Hand Crimp Tool Linear Guide Rail Alignment
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Solution Overview
Problem
Existing hand crimp tools require frequent maintenance and lack the ability to fine-tune the distance between crimping dies, leading to potential misalignment and reduced precision in crimping operations.
Innovation Solution
A hand crimp tool with a crimping frame featuring parallel guide rails and lever handles that allow for linear movement of the die carrier, eliminating rotational components and enabling precise alignment and adjustment of crimping dies, reducing maintenance needs and allowing for easy testing of mass production crimping dies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a lever-pivot mechanism is used to enable manual operation, then the tool can be operated manually with lever handles, but rotational movements of the crimping dies cannot be fully avoided, requiring frequent maintenance to maintain precise alignment
Solution Approach 1:
The patent extracts the rotational pivot mechanism from the system and replaces it with a linear guide rail mechanism. The crimping dies are constrained to move only in a linear direction along the guide rails, eliminating unwanted rotational movements while preserving manual operability through lever handles.
Solution Approach 2:
The tool is segmented into distinct functional components: lever handles for operation, a linear guide rail system for precise movement control, and a die carrier for holding the crimping dies. This segmentation allows each component to perform its specific function without interfering with the precision requirements of other components.
2Device complexity
If the distance between crimping dies is fixed, then the structure is simple, but the tool cannot adapt to crimping portions of different thicknesses or enable fine-tuning for precise alignment
Solution Approach 1:
The patent implements a dynamic adjustment mechanism that allows the distance between crimping dies to be varied. A adjustment member with a polygonal cross-section can be rotated to different positions, each position corresponding to a specific distance setting. This provides both adaptability for different crimping requirements and a relatively simple structure based on discrete positions.
3Adaptability or versatility
If automated crimping tools with pre-adjustment mechanisms are used, then crimping portions of different thicknesses can be accommodated, but the mechanism is complex and cannot provide continuous fine-tuning of the distance
Solution Approach 1:
The adjustment mechanism uses a polygonal member that can be rotated to different discrete positions. Each position provides a pre-set distance between crimping dies. While not continuously adjustable, this provides a simplified version of pre-adjustment capability with fewer components than fully automated systems.
Data Source
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AI summary
The invention relates to an hand crimp tool for crimping electrical contact terminals onto electrical cables. This hand crimp tool comprises a crimping frame with two substantially parallel guide rails, and the lever handles configured to be manually operated. The hand crimp tool further comprises a first crimping die and a corresponding second crimping die, at least one of which being mounted to a die carrier. The guide rails are substantially bar-shaped and oriented in a common longitudinal direction. The die carrier is configured to slide in a linear direction parallel to the longitudinal direction of the guide rails, along inner opposite faces of the guide rails, thereby being guided from a cable receiving position to a crimping position.