Elastic Toolbit Holder for Consistent Engraving on Varying Hardness
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Solution Overview
Problem
Existing marking and engraving devices for machine tools are limited in their ability to consistently mark or engrave on materials with varying hardness and cannot perform complete marking operations on complex shapes like beams and girders, as they lack the necessary adaptability and precision.
Innovation Solution
A device with a standardized cylindrical body and an elastic supporting mechanism, including a helical spring and adjustable cap, allows the toolbit to move axially and maintain consistent engraving depth across different material hardness, enabling precise and automatic marking on any portion of a piece.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a spring-loaded engraving toolholder is used to accommodate surface variations, then the device can handle uneven surfaces, but the mark becomes inconsistent when material hardness varies because the toolbit is driven deeper into softer areas
Solution Approach 1:
The device employs a dynamically adjustable spring mechanism that allows real-time modification of the preload force on the toolbit. This enables the system to adapt to varying material hardness by changing the elastic force, thereby maintaining consistent marking depth across different material conditions while preserving the ability to accommodate surface variations.
Solution Approach 2:
The invention changes the physical parameter of spring preload force to compensate for material hardness variations. By adjusting the spring characteristics or preload, the system modifies the contact force between the toolbit and workpiece, ensuring consistent marking depth regardless of whether the material is softer or harder in different areas.
2Device complexity
If a single marking machine is used for limited engraving operations, then the device structure remains simple, but it cannot perform complete marking operations on complex shapes like beams and girders
Solution Approach 1:
The device achieves multi-functionality by combining a standardized toolholder with an adjustable spring mechanism that can accommodate various toolbits and marking requirements. The universal design allows the same basic structure to perform different marking operations on diverse workpiece geometries including beams, girders, and other complex shapes, eliminating the need for multiple specialized machines.
3Device complexity
If the spring preload is fixed, then the device structure is simpler, but it cannot adapt to different material hardness requiring complex adjustment mechanisms
Solution Approach 1:
The spring mechanism is designed with adjustable characteristics, allowing the preload force to be modified based on material hardness requirements. This dynamic adjustability enables the same device to work effectively on materials ranging from soft to hard without requiring completely different spring components, balancing structural simplicity with adaptability.
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
The device ensures consistent and precise engraving on materials with varying hardness, allowing for automatic marking and engraving on complex shapes, similar to conventional machining operations, with simplified preload adjustment and adaptability to different surfaces.
Implementation Method 1
an elastic supporting means, including a helical spring, which allows the toolbit to move axially
Data Source
AI summary
An engraving and marking device (1), usable in machine tools (18) and the like, includes a supporting member (2) provided with a coupling (3) which is engaged by a spindle of a machine tool (18) and supports a toolbit (4) by means of an elastic support (5,7). The device (1) is adapted to engrave and mark a piece being machined in a fully automatic manner.