Motorized Bobbin Winding Device with Sensor Control
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Solution Overview
Problem
Existing sewing machine bobbin systems are inefficient due to the need for manual rewinding and frequent thread changes, which slows down production, especially in commercial settings, as they lack precise control over thread quantity and require time-consuming thread loading.
Innovation Solution
A high-efficiency bobbin winding device with a motorized system, adjustable mechanism, and sensor-activated thread control allows for precise winding of a selected thread amount, featuring a hinged motor support, adjustment knob, and indicator lights for user-friendly operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual rewinding is used, then device complexity is reduced, but productivity decreases and time loss increases
Solution Approach 1:
The bobbin winding device is designed to automatically wind thread onto the bobbin without requiring manual intervention. The motorized spool rotates automatically, the take-up bobbin winds thread autonomously, and the system self-regulates the winding process, eliminating the need for manual rewinding operations and significantly improving productivity.
Solution Approach 2:
The patent replaces manual mechanical winding operations with an automated motorized system. The motor-driven spool and bobbin mechanism substitutes human hand-winding actions, transforming a manual mechanical process into an automated electromechanical system that increases winding speed and reduces time loss.
2Quantity of substance
If full bobbin winding is used, then thread quantity is maximized, but time loss increases due to over-winding
Solution Approach 1:
The winding device incorporates a sensor that detects when the bobbin has reached the desired thread quantity. This feedback mechanism allows the system to automatically stop winding at the precise moment when the optimal thread amount is achieved, preventing over-winding and reducing unnecessary winding time while ensuring sufficient thread supply.
Solution Approach 2:
Instead of winding the bobbin to complete full capacity, the system implements partial winding that stops at the optimal point. This partial action approach winds exactly the needed amount of thread without exceeding requirements, eliminating time wasted on excessive winding while ensuring adequate thread supply for production needs.
3Adaptability or versatility
If frequent thread changes are required, then adaptability is improved, but productivity decreases
Solution Approach 1:
The device allows users to pre-select and load the desired thread onto the spool before the winding process begins. The spool is prepared in advance with the correct thread color and type, and the system automatically transfers it to the bobbin during winding. This preliminary preparation eliminates downtime associated with thread changes during production, maintaining high productivity while preserving adaptability.
Solution Approach 2:
The winding device is designed to dynamically adapt to different thread types and colors through easy-to-change spool and bobbin components. The system can quickly switch between different thread configurations without requiring complex reconfiguration, enabling frequent thread changes to meet varying production requirements while minimizing interruption to production flow.
4Manufacturing precision
If precise thread control is implemented, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The sensor-based detection system continuously monitors the amount of thread wound on the bobbin and provides real-time feedback to the control mechanism. This feedback loop enables precise control of thread quantity by automatically adjusting the winding process and stopping at the exact desired amount, achieving high manufacturing precision through a relatively simple sensor-triggered control system.
Data Source
AI summary
A high efficiency bobbin winding device with adjustability has a housing that encloses at least one motor and associated circuitry and mechanism that allows a user to selectively wind a bobbin with a selected amount of thread. The motor is mounted on a hinged support that rotates to move the motor which has a shaft that spins the bobbin. An adjustment knob is rotated to selectively move the motor support. A sensor detects the amount of thread wound on the bobbin and stops further winding when the proper amount of thread is wound on the bobbin. The housing also has indicator lights to indicate power and other settings. A spool is placed on a rod and is thread through a guide and a tension adjustment and then on the bobbin where it is wound to a selected level.