Punch Magazine With Integrated Wear Testing Mechanism
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Solution Overview
Problem
Existing multiple tools for punching devices are not user-friendly and require complex maintenance due to the gradual wear of punches, necessitating frequent checks of effective punching length without separate tools.
Innovation Solution
Incorporation of a mechanical punching length testing device with a test spring element that allows for quick and easy checking of the effective punching length, using a helical spring or similar elastic element that can be actuated manually to move punches back to their rest position, ensuring precise alignment and easy maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If punches are used repeatedly for punching operations, then productivity is improved, but the effective punching length decreases due to wear
Solution Approach 1:
The patent implements a testing device that allows punches to be inspected for wear before being mounted in the punch magazine. This preliminary checking action prevents worn punches from being installed, ensuring that only punches with sufficient effective length are used, thereby maintaining manufacturing precision while preserving productivity through continuous punch availability.
2Measurement precision
If separate testing tools are used to check punching length, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent integrates the punching length testing function directly into the punch magazine assembly. The testing device is combined with the magazine structure, allowing punches to be tested in situ without requiring separate external testing equipment. This merging of functions maintains measurement precision while reducing overall device complexity and eliminating the need for additional standalone testing tools.
Solution Approach 2:
The punch magazine is designed to serve multiple functions: it stores punches, mounts punches for punching operations, and simultaneously provides a built-in testing mechanism for checking punching length. This multi-functionality eliminates the need for separate dedicated testing devices, reducing device complexity while maintaining the ability to perform accurate measurements.
3Manufacturing precision
If punches are checked frequently for wear, then manufacturing precision is maintained, but loss of time increases
Solution Approach 1:
The testing device enables punches to be checked for wear before mounting in the magazine, allowing operators to identify and replace worn punches in advance. This preliminary inspection prevents the need for frequent interruptions during punching operations to check punch condition, thereby maintaining manufacturing precision while minimizing time loss by ensuring punches are ready for use before mounting.
Solution Approach 2:
The integrated testing mechanism allows operators to perform punch wear checks independently and quickly as part of the normal punch changeover process. The self-contained nature of the testing device within the magazine enables rapid assessment without requiring external equipment or complex procedures, reducing the time required for maintenance activities while ensuring precision is maintained.
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
Facilitates easy and uncomplicated checking of the effective punching length, reducing maintenance complexity and extending the life of punches by allowing for precise alignment and easy identification of wear, thus enhancing user-friendliness and tool longevity.
Implementation Method 1
the test spring element generates a spring force or restoring force which acts on the punch to be tested and moves it back into its rest position
Implementation Method 2
The test spring element is preferably designed as a helical spring
Data Source
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AI summary
The invention relates to a multi-tool for a punching device. The multi-tool comprises a drive unit (10) movable in the punching direction (9) with a drive head (13) for driving the drive unit (10) by the punching device (1) and a drive element (16) connected to the drive head (13). Furthermore, the multi-tool comprises a punch magazine (11) connected to the drive unit (10), the magazine having a guide body (27) and several punches (50) guided in the guide body (27). The punches (50) each have an effective punching length for punching a workpiece (8). The drive element (16) interacts with each of the punches (50) in the punching die to drive it. The multi-tool also includes a mechanical punching length testing device for checking the effective punching length of the punches (50).