Welding Tip Replacement Mechanism for Stable Robotic Tip Change
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Solution Overview
Problem
The existing welding tip replacement systems for automated spot welders are inefficient, leading to prolonged replacement times and potential errors, which can disrupt manufacturing processes and reduce productivity due to the need for frequent replacement of welding tip accommodation cases and lack of real-time recognition of tip absence.
Innovation Solution
An apparatus with a welding tip removal member and supplier system that stabilizes the removal and insertion of welding tips using a combination of pneumatic actuators, moving members, and a support frame, allowing for continuous supply and reducing the need for frequent accommodation case replacement, with sensors to prevent errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conventional welding tip supplying apparatus is used, then welding tips are supplied to the welding gun, but the accommodation case needs to be periodically replaced before all tips are used, causing inconvenience and potential manufacturing line disruptions
Solution Approach 1:
The system performs preliminary detection of welding tip absence using sensors before the accommodation case is fully depleted. This allows the system to prepare for and execute accommodation case replacement proactively, preventing manufacturing line disruptions and reducing idle time during replacements
Solution Approach 2:
The system implements feedback through sensors that continuously monitor the welding tip supply status. When tips are detected to be absent or depleted, the system receives feedback signals that trigger automatic accommodation case replacement, ensuring timely replenishment without manual intervention or line stoppage
2Reliability
If welding tips are repeatedly used, then a deformation occurs requiring periodic replacement, but the replacement work time is not sufficiently short and stability is not ensured
Solution Approach 1:
The system implements self-service through automatic welding tip replacement mechanisms that detect tip depletion and autonomously execute replacement operations. The sensor-based detection and automated accommodation case replacement eliminate manual intervention, ensuring consistent replacement timing and operational stability without human error or variability
Solution Approach 2:
The system performs preliminary detection of welding tip conditions using sensors before complete depletion occurs. This allows the replacement process to be initiated at optimal moments, ensuring stable and timely replacement operations that prevent manufacturing disruptions while minimizing replacement time
3Reliability
If no welding tip is provided at the supplying apparatus, then the welding robot cannot recognize the absence, causing errors during replacement operations
Solution Approach 1:
The system implements feedback through sensors that continuously monitor the welding tip supply status. When tips are detected to be absent or depleted, the system receives feedback signals that trigger accommodation case replacement, preventing robotic welding errors and ensuring reliable operation
Solution Approach 2:
The system uses sensors as intermediary detection devices between the welding tip supply status and the control system. These sensors act as mediators that convert physical tip presence/absence into detectable signals, enabling reliable recognition without requiring complex robotic vision or detection systems
Data Source
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AI summary
Disclosed are an apparatus for supplying a welding tip of a welder and an apparatus for replacing the same, which can automatically supply or replace a welding tip of a welding robot that is used in a vehicle body production factory, etc. The apparatus for replacing a welding tip of a welder of the present invention comprises: a fixed bracket secured to a support; an actuator coupled to the fixed bracket; a first moving member that is moved by the actuator; a second moving member coupled to the first moving member and hingedly coupled to the fixed bracket; a third moving member hingedly coupled to the second moving member; a first welding tip removal member coupled to the third moving member to separate a welding tip coupled to a shank; a fourth moving member that is moved by the actuator and is disposed opposite to the first moving member; a fifth moving member coupled to the fourth moving member and hingedly coupled to the fixed bracket; a sixth moving member coupled to the fifth moving member; and a second welding tip removal member that is coupled to the sixth moving member and moves in relation to the first welding tip removal member.