Grinding Wheel Quick-Change Mounting for Safer Spindle Replacement
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Solution Overview
Problem
Conventional grinding wheel replacement in cutting apparatuses is inefficient and poses safety hazards due to the need for manual handling and loosening of nuts, which complicates the process and increases labor intensity.
Innovation Solution
The grinding wheel is mounted on a flange using a jig, allowing rapid replacement by engaging a tapered hole with a pull rod and spring mechanism, eliminating the need for manual handling and enhancing safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If nuts or connectors are used to fasten the grinding wheel to the spindle, then the grinding wheel can be securely mounted, but the replacement process becomes time-consuming and labor-intensive
Solution Approach 1:
The grinding wheel assembly is segmented into modular components: the grinding wheel, flange, and locking mechanism are designed as separate but interoperable parts. This allows the grinding wheel to be quickly detached and replaced by simply removing the locking mechanism from the spindle, eliminating the time-consuming process of loosening multiple nuts while maintaining secure mounting through the locking mechanism's engagement with the spindle's tapered hole
Solution Approach 2:
The locking mechanism is pre-configured with the flange and grinding wheel assembly before mounting. The spring-loaded design is pre-set to automatically engage with the spindle's tapered hole upon insertion, and the T-shaped buckle is pre-positioned to snap into the buckle slot. This preliminary arrangement eliminates the need for manual adjustment or multiple fastening steps during replacement, reducing replacement time while ensuring reliable secure mounting
2Reliability
If manual handling and spanner operations are required for wheel replacement, then secure fastening is achieved, but labor intensity and safety hazards increase
Solution Approach 1:
The locking mechanism is designed to be self-servicing: the spring automatically pushes the T-shaped buckle to engage with the buckle slot on the spindle's tapered hole upon insertion, and the same spring mechanism enables easy release when the locking lever is actuated. This self-actuating design eliminates the need for operators to manually handle spanners or perform complex fastening operations, significantly reducing labor intensity and safety hazards while maintaining secure fastening through the automatic engagement mechanism
Solution Approach 2:
The locking mechanism serves as an intermediary between the operator and the grinding wheel-spindle connection. Instead of requiring direct manual handling of nuts and spanners, the operator simply actsuate the locking lever, which triggers the spring-loaded T-shaped buckle to engage or disengage from the spindle. This intermediary mechanism simplifies the operation to a single lever action while ensuring reliable secure fastening through the mechanical engagement of the buckle with the spindle's tapered hole
Data Source
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AI summary
The present invention provides a grinding wheel apparatus comprising a grinding wheel (251), a flange (252), a pull rod (253) and a spindle (254). The grinding wheel (251) is mounted on one side of the flange (252), and the other side of the flange (252) is a tapered bucket (2521), the tapered bucket (2521) has a buckle slot (2522), and an end of the pull rod (253) has a T-shaped buckle (2523) through which the pull rod (253) is matched with the buckle slot (2522) of the tapered bucket (2521). The pull rod (253) passes through the spindle (254), and a pull rod head of the pull rod (253) is fixed to one end of the spindle (254), the tapered bucket (2521)is inserted into the spindle (254) from the other end of the spindle (254), and the buckle slot (2522) is engaged with the T-shaped buckle (2523) of the pull rod (253) in the spindle (254) to fix the flange (252) on which the grinding wheel (251) is mounted to the other end of the spindle (254). The present invention further provides a grinding wheel cutting apparatus comprising the grinding wheel apparatus, and a cutting method using the grinding wheel cutting apparatus. The present invention may contributes to improve the efficiency in replacing the grinding wheel, shorten the replacement time, reduce the labor intensity, and eliminate the potential safety hazard.