Cable Stripping Cutter Head With Adjustable Spiral-Cut Locking
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Solution Overview
Problem
Existing cable stripping tools struggle to efficiently perform circular, longitudinal, and spiral cuts without requiring excessive force, especially with thick cables, and often have designs that hinder operation in confined spaces or limit adjustability.
Innovation Solution
A cable stripping tool with a control disc that allows for predefined angular positioning of the cutting blade relative to the cable's longitudinal axis, featuring positive locking elements and a spring-loaded sensing element to facilitate spiral and longitudinal cuts, and an adjustable blade for varying cable thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the cutting element is allowed to pivot freely to achieve spiral cuts, then cutting versatility is improved, but the space requirement at the head increases
Solution Approach 1:
The cutting element is made dynamically adjustable through a pivoting mechanism that allows it to assume different angular positions (0° for longitudinal cuts, 45° for spiral cuts, 90° for circular cuts). This dynamic repositioning enables multiple cutting patterns without requiring a large fixed space, as the compact pivoting mechanism allows the blade to sweep through different orientations within a confined head area.
2Adaptability or versatility
If the blade is positioned eccentrically to enable pivoting motion, then cutting versatility is improved, but the space requirement at the head increases
Solution Approach 1:
The cutting element is mounted eccentrically to the pivot axis, allowing it to trace different circular paths depending on the pivot angle. This eccentric mounting enables the blade to achieve longitudinal, spiral, and circular cutting patterns through a compact pivoting motion, maintaining versatility while minimizing head space requirements.
3Manufacturing precision
If a positive locking mechanism is used to limit the pivot angle, then cutting precision is improved, but the device complexity increases
Solution Approach 1:
A positive locking mechanism is implemented to secure the cutting element at predetermined angular positions (0°, 45°, 90°). This mechanism provides precise angular positioning for different cutting patterns while maintaining relatively simple construction through the use of detent-style locking elements that engage with corresponding features on the pivot mechanism.
4Productivity
If the cutter head is designed for circular cuts with lever action, then cutting efficiency is improved, but the force required for longitudinal cuts increases
Solution Approach 1:
The cutter head is designed with lever action that provides mechanical advantage for circular cuts, reducing the force required. For longitudinal cuts, the system dynamically adjusts by pivoting the cutting element to a different angular position where the blade orientation facilitates easier penetration and cutting along the cable length, thereby reducing the force requirement for this specific cutting pattern.
Data Source
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AI summary
Cable stripping tool (100) comprising at least: - a housing (10) in which a cutter element (30) is arranged, the cutter element projecting from a housing head (11) of the housing (10) with a cutter head having a cutting edge (31) and rotatably mounted in the housing (10); wherein the cutting edge is arranged eccentrically with respect to the axis of rotation of the cutter element (30; 30'; 30") and is pivotally movable about the axis of rotation; - a cable holding bracket (20) which is slidably mounted in the housing (10) and which extends over the housing head (11) of the housing (10) with the cutter head (31), wherein a cable guide (25) is formed between the cable holding bracket (20) and the housing head (11) which at least partially encompasses the cable (1) to be processed, characterized in that- that the cutter element (30) is fixedly connected to a rotatable control disc (33) and - that a pendulum movement of the pivotally mounted cutter head with the cutting edge (31) relative to the cable passage (25) can be switched between a free pendulum movement enabling longitudinal and circular cuts and a pendulum angle range limited for carrying out a spiral cut via a cutting control unit, wherein the pendulum angle range can be adjusted and/or limited via at least one positive locking element on the housing (10) and on or at the control disc (33), which positive locking elements are to be brought into engagement with each other or into contact with each other.