WO2019237875A1 - 一种机械臂绘图机构 - Google Patents

一种机械臂绘图机构 Download PDF

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Publication number
WO2019237875A1
WO2019237875A1 PCT/CN2019/086970 CN2019086970W WO2019237875A1 WO 2019237875 A1 WO2019237875 A1 WO 2019237875A1 CN 2019086970 W CN2019086970 W CN 2019086970W WO 2019237875 A1 WO2019237875 A1 WO 2019237875A1
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WO
WIPO (PCT)
Prior art keywords
arm
lifting
motor
platform
drawing mechanism
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Application number
PCT/CN2019/086970
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English (en)
French (fr)
Inventor
崔国锋
成润泽
徐庆原
Original Assignee
深圳市小怪兽教育科技有限公司
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Application filed by 深圳市小怪兽教育科技有限公司 filed Critical 深圳市小怪兽教育科技有限公司
Publication of WO2019237875A1 publication Critical patent/WO2019237875A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for

Definitions

  • the invention relates to a drawing robot arm, in particular to a drawing mechanism of a robot arm.
  • the technical task of the present invention is to provide a mechanical arm drawing mechanism in view of the shortcomings of the prior art.
  • a mechanical arm drawing mechanism including a support platform and a lifting platform, wherein the lifting platform and the supporting platform are connected by a lifting mechanism, and the lifting platforms are respectively provided on the lifting platforms.
  • There is an upper motor and a lower motor a main arm is connected to the lower motor, an auxiliary arm is connected to the upper motor, a link is hinged to the other end of the auxiliary arm, and the other end of the link is A working arm is hinged, a pen clip is provided at the other end of the working arm, and the other end of the main arm is hinged with the working arm.
  • a parallelogram is formed between the main arm, the auxiliary arm, the connecting rod and the working arm.
  • the lifting mechanism includes a lifting motor and a lifting shaft, the lifting shaft is arranged on a support platform, the top of the lifting shaft passes through the lifting platform and is connected to a limit plate, and the lifting motor is provided on a supporting platform On the side, a cam is provided between the lifting platform and the supporting platform, and the cam is connected to the lifting motor.
  • a spring is sleeved on the lifting shaft, and the spring is located between the lifting platform and the limit plate.
  • the utility model through the cooperation of the upper motor and the lower motor, allows the pen holder at the front end of the working arm to fall at any position on the drawing board.
  • the entire device has low cost, simple structure, small volume, and wide application range.
  • FIG. 1 is a schematic structural diagram of the present invention.
  • Support platform 1 cam 2, lifting motor 3, lifting shaft 4, spring 41, limit plate 5, lifting platform 6, upper motor 7, auxiliary arm 8, connecting rod 9, working arm 10, pen holder 11, main arm 12 ⁇ ⁇ ⁇ 13 ⁇ Lower motor 13.
  • a mechanical arm drawing mechanism includes a support platform 1 and a lifting platform 6, wherein the lifting platform 6 and the supporting platform 1 are connected by a lifting mechanism, and an upper motor is provided on each of the lifting platforms 6. 7 and a lower motor 13, a main arm 12 is connected to the lower motor 13, an auxiliary arm 8 is connected to the upper motor 7, and a connecting rod 9 is hinged to the other end of the auxiliary arm 8, A working arm 10 is hinged on the other end of the connecting rod 9, a pen clip 11 is provided on the other end of the working arm 10, and the other end of the main arm 12 is hinged on the working arm 10.
  • a parallelogram is formed between the main arm 12, the auxiliary arm 8, the connecting rod 9, and the working arm 10; the length of the main arm 12 and the auxiliary arm 8 are the same; the rotation centers of the upper motor 7 and the lower motor 13 are at On the same straight line; the lifting mechanism includes a lifting motor 3 and a lifting shaft 4, the lifting shaft 4 is arranged on the support platform 1, and the top of the lifting shaft 4 passes through the lifting platform 6 and is connected to the limit plate 5.
  • the lifting motor 3 is disposed on one side of the support platform 1, and a cam 2 is provided between the lifting platform 6 and the support platform 1, and the cam 2 is connected to the lifting motor 3;
  • the spring 41 is located between the lifting platform 6 and the limiting plate 5.
  • the working principle is: during the work, the auxiliary motor 8 and the main arm 12 are respectively swung through the cooperation of the rotation of the upper motor 7 and the lower motor 13, thereby driving the working arm 10 to complete the drawing work.
  • the rotation of the upgrade motor 3 drives the cam 2 to rotate.
  • the cam 2 When the cam 2 is in a vertical state, the cam 2 lifts the lifting platform 6 and the pen leaves the drawing board. At this time, the position of the pen can be adjusted.
  • the lifting motor 3 by controlling the lifting motor 3 to rotate, so that the cam 2 is in a horizontal state, at this time, the lifting platform 6 falls, the paint brush contacts the drawing board, and the drawing is continued to be completed.

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  • Manipulator (AREA)

Abstract

一种机械臂绘图机构，包括支撑平台（1）和升降平台（6），其中升降平台（6）与支撑平台（1）之间通过升降机构连接，在升降平台（6）上分别设有上电机（7）和下电机（13），在下电机（13）上连接有主臂（12），在上电机（7）上连接有辅臂（8），在辅臂（8）的另一端铰接有连杆（9），在连杆（9）的另一端铰接有工作臂（10），在工作臂（10）的另一端设有笔夹（11），主臂（12）的另一端与工作臂（10）铰接，通过上电机（7）与下电机（13）的配合，使得工作臂（10）前端的笔夹（11）可以落在画板的任意一个位置，整个装置的成本低、结构简单、体积小，适用范围大。

Description

一种机械臂绘图机构 技术领域
本发明涉及一种绘图机械臂，尤其是一种机械臂绘图机构。
背景技术
由于传统的机械臂大多采用纵横移动的方案，造成机械臂成本居高不下、结构复杂、体积庞大，限制了其只能应用在工业领域而无法应用在消费场景。
发明内容
本发明的技术任务是针对以上现有技术的不足，而提供一种机械臂绘图机构。
本发明解决其技术问题所采用的技术方案是：一种机械臂绘图机构，包括支撑平台和升降平台，其中所述升降平台与支撑平台之间通过升降机构连接，在所述升降平台上分别设有上电机和下电机，在所述下电机上连接有主臂，在所述上电机上连接有辅臂，在所述辅臂的另一端铰接有连杆，在所述连杆的另一端铰接有工作臂，在所述工作臂的另一端设有笔夹，所述主臂的另一端与所述工作臂铰接。
进一步改进：所述主臂、辅臂、连杆和工作臂之间构成一个平行四边形。
进一步改进：所述主臂与辅臂的长度相同。
进一步改进：所述上电机与下电机的旋转中心处于同一直线上。
进一步改进：所述升降机构包括升降电机和升降轴，所述升降轴设置在支撑平台上，所述升降轴的顶部穿过升降平台后连接有限位板，所述升 降电机设置在支撑平台的一侧，在所述升降平台与支撑平台之间设有凸轮，所述凸轮与所述升降电机连接。
进一步改进：在所述升降轴上套有弹簧，所述弹簧位于升降平台与限位板之间。
本发明的优点：本实用新型，通过上电机与下电机的配合，使得工作臂前端的笔夹可以落在画板的任意一个位置，整个装置的成本低、结构简单、体积小，适用范围大。
附图说明
图1是本发明的结构示意图。
支撑平台1、凸轮2、升降电机3、升降轴4、弹簧41、限位板5、升降平台6、上电机7、辅臂8、连杆9、工作臂10、笔夹11、主臂12、下电机13。
具体实施方式
下面结合说明书附图对本发明做以下详细说明。
如图所示，一种机械臂绘图机构，包括支撑平台1和升降平台6，其中所述升降平台6与支撑平台1之间通过升降机构连接，在所述升降平台6上分别设有上电机7和下电机13，在所述下电机13上连接有主臂12，在所述上电机7上连接有辅臂8，在所述辅臂8的另一端铰接有连杆9，在所述连杆9的另一端铰接有工作臂10，在所述工作臂10的另一端设有笔夹11，所述主臂12的另一端与所述工作臂10铰接。
所述主臂12、辅臂8、连杆9和工作臂10之间构成一个平行四边形；所述主臂12与辅臂8的长度相同；所述上电机7与下电机13的旋转中心 处于同一直线上；所述升降机构包括升降电机3和升降轴4，所述升降轴4设置在支撑平台1上，所述升降轴4的顶部穿过升降平台6后连接有限位板5，所述升降电机3设置在支撑平台1的一侧，在所述升降平台6与支撑平台1之间设有凸轮2，所述凸轮2与所述升降电机3连接；在所述升降轴4上套有弹簧41，所述弹簧41位于升降平台6与限位板5之间。
其工作原理是：工作时，通过上电机7与下电机13转动的配合，分别带动辅臂8和主臂12摆动，从而带动工作臂10完成绘图工作，在绘图时，如果需要画笔离开画板，此时则通过升级电机3的转动，带动凸轮2转动，当凸轮2呈竖直状态时，凸轮2将升降平台6顶起，画笔离开画板，此时可以调整画笔的位置，当需要继续绘图时，再通过控制升降电机3转动，使得凸轮2呈水平状态，此时升降平台6下落，画笔与画板接触，继续完成绘图。
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效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (6)

  1. 一种机械臂绘图机构，包括支撑平台和升降平台，其特征在于：所述升降平台与支撑平台之间通过升降机构连接，在所述升降平台上分别设有上电机和下电机，在所述下电机上连接有主臂，在所述上电机上连接有辅臂，在所述辅臂的另一端铰接有连杆，在所述连杆的另一端铰接有工作臂，在所述工作臂的另一端设有笔夹，所述主臂的另一端与所述工作臂铰接。
  2. 根据权利要求1所述的一种机械臂绘图机构，其特征在于：所述主臂、辅臂、连杆和工作臂之间构成一个平行四边形。
  3. 根据权利要求2所述的一种机械臂绘图机构，其特征在于：所述主臂与辅臂的长度相同。
  4. 根据权利要求1所述的一种机械臂绘图机构，其特征在于：所述上电机与下电机的旋转中心处于同一直线上。
  5. 根据权利要求1～4其中任意一项所述的一种机械臂绘图机构，其特征在于：所述升降机构包括升降电机和升降轴，所述升降轴设置在支撑平台上，所述升降轴的顶部穿过升降平台后连接有限位板，所述升降电机设置在支撑平台的一侧，在所述升降平台与支撑平台之间设有凸轮，所述凸轮与所述升降电机连接。
  6. 根据权利要求5所述的一种机械臂绘图机构，其特征在于：在所述升降轴上套有弹簧，所述弹簧位于升降平台与限位板之间。
PCT/CN2019/086970 2018-06-11 2019-05-15 一种机械臂绘图机构 WO2019237875A1 (zh)

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US20210347197A1 (en) * 2018-12-20 2021-11-11 Little Monster Education Technology Co., Ltd Drawing apparatus based on robotic arm

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CN108437663A (zh) * 2018-06-11 2018-08-24 深圳市盖范教育科技有限公司 一种机械臂绘图机构
CN109291701B (zh) * 2018-11-25 2023-12-26 广东双鹰玩具实业有限公司 高精度绘图装置
CN110435340A (zh) * 2019-08-02 2019-11-12 绘笔教育科技(深圳)有限责任公司 一种快速响应的智能写字绘画机械装置

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