Double-encoder redundant system of spray painting robot

A spraying robot and redundant system technology, applied in the field of double encoder redundant system of spraying robot, can solve the problems of production stoppage, robot and unit controller can not track the position of the vehicle body, economic loss, etc., and achieve seamless conversion Effect

Active Publication Date: 2016-12-21
SHANGHAI FANUC ROBOTICS
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AI Technical Summary

Problems solved by technology

If the encoder system is damaged, the robot and cell controller cannot track the body position, resulting in production downtime and economic loss

Method used

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  • Double-encoder redundant system of spray painting robot
  • Double-encoder redundant system of spray painting robot
  • Double-encoder redundant system of spray painting robot

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0037] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0038] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0039] A dual-encoder redundancy system for a spraying robot realizes seamless conversion through dual-encoder s...

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Abstract

The invention relates to a double-encoder redundant system of a spray painting robot. The system comprises a connecting component connected with a drive shaft of a transmission chain, and the connecting component is connected with an input shaft to enable the input shaft to be linked with the drive shaft. The system is characterized by comprising a first encoder, a second encoder and a controller, wherein a rotating shaft of the first encoder and a rotating shaft of the second encoder are linked with the transmission chain through the input shaft at the same transmission ratio, so that the first encoder and the second encoder are enabled to output a first encoding signal and a second encoding signal indicating the working state of the transmission chain respectively; the controller comprises a selection module and a processing module, the selection module is used for receiving and selecting one of the first encoding signal and the second encoding signal to be output, and the processing module is used for processing the encoding signal received by the selection module to obtain position information of a vehicle body.

Description

technical field [0001] The invention relates to the field of automobile spraying processing, in particular to a dual encoder redundant system of a spraying robot. Background technique [0002] At present, the painting workshops of most passenger car manufacturers in China have used spraying robots to spray the primer and topcoat on the surface of the car body. According to the form of the conveyor chain, it is divided into tracking spraying and fixed spraying. While moving forward on the conveyor chain, the productivity is increased, so most of the spraying production lines adopt tracking spraying. Tracking spraying needs to install an encoder on the drive shaft of the conveyor chain. The encoder is connected to the tracking board of the robot and the high-speed counting module of the unit controller. The encoder records the rotation angle of the drive shaft to realize the robot and the unit controller. Location tracking. If the encoder system is damaged, the robot and cel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B13/04
CPCB05B13/0452
Inventor 杜永聪谢哲天姚炜袁华雷丁永强蔡航
Owner SHANGHAI FANUC ROBOTICS
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