Rotary Translational Positioner with Dual Frames for Multi-Point Welding
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Solution Overview
Problem
Existing single-axis rotating positioners are insufficient for complex welding operations requiring multiple angles and positions due to their limited flexibility and applicability, especially in multi-point welding scenarios.
Innovation Solution
A rotary translational positioner with multiple degrees of freedom, featuring a double frame structure and dynamic components that allow for simultaneous adjustment of the main and auxiliary frames, enabling multi-point welding in three-dimensional space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single-axis rotating positioner is used, then the structure is simple, but the flexibility and applicability for complex welding operations is insufficient
Solution Approach 1:
The positioner is divided into multiple independent dynamic structures: a main rotary dynamic structure for overall workpiece rotation and an auxiliary rotary dynamic structure for localized part rotation. Each structure can operate independently, allowing complex welding operations to be broken down into sequential simpler movements, thereby increasing versatility without proportionally increasing overall system complexity
Solution Approach 2:
The auxiliary dynamic structure is nested within the main dynamic structure, with the auxiliary frame positioned inside the main frame. This nested configuration allows the auxiliary rotation mechanism to operate within the workspace defined by the main rotation, maximizing space utilization and enabling complex multi-angle welding operations without requiring a larger overall structure
2Adaptability or versatility
If a single-axis rotating positioner is used, then the device complexity is low, but it cannot meet multi-point welding requirements
Solution Approach 1:
The positioner transitions from a static single-axis rotation to a dynamic multi-degree-of-freedom system where both the main frame and auxiliary frame can rotate independently. This dynamic capability allows the positioner to adapt its configuration in real-time during welding operations, enabling multi-point welding by positioning different parts of the workpiece at optimal angles without requiring multiple separate devices
Solution Approach 2:
The dual dynamic structure serves multiple functions: the main rotary dynamic structure handles overall workpiece orientation while the auxiliary rotary dynamic structure handles localized part positioning. This multi-functionality allows a single device to perform what would traditionally require multiple separate positioning devices, increasing multi-point welding capability while managing complexity through functional integration
3Adaptability or versatility
If the positioner structure is extended to accommodate complex workpieces, then the applicability improves, but the device complexity increases
Solution Approach 1:
The positioner adds a second rotational degree of freedom by introducing the auxiliary dynamic structure, effectively moving from one-dimensional rotation to two-dimensional angular positioning. This dimensional enhancement allows complex three-dimensional workpiece geometries to be accessed from multiple angles without requiring elaborate mechanical extensions, as the combined rotation of main and auxiliary frames can achieve orientations that would otherwise require complex spatial arrangements
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
Enhances welding efficiency and quality by allowing flexible adjustment of workpiece and part positions and angles, accommodating complex workpiece structures and multi-point welding requirements.
Implementation Method 1
The sliding table is movably arranged on the displacement guide rail
Implementation Method 2
the auxiliary rotary dynamic device is arranged at an end of the auxiliary frame to drive the auxiliary frame to rotate
Implementation Method 3
The main rotary positioner and the auxiliary rotary positioner are equipped with a two-stage reducer
Implementation Method 4
the displacement rod is provided with threads in an opposite direction
Data Source
AI summary
A rotary translational positioner with multiple degrees of freedom includes support frames, a main rotary dynamic structure, a main frame, an auxiliary dynamic structure, an auxiliary frame, and a worktable, where the main frame is arranged between the support frames, the main rotary dynamic structure is arranged at the end of the main frame and is located between the main frame and the support frame, the auxiliary frame is arranged in the main frame through the auxiliary dynamic structure, the auxiliary dynamic structure is arranged at the front end and the rear end of the auxiliary frame, and the worktable is arranged on the auxiliary frame. A main and auxiliary double frame structure is adopted, the main frame can adjust the position and angle of the whole welding workpiece, and the auxiliary frame can adjust the position and angle of the welding parts.