Multi-Head Stator Winding Machine Parallel Processing
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Solution Overview
Problem
Conventional machines for wire windings on cylindrical stator cores of electric motors suffer from limited productivity due to moments of inertia, which cannot be significantly increased without overdimensioning, making them commercially uncompetitive, while maintaining precision and safety.
Innovation Solution
A machine with multiple winding heads that can simultaneously perform wire windings on multiple cores, featuring a footing for stabilizing the stator, rotating and translating mechanisms, and adjustable wire guiding tubes to enhance productivity and precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the speed of actuation of the winding head is increased to improve productivity, then productivity increases, but the machine requires overdimensioning due to moments of inertia, making it commercially uncompetitive
Solution Approach 1:
The machine is divided into multiple independent winding heads (at least two) that can operate simultaneously on different cores. Each winding head is a separate actuated unit with its own wire guiding tube and actuation means, allowing parallel processing without requiring a single oversized winding head with excessive moment of inertia.
Solution Approach 2:
The patent transitions from a single winding head operating sequentially on multiple cores to multiple winding heads operating in parallel on multiple cores simultaneously. This dimensional change from 1 to N winding heads enables productivity improvement without increasing the moment of inertia of individual winding heads, avoiding overdimensioning.
2Productivity
If multiple winding heads are used to increase productivity, then productivity increases, but the device complexity increases
Solution Approach 1:
Multiple winding heads share common supporting structures, including the footing, stator supporting means, and wire supply mechanisms. Each winding head is a modular unit that can be replicated, allowing the system to handle multiple cores simultaneously while reusing infrastructure, thereby managing complexity.
Solution Approach 2:
The patent combines multiple winding operations into a single integrated machine structure where multiple winding heads operate on the same stator. The actuation means for different winding heads are coordinated through a unified control system, merging multiple functions into one cohesive device that achieves parallel processing without proportionally increasing overall complexity.
Data Source
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AI summary
Machine for performing wire windings on cores arranged on the internal lateral surface of cylindrical stators for electric motors, comprising: - a footing (2) provided with first supporting means (3) adapted to keep a substantially cylindrical stator (4) in a winding position, in which it is arranged so that its axis is aligned with a substantially vertical main axis (5); - means (6) of moving the stator (4), which comprise means (7) of rotating the stator (4) about its own axis with respect to the footing (2); - second means (8) of supporting at least two winding heads (9) above the footing (2); - means (10) of actuating the at least two winding heads (9) along a first direction (11) that is substantially parallel to the main axis (5) and along a second direction (12) that is substantially perpendicular to the main axis (5), with respect to the second supporting means (8). Each one of the winding heads (9) is provided with a tip (13) that supports a wire guiding tube (15) that can face, with its end for dispensing the wire (16) to be wound, the internal lateral surface of the stator (4) and which can be oriented substantially at right angles to the main axis (5). The at least two winding heads (9) are insertable with their tip (13) into the stator (4) and are actuatable simultaneously in order to simultaneously perform the winding of at least two cores (4a) of the stator (4) which protrude from the internal lateral surface of the stator (4)