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A Transmission Mechanism for Z and R Axis of Horizontal Joint Robot

A technology of horizontal joint and transmission mechanism, applied in the field of robot transmission, can solve the problems of high price and achieve the effect of simple structure and cost reduction

Active Publication Date: 2018-11-02
HUILING TECH ROBOTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ball screw splines are highly accurate but very expensive

Method used

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  • A Transmission Mechanism for Z and R Axis of Horizontal Joint Robot
  • A Transmission Mechanism for Z and R Axis of Horizontal Joint Robot
  • A Transmission Mechanism for Z and R Axis of Horizontal Joint Robot

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] see Figure 1 to Figure 3 According to the present invention, a transmission mechanism 1 for the Z and R axes of a horizontal joint robot includes an arm body 158, a transmission fixing frame 153 arranged on the arm body 158, a first motor 151 and a second motor fixedly arranged on the transmission fixing frame 153 152. The spline shaft 154 driven by the first motor 151 and the ball screw 156 driven by the second motor 152; the spline shaft 154 is coaxially arranged with the ball screw 156 and axially opened inside the ball screw 156 There is a deep counterbore for inserting the spline shaf...

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Abstract

The invention provides a horizontal articulated robot Z and R shaft transmission mechanism. The mechanism comprises the arm body, the transmission bracket, the first motor, the second motor, the spline shaft driven by the first motor and the ball screw driven by the second motor. The spline shaft and the ball screw are coaxially arranged, and the inner axial of the ball screw is arranged with a deep hole for inserting the spline shaft. It also comprises a spline nut assembly which is arranged on the spline shaft and matched with one end of the ball screw. In the actual operation process, through the adjustments of the operation modes of the first motor and the second motor, three different modes of operations can be realized respectively, either the spline shaft rotates together with up & down movements and rotation of the ball screw, or no rotation of the spline shaft while the ball screw is moving up and down without revolving on its own axis, or the spline shaft rotates while the ball screw is rotating without up and down movements. The structure is simple and the cost is reduced significantly.

Description

[technical field] [0001] The invention relates to the technical field of robot transmission, in particular to a Z- and R-axis transmission mechanism of a horizontally articulated robot capable of flexible manipulation and operation in various modes. [Background technique] [0002] The horizontal joint four-axis robot has been widely used at present, and plays a very important role in handling, processing, assembly and other environments. It has the characteristics of flexible movement, compact structure, small space requirement, and high repeat positioning accuracy. It can accurately and quickly reach a point in space. Compared with six-axis industrial robots, horizontal joint four-axis robots have the advantages of small size, flexibility, and low cost. It will be an inevitable trend to be widely used in future industrial assembly lines. It is also very necessary to increase the research on horizontally jointed four-axis robots. At present, the main brands of horizontally ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J9/00B25J17/00F16H25/22H02K7/116
CPCB25J9/00B25J17/00F16H25/2204H02K7/116
Inventor 杨乾坤刘耀俊田军黄绍平
Owner HUILING TECH ROBOTIC CO LTD