Interchangeable Tool Holder System for Soil Tilling
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Solution Overview
Problem
Interchangeable tool holder systems in soil tilling machines face high wear and replacement challenges due to high loads and tribocorrosion, making it difficult to maintain and replace tools efficiently.
Innovation Solution
The design of an interchangeable tool holder system with a base part and a tool holder that includes a bearing body and a base grip, which securely engages with a supporting projection on the base part, allowing for easy insertion and rotation to lock the tool holder in place, reducing wear and facilitating tool replacement without disassembling the base part from the roller body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If conventional interchangeable holder systems are used, then tool replacement is possible without disassembling the base part, but the system suffers from high wear and reduced resistance under high loads
Solution Approach 1:
The holder is divided into modular components: a base grip element that engages with the base part and a separate tool-holding element. This segmentation allows the tool holder to be quickly replaced as a module while the base part remains intact, maintaining ease of repair. The segmented design also distributes mechanical loads across different engagement points, improving overall system reliability under high loads.
Solution Approach 2:
The base grip element is inserted into a receptacle in the base part, with the tool-holding element then inserted into the base grip element. This nested arrangement creates multiple levels of engagement and support, enhancing the system's resistance to high loads while preserving the quick-replacement capability. The nested structure allows force distribution across multiple contact surfaces.
2Reliability
If the tool holder is securely locked in place to resist high loads, then system resistance improves, but the complexity of insertion and locking mechanisms increases
Solution Approach 1:
The base grip element features a dynamic insertion process where it is pushed into the receptacle and automatically locks through a simple engagement mechanism. The locking action occurs naturally during the insertion motion itself, eliminating the need for separate locking steps. This dynamic approach maintains high system resistance while keeping the mechanism simple and intuitive.
Solution Approach 2:
The base grip element is designed to self-lock upon insertion into the receptacle through its geometric configuration. The engagement surfaces are shaped such that insertion automatically creates a locked position without requiring additional locking components or actions. This self-service mechanism reduces complexity while ensuring reliable locking under high loads.
Data Source
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AI summary
The invention relates to an interchangeable tool holder system (100) comprising a base part (110) with an interchangeable tool holder receptacle (114) and an interchangeable tool holder (120) designed for insertion into the interchangeable tool holder receptacle (114) with a chisel receptacle (121).