Tool Holder Fixing Device with Integral Cams
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Solution Overview
Problem
The operation of tool turrets with existing fixing devices is cumbersome and complex due to the need for adjustment and positioning processes, which complicates the handling and alignment of tool holders on tool disks, especially when small manufacturing tolerances require precise positioning.
Innovation Solution
A fixing device with form-fitting screw connections and fixed positioning surfaces eliminates the need for adjustment devices, ensuring a precise and repeatable connection between tool holders and tool disks without play, using integral fixing cams and depressions that allow for simplified handling and reduced structural complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If adjustment devices and positioning processes are used to achieve precise positioning of tool holders on tool disks, then positioning precision is improved, but device complexity and operational complexity increase
Solution Approach 1:
The fixing cam automatically positions the tool holder on the tool disk through its geometric shape and interaction with the fixing depression. The inclined surface of the fixing cam self-adjusts to engage with the positioning surface of the fixing depression, eliminating the need for separate adjustment devices while maintaining high positioning precision.
Solution Approach 2:
The adjustment and positioning functions are extracted from separate adjustment devices and integrated into the geometric design of the fixing cam and fixing depression. The form-fitting connection between these components inherently provides both positioning and fixing functions without requiring additional adjustment mechanisms.
2Manufacturing precision
If adjustment devices and positioning processes are used to achieve precise positioning of tool holders on tool disks, then positioning precision is improved, but ease of operation deteriorates
Solution Approach 1:
The fixing cam automatically positions the tool holder on the tool disk through its geometric shape and interaction with the fixing depression. The inclined surface of the fixing cam self-adjusts to engage with the positioning surface of the fixing depression, eliminating the need for separate adjustment devices while maintaining high positioning precision.
3Manufacturing precision
If self-adjusting bar bodies with longitudinal slots and projecting fixing cams are used, then positioning precision is improved, but the overall length of fixing bodies and space occupation increase
Solution Approach 1:
The adjustment and positioning functions are extracted from separate adjustment devices and integrated into the geometric design of the fixing cam and fixing depression. The form-fitting connection between these components inherently provides both positioning and fixing functions without requiring additional adjustment mechanisms.
4Manufacturing precision
If self-adjusting bar bodies with longitudinal slots and projecting fixing cams are used, then positioning precision is improved, but handling difficulty increases
Solution Approach 1:
The fixing cam automatically positions the tool holder on the tool disk through its geometric shape and interaction with the fixing depression. The inclined surface of the fixing cam self-adjusts to engage with the positioning surface of the fixing depression, eliminating the need for separate adjustment devices while maintaining high positioning precision.
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
A fixing apparatus for the releasable fixing of at least one functional component, in particular in the form of a tool holder (1), on a further functional component, in particular in the form of a tool disc (3), about at least one fixing axis (5), wherein the two functional components in each case have a bearing surface (7, 9) for bearing mutually against one another, and both one functional component and the other functional component have at least one fixing element (11, 13), is characterized in that, in order to form the fixing elements (13), one functional component has two fixing bodies (19) which are connected in a positionally unchangeable manner to the associated functional component on both sides of the fixing axis (5) and at a spacing from one another, and in that each fixing body (19) forms a fixing surface (25) which extends transversely with respect to the fixing axis (5), which fixing surfaces (25) which can both be placed from the same side against an associated positioning surface (17), which are situated as fixing elements (11) on the other functional component at a spacing from one another.