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A Control Method for Spot Welding Grinding in Robot Welding Production Line

A technology of robot welding and control methods, applied in the direction of program control manipulators, manipulators, manufacturing tools, etc., can solve problems such as missing beats, achieve the effects of improving beats, ensuring equipment utilization, and realizing unified management

Active Publication Date: 2019-06-11
SHANGHAI TRACTOR & INTERNAL COMBUSTION ENGINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the production process, when the robots in different production cycles are grinding one after another, the robots in the entire production line will wait repeatedly and lose the beat.

Method used

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  • A Control Method for Spot Welding Grinding in Robot Welding Production Line
  • A Control Method for Spot Welding Grinding in Robot Welding Production Line

Examples

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Effect test

Embodiment

[0014] Such as figure 2 As shown, this embodiment is composed of five spot welding robots, six stations and a programmable logic controller. The spot welding robot 1 performs welding on station 1, and transports the workpiece to be welded from station 1 to station 1. 2. Spot welding robot 2 performs welding on station 2, and transports the welded parts from station 2 to station 3; spot welding robot 3 performs welding on station 3, and transfers the welded parts from station 3 Transfer to station 4; spot welding robot 4 performs welding on station 4, and transports the welded parts from station 4 to station 5; spot welding robot 5 performs welding on station 5, and transfers the welded parts Moving from station 5 to station 6; all equipment is controlled by a programmable logic controller.

[0015] Such as figure 1 As shown, when working, each spot welding robot welds separately until one spot welding robot reaches the predetermined number of grinding pieces. Assuming that...

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Abstract

The invention relates to the field of robot welding, in particular to a controlling method of spot welding and repair grinding of a robot welding production line. The robot welding production line comprises a programmable logic controller, a spot welding robot set and a station set. The controlling method is characterized by comprising the following steps that (1), the predetermined piece number of spot welding robots needing to be subjected to repair grinding and gun cleaning is set; (2), the spot welding robot set starts welding, till one spot welding robot of the spot welding robot set needs to be subjected to repair grinding; (3), the robot needing to be subjected to repair grinding starts to be subjected to the repair grinding program; (4), repair grinding instructions are sent to the spot welding robots which do not execute any program currently; (5), after the spot welding robots receive the instructions, according to the current welding piece number and compared with the predetermined piece number, whether repair grinding is needed or not is judged, if needed, repair grinding is conducted, and otherwise, repair grinding is not conducted; and (6), the repair grinding process is finished. Compared with the prior art, the problem of repeated waiting caused by disordered repair grinding and gun cleaning of the production line can be effectively prevented. The utilization rate of equipment can be effectively guaranteed, and the beat is improved.

Description

technical field [0001] The invention relates to the field of robot welding, in particular to a control method for spot welding and grinding of a robot welding production line. Background technique [0002] With the improvement of automation in automobile production, in order to reduce the burden on operators, robot workstations have gradually changed from stand-alone workstations to connected production lines with handling functions. Each robot in this type of production line basically operates independently, and is only connected at the stations where the front and rear sequences are handed over. [0003] Although the robots in this type of production line can work independently, due to the characteristics of the sequential connection, once a robot in the line stops, the adjacent robots will not be able to produce subsequently, and eventually the entire line will stop. Similarly, once there is an extra work sequence for a robot in the line (although the robots in this type...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K11/30B25J9/16
CPCB23K11/3063B25J9/1682
Inventor 陆晓凡褚卫东姜典保周骏
Owner SHANGHAI TRACTOR & INTERNAL COMBUSTION ENGINE
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