Sliding Crimping Tool Head for Easy Die Exchange
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Solution Overview
Problem
Hand-operated crimping tools lack efficient mechanisms for connecting and disconnecting crimping dies, particularly in designs with closed heads, which complicates the crimping process and limits user convenience.
Innovation Solution
A hand-operated crimping tool with a tool head that is axially slidable along a tool body, connected to handle movement via a toggle or cam mechanism, allowing for easy transition between open and closed positions, and featuring a pivotable head part that automatically moves between crimping and non-crimping positions based on handle alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a closed head design is used in hand-operated crimping tools, then the structural integrity and crimping force are improved, but the complexity of connecting and disconnecting crimping dies increases
Solution Approach 1:
The tool head is designed to be movable relative to the tool body along the longitudinal axis, transitioning between a closed position during crimping and an open position for die exchange. This dynamic configuration allows the head to provide structural integrity during operation while enabling easy access for maintenance and die replacement, resolving the contradiction between strength and complexity.
2Force
If a toggle mechanism is used to connect handle movement to tool head movement, then the mechanical advantage and crimping force are improved, but the device complexity increases
Solution Approach 1:
The toggle mechanism is integrated into the movable head assembly, which itself moves relative to the body. This dynamic integration allows the toggle to provide mechanical advantage during crimping while the entire assembly can be opened for maintenance, balancing force multiplication with operational simplicity.
3Ease of operation
If the tool head is made axially slidable along the tool body, then the ease of operation for die exchange is improved, but the device complexity increases
Solution Approach 1:
The tool head is designed to slide axially along the tool body between a closed position for crimping and an open position for die exchange. This simple linear movement provides ease of operation for maintenance while avoiding complex mechanisms, resolving the contradiction between operational ease and structural complexity.
4Adaptability or versatility
If a pivotable head part is used, then the adaptability for different crimping positions is improved, but the device complexity increases
Solution Approach 1:
The head part is designed to pivot relative to the tool body, enabling adaptation to different crimping positions and orientations. This dynamic pivoting capability provides versatility for various applications while maintaining a relatively simple structural implementation, resolving the contradiction between adaptability and complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances user convenience by simplifying the crimping process, allowing for efficient crimping and disconnection of dies, and reduces user effort due to improved mechanical alignment and reduced tool weight.
Implementation Method 1
the movement of at least one tool handle arranged connected to the movement of the tool head by a mechanism, wherein preferably the mechanism arranged to connect the movement of the handles to the movement of the tool head is a toggle mechanism
Implementation Method 2
wherein preferably the mechanism arranged to connect the movement of the handles to the movement of the tool head is a cam mechanism
Implementation Method 3
the tool head is arranged slidably attached to the body using at least one pin arranged to slide in at least one slot extending axially along the tool
Data Source
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AI summary
The invention relates a hand operated crimping tool (2) comprising a body (6) arranged between a distal end (1) and a proximal end (3) of the crimping tool (2), a tool head (4) arranged distally (1) on the crimping tool (2), and handles (8, 10) arranged proximally (3) on the crimping tool (2), where at least one handle (8, 10) is arranged pivotally to the body (6), where the tool head (4) is arranged axially (A) slidable along the body (6), that a distal crimping die (44) is arranged at the tool head (4) and a proximal crimping die (42) is arranged at the body between which crimping dies (42, 44) a workpiece (43) is to be crimped, and in that the movement of the at least one pivotally to the body (6) arranged handle (8, 10) is arranged connected to the movement of the tool head (4) by a mechanism (31), whereby the tool head (4) is arranged movable between a distal non-crimping position and a proximal crimping position depending on the relative position of the tool handles (8, 10).