Double Swivel Carrier with Overlapping Pivoting Ranges
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Solution Overview
Problem
Existing double pivoting carrier machines have a large pivoting radius, making it impractical to build and transport very large machines in one piece due to space requirements.
Innovation Solution
The pivoting ranges of the two pivoting tables overlap, reducing the pivoting radius by arranging the processing-side table within a processing space and the loading-side table within a loading space, with the A-axes positioned asymmetrically or symmetrically to the main axis, and a partition wall separating the processing and loading sides to protect against emissions and retain broken parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the pivoting radius of the double pivoting carrier is made large to accommodate processing and loading sides separately, then the machine can handle workpieces effectively, but the machine becomes too large to be built and transported in one piece
Solution Approach 1:
The patent merges the processing-side swivel table and loading-side swivel table into a compact configuration where their swivel ranges overlap. This allows both tables to share portions of the same spatial envelope, reducing the overall pivoting radius while maintaining separate functional areas through temporal separation of operations.
Solution Approach 2:
The patent implements a movable partition wall that can be positioned in different locations depending on the operational phase. During processing, the partition separates the processing and loading areas; during table interchange, the partition moves to allow both tables access to the loading area. This dynamic reconfiguration enables compact design without compromising functional separation.
2Object-affected harmful factors
If the processing and loading sides are permanently separated by a partition wall, then emissions and broken parts are contained, but the machine complexity increases
Solution Approach 1:
The partition wall is designed as a movable component that can be repositioned between different operational configurations. It can be placed in a position that separates processing and loading areas during normal operation, and moved to allow table interchange. This dynamic behavior provides emission containment when needed while avoiding permanent structural complexity.
Solution Approach 2:
The movable partition wall serves multiple functions: it acts as a barrier during processing, a guide for table movement during interchange, and can be automatically positioned based on operational phase. This multi-functionality reduces the need for additional separate mechanisms, thereby controlling overall system complexity.
Data Source
Figure 1
Figure 2a~2b
Figure 2c~2d
AI summary
In a machine tool (1) for the machining of workpieces (13), in particular by machining, with a double swivel carrier (4) rotatably mounted in a machine frame (2) about a main axis (3), which has two swivel tables (5a, 5b) for receiving workpieces (13), each rotatably mounted about an A-axis (10) parallel to the main axis (3), one swivel table (5a) being provided on a machining side (6) and the other swivel table (5b) being provided on a loading side (7), wherein the machining-side swivel table (5a) and the loading-side swivel table (5b) are interchangeable by pivoting the double swivel carrier (4), the swivel ranges (11a, 11b) of the two swivel tables (5a, 5b) overlap each other according to the invention.