C-Shaped Rotating Work Holding Device for Cutting Tools
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Solution Overview
Problem
Conventional work holding devices require the detachment of components for holding and recovering the work, which can lead to loss and operational difficulties due to the need to rotate cap members, causing potential contact with other parts and making the process cumbersome.
Innovation Solution
A work holding device with a C-shaped first frame and a C-shaped second frame, where the second frame is rotatable around a center axis perpendicular to the first frame, allowing the work to be held and recovered without detaching any components, using a groove for inserting the work's edge and screws to adjust the holding area for secure placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cap member is detached from the base member to hold or recover the work, then the work can be held or recovered, but the cap member may be lost during operation and the process becomes cumbersome
Solution Approach 1:
The cap member and base member are merged into a single integrated frame structure with C-shaped cross-section. This eliminates the need to detach components for work holding and recovery operations, preventing loss of the cap member while maintaining operational ease.
Solution Approach 2:
The frame is segmented into a C-shaped cross-section with opening and closing portions, allowing the work to be inserted and held securely without requiring complete detachment of components. The segmentation enables functional separation while maintaining structural integrity.
2Ease of operation
If the cap member is rotated to hold the work, then the work can be secured, but the operator's finger is likely to contact the frame making the operation difficult
Solution Approach 1:
Instead of rotating a cap member to secure the work, the invention uses a C-shaped frame where the work is inserted through the opening and secured by the frame's structure itself. This inverted approach eliminates the rotation motion that causes finger contact issues while maintaining secure work holding.
Solution Approach 2:
The problematic rotation operation is extracted and replaced with a simpler insertion and securing operation. The C-shaped frame structure provides the securing function without requiring rotational motion, thereby eliminating the finger contact hazard.
3Adaptability or versatility
If the cap member is detached and placed outside the cutting device, then the work can be held, but there is an undesirable possibility that the cap member is lost
Solution Approach 1:
The cap member and base member are merged into a single integrated frame that remains permanently mounted on the cutting device. This eliminates the need to place components outside the device, thereby preventing loss while maintaining full work holding capability.
Solution Approach 2:
The integrated C-shaped frame performs multiple functions: it provides structural support, enables work insertion through its opening, and secures the work without requiring detachment. This multi-functionality eliminates the need to move components outside the device.
Data Source
AI summary
A work holding device includes a substantially C-shaped first frame that includes a first end and a second end and is rotatable about a first center axis that is located therebetween, and a substantially C-shaped second frame that includes a third end located between the first end and the first center axis and a fourth end located between the second end and the first center axis, the second frame being rotatable about a second center axis that passes the third end and the second end and is perpendicular or substantially perpendicular to the first center axis. A groove into which an edge of a work is insertable is provided in the second frame.