Split Tool Holder Structure for Securely Removable Roller Tools
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Solution Overview
Problem
Existing roller tools for soil processing machines face challenges in reliably fixing and easily detaching replaceable tools after prolonged use, leading to potential detachment during operation.
Innovation Solution
A roller tool design featuring two structurally distinct tool holder parts that securely attach to a carrier casing, allowing easy detachment of replaceable tools by inserting them transversely into the tool holder opening, with a replaceable tool holding formation and counter holding formation ensuring stability and a pre-tensioned fit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a replaceable tool is inserted into a tool holder opening and locked by closure elements, then the tool can be securely fixed during operation, but the tool becomes difficult to detach after prolonged use due to dirt accumulation and wear
Solution Approach 1:
The tool holder is divided into two separate parts: a first tool holder part that remains fixed on the carrier casing, and a second tool holder part that can be detached. This segmentation allows the tool to be securely held during operation while enabling easy removal by detaching the second part, resolving the contradiction between secure fixation and ease of detachment.
2Device complexity
If a single tool holder part is used to both attach to the carrier casing and hold the replaceable tool, then the structure is simpler, but the tool cannot be easily detached after prolonged operation
Solution Approach 1:
The tool holder is segmented into a first tool holder part for permanent attachment to the carrier casing and a second tool holder part for temporary holding of the replaceable tool. This segmentation increases structural complexity slightly but dramatically improves ease of operation by allowing the second part to be removed for tool replacement.
Solution Approach 2:
The second tool holder part is extracted as a separate, detachable component from the first tool holder part. This extraction allows the tool-holding function to be separated from the carrier-attachment function, enabling easy tool removal while maintaining secure fixation during operation.
3Ease of operation
If the tool holder opening is completely open for easy tool insertion, then tool replacement is simple, but dirt and contaminants can penetrate into the tool holder
Solution Approach 1:
The second tool holder part is positioned to cover and close the tool holder opening before the tool insertion process begins. This preliminary closing action prevents dirt and contaminants from penetrating into the tool holder while still allowing tool insertion and removal through the controlled opening provided by the second part.
Data Source
AI summary
A roller tool for a soil processing roller of a soil processing machine incudes a tool holder to be fixed on an outer peripheral side of a carrier casing. The tool holder has an attachment region for fixed attachment on an outer peripheral surface of the carrier casing and a tool holder opening elongated in the direction of an opening longitudinal axis for accommodating a replaceable tool shaft of a replaceable tool to be detachably fixed on the tool holder. The tool holder includes a first tool holder part, wherein the attachment region is provided completely on the first tool holder part, and a second tool holder part to be detachably attached to the first tool holder part. The second tool holder part, together with the first tool holder part, delimits the tool holder opening in the circumferential direction around the opening longitudinal axis.