Concave Breakout Claw for Self-Centering Stripping
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Solution Overview
Problem
Existing break-out claws lack flexibility and self-centering capabilities, leading to inefficient penetration and removal of stripping parts, especially when there are inaccuracies in alignment or thickness variations.
Innovation Solution
A break-out claw with a concave plunger holder allows for variable penetration depth and self-centering, facilitated by a convex plunger shape that interacts with the concave receptacle, enabling improved force distribution and increased counterpressure for better alignment and easier extraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a straight tip design is used for the breakout claw, then the structure is simple and easy to manufacture, but the penetration depth is limited and flexibility is reduced
Solution Approach 1:
The patent applies curvature to the tip of the breakout claw, transitioning from a straight tip to a curved tip design. This curvature enables the tip to penetrate deeper into the part being broken out by allowing the claw to angle and adapt to the part geometry, while the curved shape distributes stress more effectively during penetration.
2Adaptability or versatility
If a flat connection between tips is used, then the structure is simple, but the breakout claw lacks self-centering capability and flexibility
Solution Approach 1:
The patent introduces a concave curvature in the connection between the tips of the breakout claw. This concave connection allows the tips to move relative to each other and self-center within the breakout tool during operation, providing adaptability to alignment variations while maintaining structural integrity.
3Adaptability or versatility
If the breakout claw tip is made rigid for stable insertion, then insertion is reliable, but the claw cannot yield to counter-pressure and lacks flexibility
Solution Approach 1:
The patent makes the tip of the breakout claw movable or flexible rather than completely rigid. The tip can yield to counter-pressure applied by the part being broken out, allowing dynamic adaptation during penetration while maintaining sufficient stability for reliable insertion. This dynamic characteristic enables the claw to accommodate thickness variations and alignment inaccuracies.
4Extent of automation
If a hammer-driven insertion method is used, then the process is simple, but automated insertion is not possible and positioning precision is reduced
Solution Approach 1:
The patent designs the breakout claw with a preliminary positioning feature (such as a positioning groove or alignment element) that enables automated insertion machines to accurately position and insert the claw without complex hammer-driven operations. This preliminary action facilitates automated manufacturing while maintaining positioning precision.
Data Source
Figure 1~2
Figure 3
AI summary
The invention relates to a stripping claw for insertion into a stripping tool, which is intended to strip a break-off part from a planar workpiece and comprises at least two tips (6.1, 6.2) to be placed onto the break-off part. According to the invention, the region between the two tips (6.1, 6.2) has a concave design.