（3）上设有安装凸块（32），安装凸块（32）的截面呈T形。螺母滑块与安装架采用凹凸配合的方式，能够对螺母滑块起到限位作用，防止螺母滑块相对于安装架发生晃动，确保打印头行进稳定，保证了打印精度。

Description

一种高精度3D打印机升降机构 技术领域
本发明涉及3D打印技术领域，特别涉及一种高精度3D打印机升降机构。
背景技术
3D打印机又称三维打印机，其以数字模型文件为基础，运用特殊蜡材、粉末状金属或塑料等可粘合材料，通过打印一层层的粘合材料来制造三维的物体。
3D打印机的升降装置用于驱动打印头运动，其大多采用丝杆与螺母滑块配合的方式。打印头运动过程中，由于丝杆或其他外部原因，容易造成螺母滑块晃动，进而影响打印精度。
发明内容
本发明的目的在于提供一种高精度3D打印机升降机构，其能够确保打印头行进稳定，保证了打印精度。
为实现上述目的，本发明采用以下技术方案：
一种高精度3D打印机升降机构，包括安装架、丝杆以及与丝杆相配合的螺母滑块，所述丝杆和螺母滑块设置在所述安装架上，所述螺母滑块的两侧与所述安装架的两侧凹凸配合，所述螺母滑块上设有安装凸块，所述安装凸块的截面呈T形。
优选地，所述安装架包括安装板以及两个轨道基座，两个轨道基座平行设置且分别位于安装板的两侧。
优选地，所述安轨道基座的内侧壁上开设有凹槽，所述螺母滑块的两侧形成有与所述凹槽滑动配合的凸榫。
优选地，所述轨道基座上设有直线导轨，所述直线导轨上滑动设置有滑块。
优选地，所述轨道基座上开设有与所述直线导轨相配合的定位槽，所述 直线导轨固定在所述安装槽内。
优选地，所述安装板上固定设置有两个固定座，两个固定座分别套设于所述丝杆的两端，所述固定座的两侧形成有与所述凹槽相配合的定位部。
采用上述技术方案后，本发明与背景技术相比，具有如下优点：
本发明的螺母滑块与安装架采用凹凸配合的方式，能够对螺母滑块起到限位作用，防止螺母滑块相对于安装架发生晃动，确保打印头行进稳定，保证了打印精度。
附图说明
图1为本发明的立体示意图。
图2为本发明的平面示意图。
图3为图1的A处局部放大图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
实施例
请参阅图1和图2，本发明公开了一种高精度3D打印机升降机构，包括安装架1、丝杆2以及与丝杆2相配合的螺母滑块3，其中：
配合图1和图2所示，安装架1包括安装板11以及两个轨道基座12，两个轨道基座12平行设置且分别位于安装板11的两侧。
安装板11上固定设置有两个固定座13，两个固定座13分别套设于丝杆2的两端，固定座13的两侧形成有定位部131。
配合图1和图3所示，轨道基座12的内侧壁上开设有凹槽121，定位部131与凹槽121，这样在安装时便于对轨道基座12和固定座13进行定位。轨道基座12上设有直线导轨4，直线导轨4上滑动设置有滑块5。在本实施例中，轨道基座12上开设有与直线导轨4相配合的定位槽122，直线导轨4固 定在定位槽122内，这样在安装过程中，便于对直线导轨4进行定位。
螺母滑块3的两侧形成有与凹槽121滑动配合的凸榫31，这样通过凸榫31与凹槽121的配合，可以进一步防止螺母滑块3在运动过程中发生晃动，确保打印头行进稳定，进而保证打印精度。螺母滑块3上设有安装凸块32，安装凸块32的截面呈T形，这样安装凸块32可以与带T形通孔(截面为T形的通孔)的打印头安装板配合使用，这样能够在横向和纵向上分别对打印头安装板起到限位作用，定位更为准确。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (6)

  1. 一种高精度3D打印机升降机构，其特征在于：包括安装架、丝杆以及与丝杆相配合的螺母滑块，所述丝杆和螺母滑块设置在所述安装架上，所述螺母滑块的两侧与所述安装架的两侧凹凸配合，所述螺母滑块上设有安装凸块，所述安装凸块的截面呈T形。
  2. 如权利要求1所述的一种高精度3D打印机升降机构，其特征在于：所述安装架包括安装板以及两个轨道基座，两个轨道基座平行设置且分别位于安装板的两侧。
  3. 如权利要求2所述的一种高精度3D打印机升降机构，其特征在于：所述安轨道基座的内侧壁上开设有凹槽，所述螺母滑块的两侧形成有与所述凹槽滑动配合的凸榫。
  4. 如权利要求2所述的一种高精度3D打印机升降机构，其特征在于：所述轨道基座上设有直线导轨，所述直线导轨上滑动设置有滑块。
  5. 如权利要求4所述的一种高精度3D打印机升降机构，其特征在于：所述轨道基座上开设有与所述直线导轨相配合的定位槽，所述直线导轨固定在所述安装槽内。
  6. 如权利要求3所述的一种高精度3D打印机升降机构，其特征在于：所述安装板上固定设置有两个固定座，两个固定座分别套设于所述丝杆的两端，所述固定座的两侧形成有与所述凹槽相配合的定位部。
PCT/CN2016/077701 2016-02-26 2016-03-29 一种高精度3d打印机升降机构 WO2017143638A1 (zh)

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CN108058260A (zh) * 2018-02-09 2018-05-22 华北理工大学 陶瓷材料3d打印装备及其工作方法
CN108080585A (zh) * 2018-02-09 2018-05-29 周胜豪 一种落地式砂箱
CN108318004A (zh) * 2018-04-24 2018-07-24 东莞市骏德智能测量技术有限公司 一种高精度影像仪
CN109089410A (zh) * 2018-10-26 2018-12-25 伟创力电子技术(苏州)有限公司 一种用于贴片机的供料器滑块组件
CN113751726A (zh) * 2021-06-15 2021-12-07 山东鑫聚龙动力科技集团有限公司 一种发动机窄壁3d打印成型方法

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CN108327266A (zh) * 2018-03-30 2018-07-27 李少锋 3d打印机滑块机构
CN110315211A (zh) * 2019-06-14 2019-10-11 晋江市福普机械设备有限公司 便于改变打印方向的激光打标机及其打印方法

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CN108058260A (zh) * 2018-02-09 2018-05-22 华北理工大学 陶瓷材料3d打印装备及其工作方法
CN108080585A (zh) * 2018-02-09 2018-05-29 周胜豪 一种落地式砂箱
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CN109089410A (zh) * 2018-10-26 2018-12-25 伟创力电子技术(苏州)有限公司 一种用于贴片机的供料器滑块组件
CN109089410B (zh) * 2018-10-26 2023-12-08 伟创力电子技术(苏州)有限公司 一种用于贴片机的供料器滑块组件
CN113751726A (zh) * 2021-06-15 2021-12-07 山东鑫聚龙动力科技集团有限公司 一种发动机窄壁3d打印成型方法

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