Tool Holder Operating Key With Locking Pin Against Misoperation
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Solution Overview
Problem
Existing tool holders face issues with secure and reliable clamping and releasing of tools due to potential misoperation, leading to damage and reduced tool holder lifespan.
Innovation Solution
A drive and locking unit with a pin featuring first and second locking means, providing tactile feedback and ensuring secure engagement with the tool holder, preventing incorrect operation and damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional operating key without locking means is used, then the device complexity is low and ease of operation is high, but the reliability is poor due to potential misoperation and damage
Solution Approach 1:
The operating key is divided into functionally distinct sections: a torque-providing apparatus (wrench head) and a drive and locking unit with separate locking means. This segmentation allows each component to perform its specific function independently, improving reliability without significantly increasing overall complexity.
Solution Approach 2:
The locking means are designed to automatically engage when the operating key is inserted into the operating device. This preliminary locking action prevents misoperation before it can occur, ensuring reliable torque transmission without requiring complex manual locking procedures.
2Reliability
If a operating key with locking means is used, then the reliability is improved by preventing misoperation, but the device complexity increases
Solution Approach 1:
The locking means are designed to engage automatically when the operating key is inserted into the operating device. The system serves itself by automatically securing the connection without requiring additional manual steps, maintaining ease of operation while improving reliability.
3Object-affected harmful factors
If a simple operating key is used, then the ease of operation is high and device complexity is low, but the object-affected harmful factors increase due to potential damage from misoperation
Solution Approach 1:
The locking means prevent harmful effects by establishing a secure mechanical connection before torque is applied. The locking protrusions engage with corresponding recesses in advance, preventing misoperation and potential damage to the tool holder or tool during the clamping or releasing process.
4Reliability
If a operating key with torque-providing apparatus and locking unit is used, then the reliability and safety are improved, but the manufacturing precision requirements increase
Solution Approach 1:
High precision manufacturing is concentrated only in the critical locking interfaces (protrusions and recesses), while other parts of the operating key maintain standard tolerances. This localized precision approach ensures reliable locking function without requiring high precision throughout the entire component.
Data Source
AI summary
The invention relates to a drive device for clamping and releasing a tool in the tool holding fixture of a tool holder. The drive device according to the invention prevents incorrect operation; said drive device can be operated manually or by a handling robot and can be actively locked to the tool holder.