Tool Holder Adapter Insert for Universal Shank Compatibility
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Solution Overview
Problem
Existing tool holder systems require specific motorized modules for different shank types, leading to high costs and limited flexibility in using tool shanks from various manufacturers.
Innovation Solution
A device with a truncated cone shaped shank and a removable insert that can be configured for different shapes, allowing the shank to fit into various motorized modules without the need for specific modules, using a milling cut and screws with radial grooves for secure attachment and easy handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If specific motorized modules are used for different shank types, then the tool holder system achieves precise engagement and reliability, but the cost increases and flexibility decreases
Solution Approach 1:
The patent implements a universal adapter system where a single motorized module with a standardized housing can accommodate multiple shank types (different manufacturers, different geometries) through interchangeable adapters. The adapter features a standardized engagement interface with the motorized module and a customized interface with the tool shank, enabling one motorized module to perform multiple functions with different tool holders.
Solution Approach 2:
The adapter acts as an intermediary component between the motorized module and the tool shank. It mediates the connection by providing a standardized interface on one side (engaging with the motorized module housing) and a customized interface on the other side (engaging with specific shank types), thus enabling compatibility without modifying the motorized module itself.
2Reliability
If multiple specific motorized modules are purchased for different shank types, then each shank type can be precisely accommodated, but the overall system cost increases
Solution Approach 1:
Instead of purchasing multiple specialized motorized modules, the system uses one universal motorized module that can accept multiple adapters. Each adapter is designed for a specific shank type, allowing a single motorized module to replace what would otherwise require multiple specialized modules, thereby reducing the quantity of expensive motorized components needed.
Solution Approach 2:
The system segments the tool holder into two independent parts: the motorized module (which remains constant) and the adapter (which varies by shank type). This segmentation allows the expensive motorized module to be reused across different tool configurations, while only the cheaper adapters need to be changed or purchased in multiple variants.
3Ease of manufacture
If traditional truncated cone shanks are used without engagement means, then manufacturing simplicity is maintained, but adaptability to different motorized modules is limited
Solution Approach 1:
The adapter is segmented into a standardized engagement portion (with housing and engagement means that match the motorized module) and a customized shank interface portion. This segmentation allows the traditional simple truncated cone shank to be preserved in its basic form while adding the necessary engagement features through the separate adapter component, maintaining manufacturing simplicity for the shank itself.
Solution Approach 2:
The adapter serves as an intermediary that adds engagement means between the simple truncated cone shank and the motorized module. The shank itself remains simple and easy to manufacture, while the adapter provides the complex engagement features needed for compatibility with standardized motorized modules.
Data Source
AI summary
A device for the quick change of tool holder adapters, especially for use on CNC machine tools such as multi-spindle or single-spindle lathes, turning and milling centres, transfer machine tools, for orienting and clamping the different tool holder shanks in the appropriate seats of the rotating and non-rotating shafts present in the mechanical bodies such as motorised or non-motorised tool holders, multiple or single, comprising a tool holder shank of truncated-cone shape designed to fit, starting from its smaller diameter rear part, into a complementary housing made in the rotating shaft of a motorised module. On the smaller diameter rear face of the tool holder shank a milling cut is made configured to accommodate at least one removable insert which protrudes partly frontally in the direction of a recess made on the back wall of the tapered seat of the rotating shaft of the motorized module.