Pipe Threading Clamp and Reaction Arm for Kickback Control
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Solution Overview
Problem
Existing pipe threading devices lack ergonomic balance, secure clamping mechanisms, and effective kickback control, which affects user control, safety, and operational efficiency.
Innovation Solution
The thread forming system incorporates a power tool with a cutting head that includes an adjustable clamping mechanism, a motor control system that responds to displacement for kickback prevention, and a balanced ergonomic design to enhance user control and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an adjustable clamping mechanism is added to secure workpieces, then workpiece positioning accuracy and operational safety are improved, but device complexity increases
Solution Approach 1:
The clamping mechanism employs a dynamic latch handle that can be moved between positions to adjust the state of the link, enabling the system to transition between clamped and unclamped states. This dynamic adjustment capability allows the mechanism to adapt to different workpiece sizes while maintaining secure positioning during operation.
Solution Approach 2:
The clamping mechanism is divided into distinct functional components: a latch handle for actuation, a link for force transmission, and support brackets for structural support. This segmentation allows each component to perform its specific function efficiently while enabling independent adjustment and maintenance of individual parts.
2Stability of the object's composition
If a latch mechanism with link is used to secure brackets, then relative position stability is improved, but device complexity increases
Solution Approach 1:
The latch mechanism utilizes a movable latch handle that can be positioned in different states to dynamically control the engagement of the link with the support brackets. When the latch handle is moved to the engaged position, the link secures the brackets in a fixed relative position. When disengaged, the brackets can be repositioned. This dynamic control provides stability during operation while allowing adjustment when needed.
Solution Approach 2:
The link serves as an intermediary component between the latch handle and the support brackets. It translates the positional state of the latch handle into the corresponding engagement state of the brackets, providing a mechanical mediation that ensures stable relative positioning when engaged while allowing easy adjustment when disengaged.
3Ease of operation
If ergonomic balance is optimized by positioning components, then user control is improved, but device complexity increases
Solution Approach 1:
The power tool is designed with asymmetric component positioning to optimize the center of gravity location. The battery housing, motor housing, and support device are positioned at specific locations that create an asymmetric distribution of mass, placing the center of gravity at a point that provides ergonomic balance during operation. This asymmetric arrangement improves user control by reducing fatigue and enhancing stability.
Solution Approach 2:
Different components of the power tool are positioned at specific locations to achieve localized quality improvements in ergonomics. The battery housing is positioned to balance the weight distribution, the motor housing is located to optimize power delivery, and the support device is positioned to provide stability. Each component's position is optimized for its specific function while collectively achieving ergonomic balance.
4Productivity
If rapid transition between workpieces is enabled by releasable clamping, then productivity is improved, but reliability may worsen
Solution Approach 1:
The clamping mechanism employs a dynamic latch handle that can be quickly moved between engaged and disengaged positions. When the latch handle is moved to the engaged position, the link securely locks the support brackets in place, ensuring reliable clamping. When disengaged, the mechanism allows rapid removal and replacement of workpieces. This dynamic switching capability enables fast transitions while maintaining secure clamping during operation.
Data Source
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AI summary
A thread forming system (1000), comprising: a power tool (100), including: a tool housing (110); and a cutting head (150) configured to form threads in an elongated piece of stock, the cutting head being configured to receive the piece of stock, and to move axially along a longitudinal axis of the piece of stock to form the threads; and a support device (200), including: a clamping device (230) configured to secure a position of the piece of stock relative to the power tool for the cutting head to form the threads; a reaction arm (260) coupled to the clamping device and configured to abut a retaining portion of the power tool to inhibit rotation of the housing relative to the piece of stock while the cutting head is forming threads; and a biasing device (270) including a biasing arm having a first end portion thereof movably coupled to the clamping device, the biasing device being configured to selectively engage the cutting head so as to bias the cutting head along the longitudinal axis.