Automobile hub deburring workstation robot calibration tool and calibration method thereof

A technology of automobile wheel hub and calibration method, which is applied in the direction of manufacturing tools, machine tools suitable for grinding workpiece edges, metal processing equipment, etc., which can solve the problem of inability to calibrate the tool coordinate system, the inability to verify the accuracy of the coordinate system, the accuracy of robot motion trajectory, and the inability to calibrate Problems such as workpiece coordinate system

Active Publication Date: 2022-03-25
哈尔滨工业大学芜湖机器人产业技术研究院
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Problems solved by technology

[0005] However, the existing technology cannot calibrate the tool coordinate system, nor can it calibrate the workpiece coordinate system; the accuracy of the coordinate system after calibration and the accuracy of the robot motion trajectory cannot be verified

Method used

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  • Automobile hub deburring workstation robot calibration tool and calibration method thereof
  • Automobile hub deburring workstation robot calibration tool and calibration method thereof
  • Automobile hub deburring workstation robot calibration tool and calibration method thereof

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Embodiment Construction

[0039] The specific implementation of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

[0040] Such as figure 1 , figure 2 with image 3 The structure of the present invention shown is a robot calibration tool for a deburring workstation of an automobile hub. The calibration tool includes a hub calibration disc 8; the hub calibration disc 8 is a cylindrical structure, and the upper surface is the working surface of the calibration tool.

[0041] In order to solve the problems existing in the prior art and overcome its defects, to achieve the purpose of calibrating the relative position of the tool coordinate system and the wheel hub of the robot, and verifying the trajectory accuracy of the robot after calibration, ...

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Abstract

The invention discloses a robot calibration tool for an automobile hub deburring workstation. The robot calibration tool comprises a hub calibration disc. A positioning pin hole, a scale line, a fan-shaped window, a stepped hole and a camera angle calibration hole are formed in the hub calibration disc; a central positioning pin is mounted in the positioning pin hole; the calibration tool is provided with a calibration piece, and the calibration piece is installed on the industrial robot. The invention further discloses a calibration method of the calibration tool. By adopting the technical scheme, the tool coordinate system and the workpiece coordinate system of the robot can be calibrated, the precision of the tool coordinate system and the precision of the workpiece coordinate system can be verified after the coordinate systems are calibrated, and the motion trail precision of the robot is verified through a hub calibration tool scale line, a positioning pin hole, a fan-shaped window and the like; visual extraction fan-shaped window sideline precision and hole position positioning precision are verified, and the method can be used for assisting in adjusting the installation angle of the camera.

Description

technical field [0001] The invention belongs to the technical field of automatic surface finishing in the production of automobile wheel hubs. More specifically, the present invention relates to a robot calibration tool for a deburring workstation of an automobile wheel. The invention also relates to a calibration method of the calibration tool. Background technique [0002] During the production process of aluminum alloy wheels, surface defects such as flashes and burrs will occur in corresponding parts. Due to the production process of wheel hub casting, certain machining errors will occur, which directly affect the grinding accuracy of wheel hub deburring. When using a robot to deburr the hub, the tool coordinate system and the workpiece coordinate system of the robot should be calibrated according to the requirements, and the coordinate system and motion trajectory accuracy of the robot after calibration should be verified. [0003] The relevant prior art documents re...

Claims

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Application Information

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IPC IPC(8): B24B49/00B24B49/12B24B41/00B24B9/04
CPCB24B49/00B24B49/12B24B41/00B24B9/04
Inventor 王飞阳庄金雷麻威强田新杰
Owner 哈尔滨工业大学芜湖机器人产业技术研究院
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