Textile Machine Actuator Cooling Circuit Design
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Solution Overview
Problem
Textile machines with numerous pattern-controlled actuators face inefficiencies in cooling, particularly with air-cooled systems which are less effective and prone to dust contamination, and water-cooled systems which are cumbersome and hazardous to maintain due to the risk of cooling circuit interruptions.
Innovation Solution
A device with pattern-controlled components for textile machines featuring a cooling circuit that allows actuators to be installed outside the cooling loop, enabling detachable and safe replacement, with a modular design incorporating thermally conductive elements for efficient heat transfer and compact integration of the cooling circuit within a mounting frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If air cooling is used for actuators, then the cooling system is simple and easy to implement, but the cooling efficiency is insufficient and dust contamination occurs
Solution Approach 1:
The patent applies hydraulic cooling by circulating cooling liquid through channels formed in the mounting frame and actuator housing. This replaces air cooling with liquid cooling, achieving superior heat dissipation efficiency while maintaining system simplicity through integrated cooling channels that require no additional external cooling components.
2Reliability
If water cooling is used for actuators, then the cooling efficiency is improved, but the maintenance becomes cumbersome and hazardous due to cooling circuit interruptions
Solution Approach 1:
The patent segments the actuator assembly from the cooling circuit by designing the cooling channels as integrated features of the mounting frame and actuator housing rather than as separate connected components. This segmentation allows actuators to be detached and replaced without interrupting or draining the cooling liquid from the fixed mounting frame channels.
Solution Approach 2:
The mounting frame serves as an intermediary structure that houses the cooling liquid channels and provides mounting surfaces for actuators. This intermediary design decouples the cooling circuit from the actuators, allowing actuators to be replaced without affecting the cooling system operation.
3Reliability
If actuators are installed inside the cooling circuit, then the heat transfer is efficient, but the actuator replacement requires cooling circuit interruption
Solution Approach 1:
The patent implements a nested structure where actuators are mounted on the external surfaces of the mounting frame that contains the cooling channels. The actuators are positioned in close proximity to the cooling channels without being installed inside them, maintaining efficient heat transfer through thermal conduction while allowing independent access for replacement.
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
This solution provides efficient, dust-free cooling that reduces the burden of actuator replacement, enhances operational safety, and allows for more precise temperature control, improving the performance and reliability of the actuators and connected components.
Implementation Method 1
a cooling circuit through which cooling liquid is flowable for the cooling of the actuators
Data Source
AI summary
A device (1) equipped with pattern-controlled components (2) for pattern-controlled feeding and/or selection of yarn for a textile machine, comprising a plurality of actuators (4) and a cooling circuit (5, 8) through which coolant is flowable for the cooling of the actuators (4), whereby the actuators (4) in the device (1) are installed alongside the cooling circuit (5, 8) and are mountable so as to be detachable so that the actuators can be removed without interrupting the cooling circuit (5, 8). Furthermore, a textile machine comprising such a device (1).