Bobbin Stocker Layout for Low-Height Winding Machines

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing winding devices require additional space above the device to accommodate the movement of the stocker, leading to an increased height, which is undesirable.

Innovation Solution

The stocker is designed to move linearly between standby and supply positions, positioned on one side of a vertical plane relative to the cradle, avoiding spaces above the device, and equipped with regulatory portions to ensure bobbin transfer without interference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the stocker is moved from standby position to supply position using a rotational mechanism, then the bobbin can be supplied to the cradle, but additional space above the winding device is required, increasing the overall height

Engineering Contradiction:
Improvebobbin supply operationVSAvoidheight of winding device
Core Design Contradiction:
Ease of operationVSLength of stationary object

Solution Approach 1:

The patent changes the movement dimension of the stocker from vertical (rotational arc) to horizontal (linear). The stocker moves linearly along the width direction of the machine between standby and supply positions, eliminating the need for vertical clearance space and reducing overall device height while maintaining bobbin supply functionality

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Length of stationary object

If the stocker is positioned to move linearly between standby and supply positions, then the height of the winding device is reduced, but the stocker must be precisely positioned to avoid interference with other components

Engineering Contradiction:
Improveheight of winding deviceVSAvoidpositioning mechanism complexity
Core Design Contradiction:
Length of stationary objectVSDevice complexity

Solution Approach 1:

The patent divides the winding device into distinct functional zones: the stocker operates in the width direction on one side of the vertical plane, the cradle operates at the release position on the other side, and the package storage unit is positioned separately. This spatial segmentation allows linear movement without complex interference avoidance mechanisms

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces a vertical plane as a spatial reference and separator. The stocker is positioned on one side of this plane while the cradle and package storage unit are on the other side, using the plane as an intermediary to organize component布局 and simplify movement paths

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP4269305B1Winding device
Publication Date: 2026.03.11 TMT MACHINERY INC
  • EP4269305B1 patent drawingFigure 1
  • EP4269305B1 patent drawingFigure 2
  • EP4269305B1 patent drawingFigure 3

AI summary

An object of the present invention is to suppress the increase in height of a winding device. A winding device 21 includes a cradle arm 30, a package storage unit 50 provided on one side of a vertical plane F passing an axial center of a bobbin holder 70 supported by the cradle arm 30 at a release position, a stocker 60 provided on the other side of the vertical plane F, and a movement mechanism 80 configured to move the stocker 60 between a standby position and a supply position. The movement mechanism 80 is configured to move the stocker 60 linearly between the standby position and the supply position.