Embedded numerical control rotary table
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Solution Overview
Problem
Numerical control rotary tables with single dimensions are inadequate for handling parts of varying sizes and accuracy requirements, as they cannot efficiently switch between different machining tasks.
Innovation Solution
A nested numerical control rotary table design integrating a large and small rotary table, with a lifting oil cylinder, positioning pins, and guide rails, allowing convenient switching between the two tables to accommodate parts of both large and small dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single numerical control rotary table is used, then the device complexity is reduced, but the adaptability to handle parts of varying sizes is insufficient
Solution Approach 1:
The patent applies nesting by placing a small rotary table inside the large rotary table structure. The small rotary table can be positioned within the large rotary table's support structure, allowing both tables to coexist in a compact configuration. This enables the system to handle both large and small parts using a single machine tool, thereby improving adaptability without proportionally increasing device complexity.
Solution Approach 2:
The patent implements multi-functionality by equipping the machine tool with both a large rotary table and a small rotary table that can be selectively used. The small rotary table serves universal purposes for small parts, while the large rotary table handles larger workpieces. This multi-functional design allows a single device to perform multiple machining tasks that would otherwise require separate machines, improving versatility while maintaining reasonable device complexity.
2Adaptability or versatility
If multiple numerical control rotary tables with different dimensions are used, then the adaptability is improved, but the device complexity and space occupation increase
Solution Approach 1:
The patent applies nesting by placing a small rotary table inside the large rotary table structure. The small rotary table can be positioned within the large rotary table's support structure, allowing both tables to coexist in a compact configuration. This enables the system to handle both large and small parts using a single machine tool, thereby improving adaptability without proportionally increasing device complexity.
3Adaptability or versatility
If multiple numerical control rotary tables with different dimensions are used, then the adaptability is improved, but the loss of time for switching between tables increases
Solution Approach 1:
The patent applies preliminary action by pre-positioning the small rotary table within the large rotary table structure and preparing the switching mechanism in advance. The quick-release positioning pins and clamps are readied for operation, allowing operators to switch between tables by simply actuating the release mechanism rather than performing complex assembly procedures. This reduces switching time and makes the adaptability feature more efficient in practice.
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 nested design enables efficient machining of parts with both large and small dimensions, reducing production costs and improving working efficiency by allowing quick switching between rotary tables.
Implementation Method 1
the lifting oil cylinder lifts the small rotary table along the guide rail through the bracket
Implementation Method 2
the elastic piece is arranged in the positioning pin boss, and the positioning pin head may be inserted into the pin hole in the side surface of the small rotary table board under the push of the elastic piece
Data Source
Figure 1~2
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Figure 5~6
AI summary
The invention provides a nested numerical control rotary table, which comprises a large numerical control rotary table, a small rotary table, a large rotary table board and a small rotary table board nested in the large rotary table board, wherein the small rotary table board may be driven by the large numerical control rotary table as a part of the large rotary table board to run together with the large rotary table board, or be driven by the small rotary table to run independently. When the small rotary table board runs independently, the small rotary table is driven to ascend by a lifting oil cylinder, and a pull pin under the small rotary table board and a positioning pin on the small rotary table fixedly connect the small rotary table board with the small rotary table, which are locked by a clamp. The nested numerical control rotary table may complete the tasks of numerical control rotary tables with both large and small dimensions, which saves the production cost and improves the working efficiency. Moreover, switch between the large rotary table and the small rotary table is convenient, so time is saved.