Ram-Driven Drilling Tool Head for Turret Punch Base Stations
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Solution Overview
Problem
Drilling tools for punch devices, particularly turret punch devices, lack flexibility and efficiency due to the need for additional drive components and limited operation on base stations without rotational drives.
Innovation Solution
A drilling tool configured with a tool shank and tool head that transmits rotational movement via a ram engagement portion, allowing operation on base stations without additional drive components, and featuring a lubricating device and transmission elements for precise machining, enabling operation on both base and indexing stations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a drilling tool is designed to operate on indexing stations with dedicated tool drives, then it can achieve precise rotational control and machining accuracy, but it cannot be operated on base stations which lack drive components
Solution Approach 1:
The drilling tool is designed with a universal interface that accepts both indexed tool drives and direct ram-driven operation. The tool head incorporates a standardized mounting interface that can accommodate either a dedicated tool drive mechanism or direct coupling to the ram, allowing the same tool to function on both indexing stations and base stations without modification.
Solution Approach 2:
The invention extracts the rotational drive function from a dedicated tool drive mechanism and transfers it to the ram itself. By equipping the ram with a drive mechanism that can directly engage the tool head, the patent eliminates the need for separate tool drive components when operating on base stations, while maintaining the capability to use indexed tool drives when available.
2Adaptability or versatility
If additional drive components are added to enable drilling tool operation on base stations, then operational flexibility improves, but device complexity and cost increase
Solution Approach 1:
The invention merges the drive function into the ram structure itself. The ram is equipped with a drive mechanism that can directly engage the tool head, combining the punching and rotational driving functions into a single integrated system. This eliminates the need for separate tool drive components while enabling base station operation.
Solution Approach 2:
The tool head serves as an intermediary component that mediates between the ram and the drilling means. It incorporates a standardized interface that can accommodate either a dedicated tool drive or direct ram coupling, and provides the necessary rotational motion transmission to the drilling means regardless of the drive source.
3Productivity
If the drilling tool uses a standardized interface for tool change, then tool change speed improves, but the interface geometry becomes fixed and limits design flexibility
Solution Approach 1:
The invention applies different interface geometries to different operational contexts while maintaining a standardized mounting interface. The tool head incorporates a universal mounting interface for rapid tool changes, while the drive engagement interface can be customized depending on whether the application requires indexed tool drive compatibility or direct ram-driven operation. This allows optimization of each interface for its specific function.
Data Source
AI summary
A drilling tool for a punch device, in particular for a turret punch device, comprises a housing, a tool shank arranged in the housing with a drilling means accommodated therein and a tool head arranged on the tool shaft to interact with the punch device. The tool head of the drilling tool has a ram engagement portion configured to transmit a rotational movement about a tool longitudinal axis from an external drive to the tool head.